Samsung Galaxy S21 Ultra comes with 6.8 inches Quad HD+ Dynamic AMOLED 2X screen. It has a punch-hole front camera design. The back camera is of quad 108+10+10+12 MP with Laser AF, OIS, periscope telephoto, 10x optical zoom, ultrawide etc. and up to 8K video recording. The front camera is of 40 Megapixel. Galaxy S21 Ultra comes with 5000 mAh battery with 25W fast charging. It has 12/16 GB RAM, up to 2.9 GHz octa-core CPU and Mali-G78 MP14 GPU. It is powered by a 5 nm Exynos 2100 chipset. The device comes with 128/256/512 GB UFS 3.0 internal storage and no MicroSD slot. There is an ultrasonic in-display fingerprint sensor in this phone.
Among other features, there is Dual SIM / eSIM, Face Unlock, Samsung Dex, Bixby, fast wireless charging, reverse wireless charging etc.