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Samsung Galaxy A31
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Samsung Galaxy A31
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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 Network HSDPA 850 / 900 / 1900 / 2100 - SM-A207F/DS HSDPA 850 / 900 / 1900 / 2100 - SM-A315F
  HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - SM-A207M/DS HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - SM-A315G
4G Network 1, 2, 3, 5, 7, 8, 20, 28, 34, 38, 39, 40, 41 - SM-A207F/DS 1, 2, 3, 5, 7, 8, 20, 38, 40, 41 - SM-A315F
  1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 38, 40, 41, 66 - SM-A207M/DS 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 38, 40, 41, 66 - SM-A315G
Speed HSPA, LTE HSPA, LTE
Launch
Announced 2019, September 24 2020, March 24
Status Available. Released 2019, October 05 Available. Released 2020, April 27
Body
Dimensions 163.3 x 77.5 x 8 mm (6.43 x 3.05 x 0.31 in) 159.3 x 73.1 x 8.6 mm (6.27 x 2.88 x 0.34 in)
3D size compare
Weight 183 g (6.46 oz) 185 g (6.53 oz)
Build Glass front, 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 IPS LCD Super AMOLED
Size 6.5 inches, 103.7 cm2 (~81.9% screen-to-body ratio) 6.4 inches, 98.9 cm2 (~84.9% screen-to-body ratio)
Resolution 720 x 1560 pixels, 19.5:9 ratio (~264 ppi density) 1080 x 2400 pixels, 20:9 ratio (~411 ppi density)
Platform
OS Android 9.0 (Pie), upgradable to Android 11, One UI 3.1 Android 10, One UI 2.5
Chipset Qualcomm SDM450 Snapdragon 450 (14 nm) Mediatek MT6768 Helio P65 (12nm)
CPU Octa-core 1.8 GHz Cortex-A53 Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55)
GPU Adreno 506 Mali-G52 MC2
Memory
Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Internal 32GB 2GB RAM, 32GB 3GB RAM, 64GB 4GB RAM 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
 eMMC 5.1 eMMC 5.1
Main Camera
Modules 13 MP, f/1.8, 27mm (wide), PDAF
8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm
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 1080p@30fps 1080p@30fps
Selfie Camera
Modules 8 MP, f/2.0 20 MP, f/2.2, (wide)
Video 1080p@30fps 1080p@30fps
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Sound
Loudspeaker Yes Yes
3.5mm jack Yes Yes
Comms
WLAN Wi-Fi 802.11 b/g/n, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth 4.2, A2DP, LE 5.0, A2DP, LE
Positioning GPS, GLONASS, GALILEO, BDS GPS, GLONASS, GALILEO, BDS
NFC No Yes (market/region dependent)
Infrared port No No
Radio FM radio 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, compass
  Virtual proximity sensing
Battery
Type Li-Po 4000 mAh, non-removable Li-Po 5000 mAh, non-removable
Charging 15W wired 15W wired
Misc
Colors Black, Blue, Red, Green Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White
SAR 0.69 W/kg (head)     1.43 W/kg (body)    
SAR EU 0.35 W/kg (head)     0.83 W/kg (body)     0.49 W/kg (head)     1.68 W/kg (body)    
Models SM-A207F, SM-A207M, SM-A2070 SM-A315F, SM-A315F/DS, SM-A315G/DS, SM-A315G, SM-A315N
Price About 250 EUR $ 191.75 / £ 139.99 / € 171.83 / ₹ 12,004
Tests
Performance AnTuTu: 151815 (v8)
GeekBench: 5096 (v4.4), 1216 (v5.1)
GFXBench: 7fps (ES 3.1 onscreen)
Display Contrast ratio: Infinite (nominal)
Loudspeaker -30.9 LUFS (Below average)
Battery (old) Endurance rating 124h

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