The Galaxy S21 Ultra which is the most high-end device in the lineup sports a 6.8-inch adaptive 120Hz QHD+ curved AMOLED display with a resolution of 3200 x 1440 and 515 ppi. The phone is powered by an octa-core Exynos 2100 SoC in global markets (Snapdragon 888 in the US), paired with 12GB and 16GB LPDDR5 RAM options. It has IP68 water and dust resistance.
It features a quad camera setup with a 108-megapixel wide angle camera with an f/1.8 aperture, OIS, 12-megapixel dual pixel ultra-wide angel lens with an f/2.2 aperture, a 10-megapixel Telephoto lens for 3x zoom, OIS support, and another 10-megapixel Periscope lens for 10x zoom, 100x Space Zoom, Laser autofocus sensor, 4K 60 fps, 8K 30fps. On the front, the device has a 40MP camera with f/2.2 aperture.
The device runs on OneUI based on Android 11. Additional features include Stylus Pen Support which has a clickable button on the side instead of the top click. It is the first S-series smartphone to support the S Pen stylus. It packs a 5,000mAh battery that supports USB PD 3.0 and Wireless Charging 2.0 for fast wired and wireless charging.
The S21 Ultra has Ultra-wideband capabilities (UWB) embedded to automatically unlock compatible car doors without pulling out your keys. Connectivity options include 5G, 4G LTE, Wi-Fi 6E, Bluetooth, GPS/ A-GPS, NFC, and USB Type-C port.
|Type||AMOLED, with 120Hz Adaptive Refresh Rate, 1500 nits brightness, Gorilla Glass 7 Protection|
|Resolution||3200 x 1440|
|Pixel Density||515 ppi|
|Screen Size||6.8 inches|
|Processor||Octa core 2.8 GHz, Exynos 2100 5nm processor|
|Operating System||Android 11, based on OneUI 3.1|
|Internal Memory||256 GB|
|Rear Camera||108MP + 12MP + 10MP + 10MP, Quad-camera: 108MP primary wide-angle sensor with f/1.8 and OIS, 12MP ultra-wide sensor with f/2.2 amd 120-degree FOV, 10MP 3x optical sensor with f/2.4 aperture, 10MP 10x optical sensor with f/4.9 aperture, PDAF, Laser Autofocus|
|Front Camera||40MP, with f/2.2 aperture, Auto Focus, 80-degree FOV|
|Image Stablizer||Yes, OIS|
|Video Recording||Yes, 4K/60fps support for all sensors, 8K @ 30fps, 1080p @ 30/60/240fps, 720p @ 960fps|
|Capacity||5000 mAh, with 45W fast charging support|
|Video Player||Yes, Supported Formats: MP4, M4V, 3GP, 3G2, WMV, ASF, FLV, MKV, WEBM|
|GSM/CDMA||GSM & CDMA|
|Bluetooth||5.0, Dual Audio support|
|Built in Applications||Yes, Google Maps, Google, YouTube, Gmail|
|Dustproof||Yes, IP68 certified|