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Specifications
 

Samsung Galaxy A21s

Samsung Galaxy A51 5G

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Samsung Galaxy A21s
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Samsung Galaxy A21s

Samsung Galaxy A51 5G

Network
Technology GSM / HSPA / LTE GSM / HSPA / LTE / 5G
2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 - SM-A516B/DS
  HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network 1, 2, 3, 5, 7, 8, 20, 28, 38, 40, 41 1, 3, 4, 5, 7, 8, 12, 20, 28, 38, 40, 41 - SM-A516B/DS
  2, 4, 5, 12, 13, 25, 26, 41, 66, 71 - SM-A516U
5G Network 41, 78 SA/NSA/Sub6 - SM-A516B/DS
Speed HSPA, LTE HSPA, LTE, 5G
Launch
Announced 2020, May 15 2020, April 08
Status Available. Released 2020, June 02 Available. Released 2020, April 29
Body
Dimensions 163.7 x 75.3 x 8.9 mm (6.44 x 2.96 x 0.35 in) 158.9 x 73.6 x 8.7 mm (6.26 x 2.90 x 0.34 in)
3D size compare
Weight 192 g (6.77 oz) 187 g (6.60 oz)
Build Glass front, plastic frame, plastic back Glass front (Gorilla Glass 3), plastic back, aluminum frame
SIM Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by)
Display
Type PLS LCD Super AMOLED
Size 6.5 inches, 102.0 cm2 (~82.8% screen-to-body ratio) 6.5 inches, 102.0 cm2 (~87.2% screen-to-body ratio)
Resolution 720 x 1600 pixels, 20:9 ratio (~270 ppi density) 1080 x 2400 pixels, 20:9 ratio (~405 ppi density)
Protection Corning Gorilla Glass 3
Platform
OS Android 10, upgradable to Android 12, One UI 4.1 Android 10, upgradable to Android 13, One UI 5
Chipset Exynos 850 (8nm) Exynos 980 (8 nm)
CPU Octa-core (4x2.0 GHz Cortex-A55 & 4x2.0 GHz Cortex-A55) Octa-core (2x2.2 GHz Cortex-A77 & 6x1.8 GHz Cortex A55)
GPU Mali-G52 Mali-G76 MP5
Memory
Card slot microSDXC (dedicated slot) microSDXC (uses shared SIM slot)
Internal 32GB 2GB RAM, 32GB 3GB RAM, 32GB 4GB RAM, 64GB 3GB RAM, 64GB 4GB RAM, 64GB 6GB RAM, 128GB 3GB RAM, 128GB 4GB RAM, 128GB 6GB RAM 128GB 6GB RAM, 128GB 8GB RAM
 eMMC 5.1 UFS 2.1
Main Camera
Modules 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.2, 123˚ (ultrawide), 1/4.0", 1.12µm
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)
48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF
12 MP, f/2.2, 123˚ (ultrawide)
5 MP, f/2.4, (macro)
5 MP, f/2.2, (depth)
Features LED flash, panorama, HDR LED flash, panorama, HDR
Video 1080p@30fps 4K@30fps, 1080p@30/120fps; gyro-EIS
Selfie Camera
Modules 13 MP, f/2.2, (wide), 1/3.1", 1.12µm 32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm
Features HDR
Video 1080p@30fps 4K@30fps, 1080p@30fps
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Sound
Loudspeaker Yes Yes
3.5mm jack Yes Yes
Comms
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE
Positioning GPS, GLONASS, GALILEO, BDS GPS, GLONASS, GALILEO, BDS
NFC Yes (market/region dependent) Yes
Infrared port No No
Radio FM radio, RDS, recording FM radio, RDS, recording
USB USB Type-C 2.0 USB Type-C 2.0, OTG
Features
Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
  ANT+
Battery
Type Li-Po 5000 mAh, non-removable Li-Po 4500 mAh, non-removable
Charging 15W wired 15W wired
Misc
Colors Black, White, Blue, Red Prism Cube Black, Prism Cube White, Prism Cube Pink
SAR EU 0.42 W/kg (head)     1.54 W/kg (body)     0.50 W/kg (head)     1.55 W/kg (body)    
Models SM-A217F, SM-A217F/DS, SM-A217F/DSN, SM-A217M, SM-A217M/DS, SM-A217N SM-A516F, SM-A516F/DSN, SM-A516N, SM-A516B/DS, SM-A516B, SM-A516U, SC-54A, SM-A516U1, SCG07, SM-A5160
Price About 220 EUR $ 116.99 / C$ 182.95 / £ 139.99 / € 299.97
Tests
Performance AnTuTu: 107157 (v8)
GeekBench: 1100 (v5.1)
GFXBench: 11fps (ES 3.1 onscreen)
AnTuTu: 316007 (v8)
GeekBench: 1867(v5.1)
GFXBench: 17fps (ES 3.1 onscreen)
Display Contrast ratio: 1287:1 (nominal) Contrast ratio: Infinite (nominal)
Camera Compare PHOTO / Compare VIDEO
Loudspeaker -30.0 LUFS (Average) -29.5 LUFS (Average)
Battery (old) Endurance rating 119h Endurance rating 90h

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