Very useful information to analyze and compare before choosing a smartphone. Technical specifications tell us if the model we look at is suited for our needs. Comparing these specifications could bring us the best mobile phone for the less money possible.

If you need a comparing tool for mobile phones take a look at this mobile phone comparations page. Otherwise you would have to use an excel table to sort out all the models offered by the market by every technical specification you might consider important.

Another important decision is the size of the mobile phone you consider fit for your hands and pockets. Here comes in handy the visual phone size comparison tool.

Technical Specifications for Samsung Galaxy S21 5G


Samsung Galaxy S21 5G specifications
Samsung Galaxy S21 5G

Cell phone specifications

TechnologyGSM / CDMA / HSPA / EVDO / LTE / 5G
Announced2021, January 14
SIMSingle SIM (Nano-SIM and/or eSIM) or Dual SIM (Nano-SIM and/or eSIM, dual stand-by)
TypeDynamic AMOLED 2X, 120Hz, HDR10+, 1300 nits (peak)
Weight169 g (Sub6), 171 g (mmWave) (5.96 oz)
Size6.2 inches, 94.1 cm2 (~87.2% screen-to-body ratio)
Resolution1080 x 2400 pixels, 20:9 ratio (~421 ppi density)
Dimensions151.7 x 71.2 x 7.9 mm (5.97 x 2.80 x 0.31 in)
ProtectionCorning Gorilla Glass Victus
BuildGlass front (Gorilla Glass Victus), plastic back, aluminum frame
OSAndroid 11, One UI 3.1
ChipsetExynos 2100 (5 nm) - International
Qualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China
CPUOcta-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International
Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680) - USA/China
GPUMali-G78 MP14 - International
Adreno 660 - USA/China
Card slotNo
Internal128GB 8GB RAM, 256GB 8GB RAM
FeaturesLED flash, auto-HDR, panorama
Video8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS
Single10 MP, f/2.2, 26mm (wide), 1/3.24", 1.22µm, Dual Pixel PDAF
Video4K@30/60fps, 1080p@30fps
FeaturesDual video call, Auto-HDR
SensorsFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
TypeLi-Ion 4000 mAh, non-removable
ColorsPhantom Gray, Phantom White, Phantom Violet, Phantom Pink
SAR EU0.46 W/kg (head)     1.51 W/kg (body)    
Price€ 698.00 / $ 639.95 / £ 638.99 / ₹ 69,999
LoudspeakerYes, with stereo speakers
3.5mm jackNo
GPSYes, with A-GPS, GLONASS, BDS, GALILEO
USBUSB Type-C 3.2, USB On-The-Go
Bluetooth5.0, A2DP, LE
NFCYes
Other
Network|2G bands-GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (Dual SIM model only)
Network|-CDMA 800 / 1900 & TD-SCDMA
Network|3G bands-HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Network|-CDMA2000 1xEV-DO
Network|4G bands-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
Network|5G bands-2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - SM-G991U1
Network|Speed-HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G
Launch|Status-Available. Released 2021, January 29
Body|-IP68 dust/water resistant (up to 1.5m for 30 mins)
Display|-Always-on display
Memory|-UFS 3.1
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
Sound|-32-bit/384kHz audio
Tuned by AKG
Comms|WLAN-Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot
Comms|Radio-FM radio (Snapdragon model only; market/operator dependent)
Features|-Samsung DeX, Samsung Wireless DeX (desktop experience support)
ANT+
Bixby natural language commands and dictation
Samsung Pay (Visa, MasterCard certified)
Battery|Charging-Fast charging 25W
USB Power Delivery 3.0
Fast Qi/PMA wireless charging 15W
Reverse wireless charging 4.5W
Misc|Models-SM-G991B, SM-G991B/DS, SM-G991U, SM-G991U1, SM-G991W, SM-G991N, SM-G9910
Misc|SAR-0.74 W/kg (head)     1.08 W/kg (body)    

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