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Specifications
 

Samsung Galaxy A51 5G

Samsung Galaxy A21s

Full Differences
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Samsung Galaxy A51 5G
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Samsung Galaxy A51 5G

Samsung Galaxy A21s

Network
Technology GSM / HSPA / LTE / 5G GSM / HSPA / LTE
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 - SM-A516B/DS HSDPA 850 / 900 / 1900 / 2100
  HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network 1, 3, 4, 5, 7, 8, 12, 20, 28, 38, 40, 41 - SM-A516B/DS 1, 2, 3, 5, 7, 8, 20, 28, 38, 40, 41
  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, 5G HSPA, LTE
Launch
Announced 2020, April 08 2020, May 15
Status Available. Released 2020, April 29 Available. Released 2020, June 02
Body
Dimensions 158.9 x 73.6 x 8.7 mm (6.26 x 2.90 x 0.34 in) 163.7 x 75.3 x 8.9 mm (6.44 x 2.96 x 0.35 in)
3D size compare
Weight 187 g (6.60 oz) 192 g (6.77 oz)
Build Glass front (Gorilla Glass 3), plastic back, aluminum frame Glass front, plastic frame, plastic back
SIM Single SIM (Nano-SIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
Display
Type Super AMOLED PLS LCD
Size 6.5 inches, 102.0 cm2 (~87.2% screen-to-body ratio) 6.5 inches, 102.0 cm2 (~82.8% screen-to-body ratio)
Resolution 1080 x 2400 pixels, 20:9 ratio (~405 ppi density) 720 x 1600 pixels, 20:9 ratio (~270 ppi density)
Protection Corning Gorilla Glass 3
Platform
OS Android 10, upgradable to Android 13, One UI 5 Android 10, upgradable to Android 12, One UI 4.1
Chipset Exynos 980 (8 nm) Exynos 850 (8nm)
CPU Octa-core (2x2.2 GHz Cortex-A77 & 6x1.8 GHz Cortex A55) Octa-core (4x2.0 GHz Cortex-A55 & 4x2.0 GHz Cortex-A55)
GPU Mali-G76 MP5 Mali-G52
Memory
Card slot microSDXC (uses shared SIM slot) microSDXC (dedicated slot)
Internal 128GB 6GB RAM, 128GB 8GB RAM 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
 UFS 2.1 eMMC 5.1
Main Camera
Modules 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)
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)
Features LED flash, panorama, HDR LED flash, panorama, HDR
Video 4K@30fps, 1080p@30/120fps; gyro-EIS 1080p@30fps
Selfie Camera
Modules 32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm 13 MP, f/2.2, (wide), 1/3.1", 1.12µm
Features HDR
Video 4K@30fps, 1080p@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 Yes (market/region dependent)
Infrared port No No
Radio FM radio, RDS, recording FM radio, RDS, recording
USB USB Type-C 2.0, OTG USB Type-C 2.0
Features
Sensors Fingerprint (under display, optical), accelerometer, gyro, proximity, compass Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
 ANT+
Battery
Type Li-Po 4500 mAh, non-removable Li-Po 5000 mAh, non-removable
Charging 15W wired 15W wired
Misc
Colors Prism Cube Black, Prism Cube White, Prism Cube Pink Black, White, Blue, Red
SAR EU 0.50 W/kg (head)     1.55 W/kg (body)     0.42 W/kg (head)     1.54 W/kg (body)    
Models SM-A516F, SM-A516F/DSN, SM-A516N, SM-A516B/DS, SM-A516B, SM-A516U, SC-54A, SM-A516U1, SCG07, SM-A5160 SM-A217F, SM-A217F/DS, SM-A217F/DSN, SM-A217M, SM-A217M/DS, SM-A217N
Price $ 116.99 / C$ 179.99 / £ 139.99 / € 299.97 About 220 EUR
Tests
Performance AnTuTu: 316007 (v8)
GeekBench: 1867(v5.1)
GFXBench: 17fps (ES 3.1 onscreen)
AnTuTu: 107157 (v8)
GeekBench: 1100 (v5.1)
GFXBench: 11fps (ES 3.1 onscreen)
Display Contrast ratio: Infinite (nominal) Contrast ratio: 1287:1 (nominal)
Camera Compare PHOTO / Compare VIDEO
Loudspeaker -29.5 LUFS (Average) -30.0 LUFS (Average)
Battery (old) Endurance rating 90h Endurance rating 119h

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