Model NameGalaxy S21
Dimensions151.7 x 71.2 x 7.9 mm (5.97 x 2.80 x 0.31 in)
Weight169 g (5.96 oz)
BuildGlass front (Gorilla Glass Victus), plastic back, aluminum frame
SIMSingle SIM (Nano-SIM and/or eSIM) or Dual SIM (Nano-SIM and/or eSIM, dual stand-by)
Display TypeDynamic AMOLED 2X, 120Hz, HDR10+, 1300 nits (peak)
Display Size6.2 inches, 94.1 cm2 (~87.2% screen-to-body ratio)
Resolution1080 x 2400 pixels, 20:9 ratio (~421 ppi density)
ProtectionCorning Gorilla Glass Victus
Always-on display
Always-on display
OSAndroid 11, One UI 3.1
ChipsetExynos 2100 (5 nm) – International
Qualcomm SM8350 Snapdragon 888 5G (5 nm)
Qualcomm SM8350 Snapdragon 888 5G (5 nm)
CPUOcta-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 Kryo 680 & 3×2.42 GHz Kryo 680 & 4×1.80 GHz Kryo 680
Octa-core (1×2.84 GHz Kryo 680 & 3×2.42 GHz Kryo 680 & 4×1.80 GHz Kryo 680
GPUMali-G78 MP14 – International
Adreno 660
Adreno 660
Memory Card SlotNo
Internal128GB 8GB RAM, 256GB 8GB RAM
UFS 3.X
UFS 3.X
Main Camera (Triple)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
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
FeaturesLED flash, auto-HDR, panorama
Video8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS
Selfie Camera (Single)10 MP, f/2.2, 26mm (wide), 1/3.24″, 1.22µm, Dual Pixel PDAF
FeaturesDual video call, Auto-HDR
Video4K@30/60fps, 1080p@30fps
LoudspeakerYes, with stereo speakers
3.5mm JackNo
32-bit/384kHz audio
Tuned by AKG
32-bit/384kHz audio
Tuned by AKG
WLANWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot
Bluetooth5.0, A2DP, LE
GPSYes, with A-GPS, GLONASS, BDS, GALILEO
NFCYes
RadioFM radio (Snapdragon model only; market/operator dependent)
USBUSB Type-C 3.2, USB On-The-Go
SensorsFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
Samsung DeX, Samsung Wireless DeX (desktop experience support)
Bixby natural language commands and dictation
Samsung Pay (Visa, MasterCard certified)
Samsung DeX, Samsung Wireless DeX (desktop experience support)
Bixby natural language commands and dictation
Samsung Pay (Visa, MasterCard certified)
Battery TypeLi-Ion 4000 mAh, non-removable
ChargingFast charging 25W
USB Power Delivery 3.0
Fast Qi/PMA wireless charging 15W
Reverse wireless charging 4.5W
USB Power Delivery 3.0
Fast Qi/PMA wireless charging 15W
Reverse wireless charging 4.5W
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