Samsung Galaxy S21 Ultra 5G

Hardware Engineering Overview: Samsung Galaxy S21 Ultra 5G

The Samsung Galaxy S21 Ultra 5G is a high-performance mobile computing device engineered around the Qualcomm Snapdragon 888 / Exynos 2100 (5nm EUV) (8-core (1x2.84 GHz Cortex-X1 + 3x2.42 GHz + 4x1.80 GHz), Adreno 660 / Mali-G78 MP14). It features a 6.8" Dynamic AMOLED 2X LTPO (10–120Hz adaptive at native Quad HD+) at 3200 × 1440 px (515 ppi Quad HD+) with 120Hz refresh rate and up to 1500 nits peak brightness. Optics include a 108 MP 1/1.33" ISOCELL HM3 (12-bit RAW, Laser AF) primary sensor with hardware OIS paired with Dual Telephoto: 3x Optical (f/2.4, OIS) + 10x Optical Periscope (f/4.9, OIS) zoom, powered by a 5000 mAh battery with 25W wired fast charging.

Compute & Processing Architecture

Qualcomm Snapdragon 888 / Exynos 2100 (5nm EUV) equipped with 8-core (1x2.84 GHz Cortex-X1 + 3x2.42 GHz + 4x1.80 GHz) and Adreno 660 / Mali-G78 MP14. Runs Android 11 (One UI 3.1) with Qualcomm 3D Sonic Sensor Gen 2 (77% larger).

Display & Luminescence Benchmarks

6.8" Dynamic AMOLED 2X LTPO (10–120Hz adaptive at native Quad HD+) panel delivering 3200 × 1440 px (515 ppi Quad HD+) (20:9) at 120Hz and 1500 nits peak luminance.

Optics & Cinema Video Recording

108 MP 1/1.33" ISOCELL HM3 (12-bit RAW, Laser AF) sensor (f/1.8) with Dual Telephoto: 3x Optical (f/2.4, OIS) + 10x Optical Periscope (f/4.9, OIS). Video capture: 8K at 24 fps, 4K at 60 fps across ALL camera sensors simultaneously.

Battery, Power & Build Metallurgy

5000 mAh battery with 25W wired fast charging. Chassis: Contour-Cut aluminum camera housing integrated into chassis, Gorilla Glass Victus front and back with IP68.