Description

Samsung Galaxy S21 5G (128GB)

Model Numbers:

SM-G991B: International version

SM-G991U: USA (Verizon)

SM-G991U1: USA Unlocked

SM-G991W: Canada

SM-G991N: South Korea

SM-G9910: China

Technical Specifications:

Display:

Size: 6.2 inches

Type: Dynamic AMOLED 2X, 120Hz, HDR10+, 1300 nits (peak)

Resolution: 1080 x 2400 pixels (~421 ppi density)

Protection: Corning Gorilla Glass Victus

Processor:

Chipset:Exynos 2100 (5 nm) – International

Qualcomm Snapdragon 888 (5 nm) – USA/China

CPU:Octa-core (1×2.9 GHz Cortex-X1 & 3×2.80 GHz Cortex-A78 & 4×2.2 GHz Cortex-A55) – International

Octa-core (1×2.84 GHz Cortex-X1 & 3×2.42 GHz Cortex-A78 & 4×1.80 GHz Cortex-A55) – USA/China

GPU:Mali-G78 MP14 – International

Adreno 660 – USA/China

Memory & Storage:RAM: 8GB

Internal Storage: 128GB (UFS 3.1)

Expandable Storage: No microSD card slot

Camera System:

Rear Cameras:

12 MP, f/1.8, 26mm (wide), 1/1.76″, 1.8µm, dual pixel PDAF, OIS

64 MP, f/2.0, 29mm (telephoto), 1/1.72″, 0.8µm, PDAF, OIS, 1.1x optical zoom, 3x hybrid zoom

12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55″ 1.4µm, Super Steady video

Front Camera:

10 MP, f/2.2, 26mm (wide), 1/3.24″, 1.22µm, dual pixel PDAF

Video Capabilities:

8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, stereo sound recording, gyro-EIS

Battery & Charging:

Battery Capacity: 4000 mAh

Charging:

Wired: 25W wired, PD3.0

Wireless: 15W wireless (Qi)

Reverse Wireless: 4.5W

Operating System:

Originally shipped with Android 11, upgradable to Android 14, One UI 6.1

Connectivity:

5G: Supports Sub-6GHz and mmWave

Wi-Fi: Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct

Bluetooth: 5.0, A2DP, LE

Positioning: GPS, GLONASS, BDS, GALILEO

NFC: Yes

USB: USB Type-C 3.2, OTG

Sensors:

Fingerprint (under display, ultrasonic)

Accelerometer

Gyroscope

Proximity sensor

Compass

Barometer

Samsung DeX, Samsung Wireless DeX (desktop experience support)

Ultra Wideband (UWB) support

Water Resistance:

IP68 (maximum depth of 1.5 meters up to 30 minutes)

Colors:

Phantom Gray

Phantom White

Phantom Violet

Phantom Pink