Samsung
Samsung Galaxy S21 5G
SM-G991SM-G991
- ReleasedReleased 2021, January 29
- Weight and dimensions169 g (Sub6), 171 g (mmWave) (5.96 oz) · 151.7 x 71.2 x 7.9 mm (5.97 x 2.80 x 0.31 in)
- Operating systemAndroid 11, One UI 3.1
- Storage128GB 8GB RAM, 256GB 8GB RAM · Card slot No
- model variants
- 7
- spec categories
- 13
Network
- 2G
- GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (Dual SIM model only)
- 3G
- HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
- 4G
- 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 38, 39, 40, 41, 46, 48, 66, 71 - SM-G991U1
- 5G
- 2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - SM-G991U1
- Speed
- HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G
- Technology
- GSM / CDMA / HSPA / EVDO / LTE / 5G
Timeline
- Announced
- 2021, January 14
- Released
- Released 2021, January 29
Body
- Build
- Glass front (Gorilla Glass Victus), plastic back, aluminum frame
- Dimensions
- 151.7 x 71.2 x 7.9 mm (5.97 x 2.80 x 0.31 in)
- SIM
- Single SIM (Nano-SIM and/or eSIM) or Dual SIM (Nano-SIM and/or eSIM, dual stand-by)
- Weight
- 169 g (Sub6), 171 g (mmWave) (5.96 oz)
Display
- Protection
- Corning Gorilla Glass Victus
- Resolution
- 1080 x 2400 pixels, 20:9 ratio (~421 ppi density)
- Size
- 6.2 inches, 94.1 cm2 (~87.2% screen-to-body ratio)
- Type
- Dynamic AMOLED 2X, 120Hz, HDR10+, 1300 nits (peak)
Platform
- CPU
- Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - InternationalOcta-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680) - USA/China
- Chipset
- Exynos 2100 (5 nm) - InternationalQualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China
- GPU
- Mali-G78 MP14 - InternationalAdreno 660 - USA/China
- OS
- Android 11, One UI 3.1
Memory
- Card slot
- No
- Internal
- 128GB 8GB RAM, 256GB 8GB RAM
Main camera
- Camera
- 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
- Features
- LED flash, auto-HDR, panorama
- Video
- 8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS
Front camera
- Camera
- 10 MP, f/2.2, 26mm (wide), 1/3.24", 1.22µm, Dual Pixel PDAF
- Features
- Dual video call, Auto-HDR
- Video
- 4K@30/60fps, 1080p@30fps
Sound
- 3.5mm jack
- No
- Loudspeaker
- Yes, with stereo speakers
Connectivity
- Bluetooth
- 5.0, A2DP, LE
- GPS
- Yes, with A-GPS, GLONASS, BDS, GALILEO
- NFC
- Yes
- Radio
- FM radio (Snapdragon model only; market/operator dependent)
- USB
- USB Type-C 3.2, USB On-The-Go
- WLAN
- Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot
Features
- Sensors
- Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
Battery
- Battery
- Li-Ion 4000 mAh, non-removable
- Charging
- Fast charging 25W USB Power Delivery 3.0 Fast Qi/PMA wireless charging 15W Reverse wireless charging 4.5W
Miscellaneous
- Colors
- Phantom Gray, Phantom White, Phantom Violet, Phantom Pink
- Performance
- AnTuTu: 584055 (v8) GeekBench: 3238 (v5.1) GFXBench: 60fps (ES 3.1 onscreen)
- SAR EU
- 0.46 W/kg (head) 1.51 W/kg (body)
- SAR US
- 0.74 W/kg (head) 1.08 W/kg (body)
Samsung
Samsung model variants
Data provenance
Specifications source
SamFW · gsmarena.com · Source model SM-G9910 · Fetched 2026-09-05
Specifications are reference data supplied by the source and may contain errors or regional differences.