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Samsung Galaxy A51

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Samsung Galaxy A51
64GB 4GB RAM
$ 379.50 Deal
All prices

Samsung Galaxy A31

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Samsung Galaxy A31
64GB 4GB RAM
$ 257.50 Deal
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Network Technology GSM / HSPA / LTE 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 bands HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 - SM-A315F
  HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - SM-A315G
4G bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 66 1, 2, 3, 5, 7, 8, 20, 38, 40, 41 - SM-A315F
  2, 4, 5, 12, 13, 25, 26, 41, 66, 71 - SM-A515U 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 38, 40, 41, 66 - SM-A315G
Speed HSPA 42.2/5.76 Mbps, LTE-A HSPA 42.2/5.76 Mbps, LTE-A
Launch Announced 2019, December 12 2020, March 24
Status Available. Released 2019, December 16 Available. Released 2020, April 27
Body Dimensions 158.5 x 73.6 x 7.9 mm (6.24 x 2.90 x 0.31 in) 159.3 x 73.1 x 8.6 mm (6.27 x 2.88 x 0.34 in)
Weight 172 g (6.07 oz) 185 g (6.53 oz)
Build Glass front (Gorilla Glass 3), plastic back, plastic frame
SIM Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
Display Type Super AMOLED Super AMOLED
Size 6.5 inches, 102.0 cm2 (~87.4% screen-to-body ratio) 6.4 inches, 98.9 cm2 (~84.9% screen-to-body ratio)
Resolution 1080 x 2400 pixels, 20:9 ratio (~405 ppi density) 1080 x 2400 pixels, 20:9 ratio (~411 ppi density)
Protection Corning Gorilla Glass 3
Platform OS Android 10, upgradable to Android 12, One UI 4.1 Android 10, One UI 2.5
Chipset Exynos 9611 (10nm) Mediatek MT6768 Helio P65 (12nm)
CPU Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55)
GPU Mali-G72 MP3 Mali-G52 MC2
Memory Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Internal 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
 UFS 2.0 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
5 MP, f/2.4, (macro)
5 MP, f/2.4, (depth)
Features LED flash, panorama, HDR LED flash, panorama, HDR
Video [email protected], [email protected]/120fps; gyro-EIS [email protected]
Selfie Camera Modules 32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm 20 MP, f/2.2, (wide)
Features HDR
Video [email protected], [email protected] [email protected]
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, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE
GPS Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS
NFC Yes Yes (market/region dependent)
Infrared port No No
Radio FM radio FM radio, RDS, recording
USB USB Type-C 2.0, USB On-The-Go USB Type-C 2.0, USB On-The-Go
Features Sensors Fingerprint (under display, optical), accelerometer, gyro, compass Fingerprint (under display, optical), accelerometer, gyro, compass
 Virtual proximity sensing
ANT+
Virtual proximity sensing
Battery Type Li-Po 4000 mAh, non-removable Li-Po 5000 mAh, non-removable
Charging Fast charging 15W Fast charging 15W
Stand-by
Talk time
Misc
Colors Prism Crush Black, Prism Crush White, Prism Crush Blue, Prism Crush Pink Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White
SAR 0.80 W/kg (head)     0.67 W/kg (body)    
SAR EU 0.37 W/kg (head)     1.59 W/kg (body)     0.49 W/kg (head)     1.68 W/kg (body)    
Models SM-A515F, SM-A515F/DSN, SM-A515F/DS, SM-A515F/DST, SM-A515F/DSM, SM-A515F/N, SM-A515U, SM-A515U1, SM-A515W, SM-A515X, SM-S515DL SM-A315F, SM-A315F/DS, SM-A315G/DS, SM-A315G, SM-A315N
Price $ 202.00 / C$ 420.00 / £ 279.99 / € 289.00 $ 203.36 / £ 195.00 / Rp 3,250,000
Tests Performance AnTuTu: 113051 (v7), 175363 (v8)
GeekBench: 5401 (v4.4), 1294 (v5.1)
GFXBench: 5.6fps (ES 3.1 onscreen)
AnTuTu: 151815 (v8)
GeekBench: 5096 (v4.4), 1216 (v5.1)
GFXBench: 7fps (ES 3.1 onscreen)
Display Contrast ratio: Infinite (nominal) Contrast ratio: Infinite (nominal)
Camera Compare PHOTO / Compare VIDEO
Loudspeaker -28.6 LUFS (Average) -30.9 LUFS (Below average)
Audio quality Noise -93.1dB / Crosstalk -87.3dB
Battery life 86h endurance rating 124h endurance rating

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