Samsung Galaxy S21 Ultra comes with a 6.80-inch touchscreen display with a resolution of 1440x3220 pixels at a pixel density of 515 pixels per inch (ppi). Samsung Galaxy Galaxy S21 Ultra is powered by Exynos 2100 (5 nm) Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) and come with 12GB of RAM. The Samsung Galaxy S21 Ultra is rumoured to run Android 11 and is expected to be powered by a 5000mAh battery. The Samsung Galaxy S21 Ultra supports wireless charging, as well as proprietary fast charging. As far as the cameras are concerned, the Samsung Galaxy S21 Ultra is rumoured to pack a 108-megapixel primary camera with an f/1.8 aperture and a pixel size of 0.8-micron; a second 12-megapixel camera with an f/2.2 aperture and a pixel size of 1.4-micron; a third 10-megapixel camera with an f/2.4 aperture and a pixel size of 1.22-micron and a fourth 10-megapixel camera with an f/4.9 aperture and a pixel size of 1.22-micron. It is expected to sport a 40-megapixel camera on the front for selfies, with an f/2.2 aperture and a pixel size of 0.7-micron. The Samsung Galaxy S21 Ultra runs One UI 3.1 based on Android 11 and packs 512GB of inbuilt storage. The Samsung Galaxy S21 Ultra tipped to be a single-SIM (GSM) smartphone that will accept Nano-SIM cards. The Samsung Galaxy S21 Ultra is said to measure 165.10 x 75.60 x 8.90mm (height x width x thickness) and weighs 228.00 grams. It features an IP68 rating for dust and water protection. Connectivity options on the Samsung Galaxy S21 Ultra are said to include Wi-Fi 802.11 a/b/g/n/ac/Yes, GPS, Bluetooth v5.00, NFC, USB Type-C, 3G, 4G and 5G. Sensors on the phone are rumoured to include accelerometer, ambient light sensor, compass/ magnetometer, gyroscope, proximity sensor, and in-display fingerprint sensor. The Samsung Galaxy S21 Ultra supports face unlock.