AMD Ryzen 9 3900X 12 Core Socket AM4 3.8GHz CPU Processor
Higher speeds. More memory. Wider bandwidth. You must push every lever, squeeze every ounce, and leave nothing on the table. AMD's Ryzen 9 processor was designed to break expectations and set a new standard for high-performance processors. The AMD Ryzen 9 processor is built using advanced manufacturing technology to deliver winning performance while keeping your system astonishingly cool & quiet. Ryzen 9 processors feature support for the PCIe 4.0 ready platform, enabling the most advanced motherboards, graphics, and storage technologies available.
Higher speeds. More memory. Wider bandwidth. You must push every lever, squeeze every ounce, and leave nothing on the table. AMD's Ryzen 9 processor was designed to break expectations and set a new standard for high-performance processors. The AMD Ryzen 9 processor is built using advanced manufacturing technology to deliver winning performance while keeping your system astonishingly cool & quiet. Ryzen 9 processors feature support for the PCIe 4.0 ready platform, enabling the most advanced motherboards, graphics, and storage technologies available.
Higher speeds. More memory. Wider bandwidth. You must push every lever, squeeze every ounce, and leave nothing on the table. AMD's Ryzen 9 processor was designed to break expectations and set a new standard for high-performance processors. The AMD Ryzen 9 processor is built using advanced manufacturing technology to deliver winning performance while keeping your system astonishingly cool & quiet. Ryzen 9 processors feature support for the PCIe 4.0 ready platform, enabling the most advanced motherboards, graphics, and storage technologies available.
Higher speeds. More memory. Wider bandwidth. You must push every lever, squeeze every ounce, and leave nothing on the table. AMD's Ryzen 9 processor was designed to break expectations and set a new standard for high-performance processors. The AMD Ryzen 9 processor is built using advanced manufacturing technology to deliver winning performance while keeping your system astonishingly cool & quiet. Ryzen 9 processors feature support for the PCIe 4.0 ready platform, enabling the most advanced motherboards, graphics, and storage technologies available.
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The lowest price for AMD Ryzen 9 3900X 12 Core Socket AM4 3.8GHz CPU Processor right now is $240.00 at CeX, compared across 7 retailers.
The all-time low was $103.00 on 3 June 2026 — today's price is 133% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 6 June 2026.
Last updated at 06/06/2026 16:24:44
AMD Ryzen 9 3900X (12C/24T @ 3.8GHz) AM4
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Amd Ryzen R9 3900x 3.8ghz 12c 24t 64mb Desktop Am4 Cpu Processor R9
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Amd Ryzen 9 3900x Socket Am4 Cpu Processor 3.8 Ghz 12 Cores 24t 64mb
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AMD Ryzen 9 3900x R9 3900X AM4 CPU Processor 3.8GHz 12C 24T 64MB Desktop
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Amd Ryzen 9 3900x Processor (3.8 Ghz, 12 Cores, Socket Am4) -
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Amd Ryzen 9 3900x Processor (3.8 Ghz, 12 Cores, Socket Am4) -
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originally posted on microcenter.com
I have been waiting a long time for AMD to step up their desktop CPU’s and at last my wait is over. As a computer enthusiast my PC builds can be somewhat heavy handed, and with this Ryzen 9 3900X my current build is over the top. This 3900x chip is literally a Beast, a twelve cored 24 threaded Beast. I am a technical consultant that works from home and I built this system for both business and pleasure. By day my system is triple monitor, dual rad water cooled, 32 gigs, 4.4Ghz over clocked leviathan that powers through my daily research, graphic manipulations, multi app’d work requirements without missing a beat. The multi-core power of the 3900x lives up to the proverbial hype. I’m able to skype with clients, share what I’m working on, research the web and ... MoreI have been waiting a long time for AMD to step up their desktop CPU’s and at last my wait is over. As a computer enthusiast my PC builds can be somewhat heavy handed, and with this Ryzen 9 3900X my current build is over the top. This 3900x chip is literally a Beast, a twelve cored 24 threaded Beast. I am a technical consultant that works from home and I built this system for both business and pleasure. By day my system is triple monitor, dual rad water cooled, 32 gigs, 4.4Ghz over clocked leviathan that powers through my daily research, graphic manipulations, multi app’d work requirements without missing a beat. The multi-core power of the 3900x lives up to the proverbial hype. I’m able to skype with clients, share what I’m working on, research the web and creating/manipulate images in real time with my clients – without a hiccup across all three monitors. By night I bath in the soft glow of RBG as I use AMD Eyefinity to merge my monitors into one for epic gaming glitz. Even though MWO prefers Nvidia cards, my 5700xt with this 3900x powers through games with a silky-smooth frame rate. I knew the 3900X would improve my game play, but I didn’t expect it to be a difference like day and night. I now have a smooth stutter free 105+ frame rate that just takes my game play in MWO to an unbelievable level. I yield. The AMD Ryzen 9 3900x finally provides computer builders, beginners and enthusiast alike, the ability to build affordable high-end “Gaming-Workstations” (yes, I said Gaming-Workstations) without having to compromise performance for pleasure.
originally posted on microcenter.com
My system being quite a few years old didn't yet have the bios support for 5th gen Ryzen CPUs so I went ahead and upgraded my 2400g to the 3900x, almost the best CPU my system could support. The 3900x absolutely blows that 2nd gen Ryzen chip out of the water. Code compiles almost instantly, I am capable of multitasking even more than before, and I have even noticed a sizeable improvement in game performance. Even though 3rd gen Ryzen is a few generations old now, it is still worth every dollar to pick one up.
originally posted on microcenter.com
Six years ago I built a lean, mean gaming machine, aiming for the golden ratio of price/performance. At its heart, the Intel i5-3570K. This marked my first time with Intel, and my first time liquid cooling. I managed to overclock her all the way up to 4.4Ghz, with rock solid stability, proved out through long hours of Prime95's torture test. This PC served me well all these years, holding up to anything I threw at it. Until recently. I've noticed some newer titles have been less than stable, resulting in more and more hard crashes. Then Microsoft released Flight Simulator 2020, and I knew the end had come. I was running a generation behind the minimum system requirements. Not only does it take a dreadfully long time just to load the main menu, but it takes even ... MoreSix years ago I built a lean, mean gaming machine, aiming for the golden ratio of price/performance. At its heart, the Intel i5-3570K. This marked my first time with Intel, and my first time liquid cooling. I managed to overclock her all the way up to 4.4Ghz, with rock solid stability, proved out through long hours of Prime95's torture test. This PC served me well all these years, holding up to anything I threw at it. Until recently. I've noticed some newer titles have been less than stable, resulting in more and more hard crashes. Then Microsoft released Flight Simulator 2020, and I knew the end had come. I was running a generation behind the minimum system requirements. Not only does it take a dreadfully long time just to load the main menu, but it takes even longer to launch a flight. Then, once the map loads, you must endure five minutes of severe and grotesque stuttering before the game smoothes out and you can even think of attempting takeoff. I knew from reviews my 16GB of system ram was perfectly adequate to run this title. Also, I was running a fresh OS, as I had formatted and reinstalled Windows 10 just a few weeks prior. So my first thought was “Graphics Card”. I hopped online and found a used GTX 1080 to replace my old GTX 970. Nope. That did nothing for the five minute stutter fest at the beginning of each flight. And it did nothing for the occasional system crash the game would cause. And so, the fates forced me to come to terms with the inevitable: It was time to build a new PC. AMD Ryzen 9 3900x MSI MPG X570 Gaming Edge WiFi motherboard 32GB (2x 16GB) G.Skill TridentZ Neo DDR4 3600Mhz Corsair H115i nVidia GTX 1080 (RTX 3080 coming SOON) 500GB PCIe Gen4 NVMe system drive 2TB PCIe Gen3 NVMe game drive 2TB Seagate Barracuda HDD (to accompany another 2x 2TB WD Black HDDs and 1x 500GB Samsung SATA SSD from my previous build. Yes, I love storage.) Corsair RM850x power supply Corsair Obsidian Series 750D Airflow full tower case The AMD Ryzen 3900x is a 12 core, 24 thread processor, compared to the 4 core 4 thread 3570K. It possesses 70MB of cache, whereas the i5 only has 6MB. What does all that mean? I didn’t exactly know. I grew up in the 1990s, where processors were measured in clockspeed, not cores and threads. Megahertz for megahertz, my old CPU is the faster creature. While Ryzen can reach 4.6Ghz, it will only ever do so very briefly, and only on one or two cores. Usually it will stay around 4.1Ghz under load. Looking at my i5, overclocked to 4.4Ghz, always and forever, I had mixed feelings about this upgrade. Until I loaded Flight Simulator 2020. The first thing I noticed is how fast the main menu came up. It’s not instantaneous, as FS2020 is a monster app, but it’s a fraction of the time it once took. Then, once the flight loads, it’s ready for you… immediately. Gone is the five minutes of choppy, stuttering, potentially system-crashing horror. At worst, there’s a slight hiccup at start, then it’s smooth sailing. Or… as smooth as you can expect with a GTX 1080. Which is smoother than you might think. On high settings, 4k resolution, and 80% rendering, I get an eminently playable 35fps. Which might sound low, but for a slow-paced game like a flight sim, such frame-rate feels remarkably fluid. I would have bet money I was in the upper 40s until I checked. The new build won’t be complete until I install the new nVidia RTX 3080, but this is the perfect foundation for such a mighty setup. The Ryzen is indeed a huge leap over my last machine, and I have nothing but praise for its performance. I will not be running out to get the Ryzen 5000 series on opening day. This 3900X shall keep me sated for quite some time. It’s a beast of a processor. Pinky_Powers
| General | |
| Product Type | Processor |
| Processor | |
| Type / Form Factor | AMD Ryzen 9 3900X |
| Number of Cores | 12-core |
AMD Ryzen 9 3900X (12C/24T @ 3.8GHz) AM4
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Amd Ryzen R9 3900x 3.8ghz 12c 24t 64mb Desktop Am4 Cpu Processor R9
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Amd Ryzen 9 3900x Desktop Cpu Processor Am4 R9 12 Cores 105w Tdp
Delivery $9.20
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Amd Ryzen 9 3900x Socket Am4 Cpu Processor 3.8 Ghz 12 Cores 24t 64mb
Delivery $4.68
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Amd Ryzen R9 3900x 3.8ghz 12c 24t 64mb R9 3900x Desktop Am4 Cpu
Delivery $12.48
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I have been waiting a long time for AMD to step up their desktop CPU’s and at last my wait is over. As a computer enthusiast my PC builds can be somewhat heavy handed, and with this Ryzen 9 3900X my current build is over the top. This 3900x chip is literally a Beast, a twelve cored 24 threaded Beast. I am a technical consultant that works from home and I built this system for both business and pleasure. By day my system is triple monitor, dual rad water cooled, 32 gigs, 4.4Ghz over clocked leviathan that powers through my daily research, graphic manipulations, multi app’d work requirements without missing a beat. The multi-core power of the 3900x lives up to the proverbial hype. I’m able to skype with clients, share what I’m working on, research the web and ... MoreI have been waiting a long time for AMD to step up their desktop CPU’s and at last my wait is over. As a computer enthusiast my PC builds can be somewhat heavy handed, and with this Ryzen 9 3900X my current build is over the top. This 3900x chip is literally a Beast, a twelve cored 24 threaded Beast. I am a technical consultant that works from home and I built this system for both business and pleasure. By day my system is triple monitor, dual rad water cooled, 32 gigs, 4.4Ghz over clocked leviathan that powers through my daily research, graphic manipulations, multi app’d work requirements without missing a beat. The multi-core power of the 3900x lives up to the proverbial hype. I’m able to skype with clients, share what I’m working on, research the web and creating/manipulate images in real time with my clients – without a hiccup across all three monitors. By night I bath in the soft glow of RBG as I use AMD Eyefinity to merge my monitors into one for epic gaming glitz. Even though MWO prefers Nvidia cards, my 5700xt with this 3900x powers through games with a silky-smooth frame rate. I knew the 3900X would improve my game play, but I didn’t expect it to be a difference like day and night. I now have a smooth stutter free 105+ frame rate that just takes my game play in MWO to an unbelievable level. I yield. The AMD Ryzen 9 3900x finally provides computer builders, beginners and enthusiast alike, the ability to build affordable high-end “Gaming-Workstations” (yes, I said Gaming-Workstations) without having to compromise performance for pleasure.
My system being quite a few years old didn't yet have the bios support for 5th gen Ryzen CPUs so I went ahead and upgraded my 2400g to the 3900x, almost the best CPU my system could support. The 3900x absolutely blows that 2nd gen Ryzen chip out of the water. Code compiles almost instantly, I am capable of multitasking even more than before, and I have even noticed a sizeable improvement in game performance. Even though 3rd gen Ryzen is a few generations old now, it is still worth every dollar to pick one up.
Six years ago I built a lean, mean gaming machine, aiming for the golden ratio of price/performance. At its heart, the Intel i5-3570K. This marked my first time with Intel, and my first time liquid cooling. I managed to overclock her all the way up to 4.4Ghz, with rock solid stability, proved out through long hours of Prime95's torture test. This PC served me well all these years, holding up to anything I threw at it. Until recently. I've noticed some newer titles have been less than stable, resulting in more and more hard crashes. Then Microsoft released Flight Simulator 2020, and I knew the end had come. I was running a generation behind the minimum system requirements. Not only does it take a dreadfully long time just to load the main menu, but it takes even ... MoreSix years ago I built a lean, mean gaming machine, aiming for the golden ratio of price/performance. At its heart, the Intel i5-3570K. This marked my first time with Intel, and my first time liquid cooling. I managed to overclock her all the way up to 4.4Ghz, with rock solid stability, proved out through long hours of Prime95's torture test. This PC served me well all these years, holding up to anything I threw at it. Until recently. I've noticed some newer titles have been less than stable, resulting in more and more hard crashes. Then Microsoft released Flight Simulator 2020, and I knew the end had come. I was running a generation behind the minimum system requirements. Not only does it take a dreadfully long time just to load the main menu, but it takes even longer to launch a flight. Then, once the map loads, you must endure five minutes of severe and grotesque stuttering before the game smoothes out and you can even think of attempting takeoff. I knew from reviews my 16GB of system ram was perfectly adequate to run this title. Also, I was running a fresh OS, as I had formatted and reinstalled Windows 10 just a few weeks prior. So my first thought was “Graphics Card”. I hopped online and found a used GTX 1080 to replace my old GTX 970. Nope. That did nothing for the five minute stutter fest at the beginning of each flight. And it did nothing for the occasional system crash the game would cause. And so, the fates forced me to come to terms with the inevitable: It was time to build a new PC. AMD Ryzen 9 3900x MSI MPG X570 Gaming Edge WiFi motherboard 32GB (2x 16GB) G.Skill TridentZ Neo DDR4 3600Mhz Corsair H115i nVidia GTX 1080 (RTX 3080 coming SOON) 500GB PCIe Gen4 NVMe system drive 2TB PCIe Gen3 NVMe game drive 2TB Seagate Barracuda HDD (to accompany another 2x 2TB WD Black HDDs and 1x 500GB Samsung SATA SSD from my previous build. Yes, I love storage.) Corsair RM850x power supply Corsair Obsidian Series 750D Airflow full tower case The AMD Ryzen 3900x is a 12 core, 24 thread processor, compared to the 4 core 4 thread 3570K. It possesses 70MB of cache, whereas the i5 only has 6MB. What does all that mean? I didn’t exactly know. I grew up in the 1990s, where processors were measured in clockspeed, not cores and threads. Megahertz for megahertz, my old CPU is the faster creature. While Ryzen can reach 4.6Ghz, it will only ever do so very briefly, and only on one or two cores. Usually it will stay around 4.1Ghz under load. Looking at my i5, overclocked to 4.4Ghz, always and forever, I had mixed feelings about this upgrade. Until I loaded Flight Simulator 2020. The first thing I noticed is how fast the main menu came up. It’s not instantaneous, as FS2020 is a monster app, but it’s a fraction of the time it once took. Then, once the flight loads, it’s ready for you… immediately. Gone is the five minutes of choppy, stuttering, potentially system-crashing horror. At worst, there’s a slight hiccup at start, then it’s smooth sailing. Or… as smooth as you can expect with a GTX 1080. Which is smoother than you might think. On high settings, 4k resolution, and 80% rendering, I get an eminently playable 35fps. Which might sound low, but for a slow-paced game like a flight sim, such frame-rate feels remarkably fluid. I would have bet money I was in the upper 40s until I checked. The new build won’t be complete until I install the new nVidia RTX 3080, but this is the perfect foundation for such a mighty setup. The Ryzen is indeed a huge leap over my last machine, and I have nothing but praise for its performance. I will not be running out to get the Ryzen 5000 series on opening day. This 3900X shall keep me sated for quite some time. It’s a beast of a processor. Pinky_Powers
It has been nearly 20 years since I ventured into the AMD market. The Ryzen 9 is an incredible processor, especially for the cost. I think this is evidenced by the consumer demand, but let me talk a bit about my performance experience. I paired this processor with arguably the best air cooler on the market, and the CPU sits at 39-40C idle with the die temperatures being reported at 34C. Under full load stress testing, my processor maxed at 60C, which is essentially the same as my previous build. Thus, despite external concerns regarding the TDP of the 3900X, I find no anomalous issue in this department. My experimentation with voltages, however, left me far more confused and concerned. Out of the box, the default vcore of my new build was set to 1.48V. This is, in ... MoreIt has been nearly 20 years since I ventured into the AMD market. The Ryzen 9 is an incredible processor, especially for the cost. I think this is evidenced by the consumer demand, but let me talk a bit about my performance experience. I paired this processor with arguably the best air cooler on the market, and the CPU sits at 39-40C idle with the die temperatures being reported at 34C. Under full load stress testing, my processor maxed at 60C, which is essentially the same as my previous build. Thus, despite external concerns regarding the TDP of the 3900X, I find no anomalous issue in this department. My experimentation with voltages, however, left me far more confused and concerned. Out of the box, the default vcore of my new build was set to 1.48V. This is, in my opinion, obnoxiously high and sits well above what I understand to be safe for silicon. Sure enough, if I look at VIDs, I find that the CPU is still requesting voltages that high. I set a voltage offset of -0.1V in my motherboard bios. At this value, I actually found a benchmark maximum, and my average vcore during an uptime cycle now sits at a far more comforting 1.227V. 4.6 GHz appears to be a promised land with the Ryzen 9. I only hit that value once, during one benchmark test, on Core #0. My typical frequency maxes during an uptime cycle are [4.53, 4.50, 4.50, 4.48, 4.53, 4.48, 4.35, 4.33, 4.35, 4, 33, 4.35, 4.35] GHz across the 12 cores. With my voltage offset shown above, my typical base level clock sits at 3.6GHz instead of 3.8, but that is my choice. Under a full load benchmark test, I tend to see 4.1-4.2 GHz across all cores. Some might view this as a con, but for context, my CPU is still putting up incredibly strong benchmark numbers. I have also avoided using Precision Boost Overdrive, as global research has shown it to not be significantly more effective than just leaving things up to Precision Boost 2. AMD should have probably come up with more distinct naming conventions as PB2 is merely a stock boosting processor feature, whereas PBO falls into the realm of "defined as overclocking" and is not considered "in-spec". It would really be nice to see a comment from AMD clarifying the voltage issues I described above. I've found a lot of discussion on that particular topic, but all of the listed 'facts' appear to simply be conjecture and opinion. Any AMD tech around here? Maybe drop me a comment? Save the day? ;) Overall, I have found my Ryzen 9 experience to be incredibly enjoyable thus far. For an enthusiast with knowledge of how to build and setup a computer, every concern I just listed could be easily addressed. Frankly, at the time of writing this review, there is just no other processor on the market that can do what the 3900X is doing -- especially at this price point. It is certainly worth a serious look by those in need of a CPU -- including from those who have been flying a different colored flag for quite sometime.
Hello, The current build: Amd Ryzen 9 3900 x 12 core, 24 virtual, 3.8 GHZ stock Gigabyte Aorus Pro Motherboard B550 1 Tb Sabrent Rocket Maximum Perfomance M.2 read:5,000 write: 4,500 1 Tb Sabrent Rocket M.2 Read: 3,500 write : 3,000 Fractal Designs Ion 860 W Platinum PSU Aero cool F6XT fan controller Gskill Royal Trident Z 2 x 32 gb ddr4 2666 Cryorig A40 Hybrid water cooler 240mm (fans replaced with 2 x solar eclipse 120mm white led) NVIDIA RTX 3060ti founder's edition All put into a Cooler master HAF XB EVO High airflow Lan test bench Linux 64 bit Ulyanna cinnamon Review: 3900 x Amd Ryzen 9 processor I have been running this processor for a few weeks now and I feel it's time to shed some light so to say on my overall findings. The installation of this processor is ... MoreHello, The current build: Amd Ryzen 9 3900 x 12 core, 24 virtual, 3.8 GHZ stock Gigabyte Aorus Pro Motherboard B550 1 Tb Sabrent Rocket Maximum Perfomance M.2 read:5,000 write: 4,500 1 Tb Sabrent Rocket M.2 Read: 3,500 write : 3,000 Fractal Designs Ion 860 W Platinum PSU Aero cool F6XT fan controller Gskill Royal Trident Z 2 x 32 gb ddr4 2666 Cryorig A40 Hybrid water cooler 240mm (fans replaced with 2 x solar eclipse 120mm white led) NVIDIA RTX 3060ti founder's edition All put into a Cooler master HAF XB EVO High airflow Lan test bench Linux 64 bit Ulyanna cinnamon Review: 3900 x Amd Ryzen 9 processor I have been running this processor for a few weeks now and I feel it's time to shed some light so to say on my overall findings. The installation of this processor is pretty easy to understand like most AMD processors have been in past itterations, line up the slotted corner, the only complaint I would have is the bracket the AM4 platform uses just having a loose bracket even after appropriately installing a cooler is strange although the manual says this should be the case I dont like anything loose when building hardware. But that's really just nitpicking. The OS installed beautifully off of a usb flash drive, although I had to re-install wine after initial setup. The hardware was instantly recognized which is nice having an RTX 3060ti I was hesitant it would not recognize the card. The instant display of 65 gb of ram, all 24 core's running and their respective loads, the sabrent rocket m.2's, as well as the massive cache (not as big as the 5,00 series but good enough for a busy day of gaming). This beast of a build just handles whatever I have thrown at it so far. I have really only run it in a few games over a few weeks but Neverwinter, Civ's 5 + 6, Minetest, Dota 2, Boderlands 2 won't even stress any of the hardware at max settings. I will have to run VM's and harder games like hunt: showdown , or wait for cyberpunk to fix the bulldozer software scan thats been slowing down there software, I personally prefer to break the hardware in slower before really putting a hard stress test, although I did bench Civ and placed top 99% for AI calculations and game simulation on max settings. So what's the take away from all this? It's an easy chip to build from, has run linux mint ulyanna 64 bit stable and easily, wine runs fine (after a reinstall), play on steam and play on linux both work fine off the processor, Personally I would watercool the processor, although the wraith cooler seems fine if you are on a budget but if your on a budget chances are you are not looking at these 12 - 16 core processors so I say spend the 100$ and keep it cooler longer (remember heat kills electronics). When I bought this processor with tax it ran me 450$, that price after I bought it jumped by almost 100$ if that tells you anything you need to know about how good the Ryzen series really is versus intel. My first personal experience building a computer was off the AM3+ platform and boy what a long way they have come. Cost to performance AMD still paves the way as Intel has become an after thought. I can do it all with this much power, and I can do it affordably. From graphics rendering to hard gaming I see this platform being used from colleges to hollywood . Unless you get a processor that DOA you will not be disappointed, AMD brought the heat with the 5,000 processors, but if you want to get it done and for a way better price than the 5,000 series can be found at currently or even at all, then get the 3900x it can be found today and at a real price point not some over inflated out of stock price currently had by the 5000 series.
COMPETITION IS GOOD FOR YOU, THE CONSUMER - Buy AMD while they are at or near the top to allow them to continue bringing competition to Intel. TL;DR: * Very fast * Very quiet * No problems gaming * Great IPC and very good single-core performance (These are often confused for the same thing, but they are different) * All those threads help when running multiple VMs and/or developing Longer version: Upgraded my main rig from: i7-3770k @ 4.3GHz and 16GB 1866 C16 on an ASRock Z77 Pro3 to: R9 3900X and 32GB (2X16) 3200 C16 Corsair on an MSI Tomahawk B450 Max I wanted, and would still prefer, the equivalent Crucial Ballistix set, but they were not in stock Both setups have basically the same aftermarket cooler - the Hyper 212 EVO (non-RGB) which helped the i7 more than it ... MoreCOMPETITION IS GOOD FOR YOU, THE CONSUMER - Buy AMD while they are at or near the top to allow them to continue bringing competition to Intel. TL;DR: * Very fast * Very quiet * No problems gaming * Great IPC and very good single-core performance (These are often confused for the same thing, but they are different) * All those threads help when running multiple VMs and/or developing Longer version: Upgraded my main rig from: i7-3770k @ 4.3GHz and 16GB 1866 C16 on an ASRock Z77 Pro3 to: R9 3900X and 32GB (2X16) 3200 C16 Corsair on an MSI Tomahawk B450 Max I wanted, and would still prefer, the equivalent Crucial Ballistix set, but they were not in stock Both setups have basically the same aftermarket cooler - the Hyper 212 EVO (non-RGB) which helped the i7 more than it does the 3900X due to the AMD stock cooler being much more capable. The 212 isn't the best, but it gets the job done for a fair price. I set custom fan curves in the BIOS to keep it quiet while still providing enough airflow to keep things cool. I keep my box in a negative-pressure configuration. Gaming on this CPU is nothing short of great, and with game devs starting to take advantage of more and more threads, I'll be fine for quite a while. Developing in Unreal Engine is much quicker, especially when compiling code and/or shaders as those things can take advantage of all the threads. I no longer need to worry about over-provisioning my available threads when starting multiple VMs. I let my daughter have the i7 paired with my old R9 380X - perfect for the lower-end games she plays such as Minecraft (Bedrock and Java). My son's rig is an R5 1600 paired with an RX 580 since he plays games which require more performance such as Borderlands 3.
This was purchased as an upgrade from a 2700X. Compile times on a large project dropped considerably vs my old CPU, but then I also upgraded from 16GB to 64GB which helped compile more modules in parallel on different threads. Recording video in OBS studio seems to have improved as well. I record output from multiple programs and combine it into a single video, and it seems to feel smoother. Yeah, you might get a higher frame rate with a 5900X on a top end graphics card running 1080p, but as the graphics card goes down in speed and/or up in resolution this becomes less of an issue. The 5900X is also more expensive. You'll have to decide what's best for you, but my graphics card will probably be the bottle neck for the near future. Overclocking/undervolting software ... MoreThis was purchased as an upgrade from a 2700X. Compile times on a large project dropped considerably vs my old CPU, but then I also upgraded from 16GB to 64GB which helped compile more modules in parallel on different threads. Recording video in OBS studio seems to have improved as well. I record output from multiple programs and combine it into a single video, and it seems to feel smoother. Yeah, you might get a higher frame rate with a 5900X on a top end graphics card running 1080p, but as the graphics card goes down in speed and/or up in resolution this becomes less of an issue. The 5900X is also more expensive. You'll have to decide what's best for you, but my graphics card will probably be the bottle neck for the near future. Overclocking/undervolting software has it benchmarking faster than a 3900XT, so die qualities have probably improved since the release of these CPUs, but it depends on how well you do in the silicon lottery. Overall a great purchase, and Micro Center had it at a great price.
This cpu replaced my Ryzen 5 3600 (RTX 3060 64gb3200hz ram and 1.5TB ssd). I went from 6 core 12 threads to 12 core 24 threads and the change is noticeable upon power up. I can run several programs and game at 1440p at the same time. Temperature runs a bit warmer than the 3600 so make sure to have plenty of air flow. I do have a radiator on mine and temps rarely run over 65C to 70C even during a long gaming session. And my idle temps are 32C to 40C so far. Installation is the same as with any other AMD cpu so nothing special needed. You should be able to swap them out in about 10 minutes or less. Check your motherboard before purchase to make sure it's supported.
Let me be more clear. This thing is super powerful, and without manually overclocking it I was able to hit past 4.2 GHz. My issue was that I wasn't aware of 2 settings on my mobo--and I don't know if it is card specific or what, but this seems to be a general problem with many AM4 Ryzen CPUs. There are 2 main overclock settings in the BIOS--Performance Override and Core Performance Boost. With stock settings, the CPU was ramping up to 4.2GHz at IDLE. I checked the bios and it took me forever to realize that the Performance Override was separate from the Core Performance boost, and at stock settings the PO was off and the CPB was on. This led to a wacky overclocking that had issues with the temperature sensor on the chip where the chip would drop 10degC over 5 or so ... MoreLet me be more clear. This thing is super powerful, and without manually overclocking it I was able to hit past 4.2 GHz. My issue was that I wasn't aware of 2 settings on my mobo--and I don't know if it is card specific or what, but this seems to be a general problem with many AM4 Ryzen CPUs. There are 2 main overclock settings in the BIOS--Performance Override and Core Performance Boost. With stock settings, the CPU was ramping up to 4.2GHz at IDLE. I checked the bios and it took me forever to realize that the Performance Override was separate from the Core Performance boost, and at stock settings the PO was off and the CPB was on. This led to a wacky overclocking that had issues with the temperature sensor on the chip where the chip would drop 10degC over 5 or so seconds and then in a blink of an eye it's up 10-15degC again (an issue I believe with either the temp source or the controlling algorithm they use). So then the fan would be ramping up and down constantly, which made it impossible to focus on anything without getting irritated as it would get so loud I would hear it through my headphones. Anyway, I turned on X-AMP to OC my RAM, and turned off the PO and CPB and now I don't get that issue. Still wish I knew why I can't get my CPU to idle when my computer is idle. The thing sticks at 3.8GHZ while just staring at a black desktop, no apps running or anything else going on. The chipset drivers don't work with the AMD power profiles that you can choose from--and it seems like windows just does not care at all about whether or not their power profiles are adjustable at all. Whether that's a windows issue, an AMD issue, or I'm just a d*****s, it really shouldn't be this difficult to keep get my computer to operate as any other normal computer would. Either way, this thing is a beast. Paired with 3600Mhz ram, a 5700 XT, and an x570 mobo, I can plow through 1080p games with 100-200 fps.
The 980x has served me well. Unfortunately, the components on that rig are starting to get a little iffy & I decided I needed to build a new workstation. This couldn't have come at a worse time because of the microchip shortage & massive price hikes on all computer components. I really wanted to get a 5900x, but this spring, they were selling for double sometimes triple the MSRP. I do a lot of 3d work and trying my hand at game development. Even though it's not the latest generation of Ryzen, it's still plenty powerful. What used to take my old 980x roughly 3 hours to render is now only 30 minutes! Getting the 3900x was a GREAT decision. The price is decent enough that I was able to stay within budget even after getting the 3080ti.
| General | |
| Product Type | Processor |
| Processor | |
| Type / Form Factor | AMD Ryzen 9 3900X |
| Number of Cores | 12-core |
