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Specifications
 

Samsung Galaxy A31

Samsung Galaxy A12

Full Differences
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Samsung Galaxy A31
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Samsung Galaxy A31

Samsung Galaxy A12

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 only)
3G Network HSDPA 850 / 900 / 1900 / 2100 - SM-A315F HSDPA 850 / 900 / 2100
  HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - SM-A315G
4G Network 1, 2, 3, 5, 7, 8, 20, 38, 40, 41 - SM-A315F 1, 3, 5, 7, 8, 20, 28, 38, 40, 41
  1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 38, 40, 41, 66 - SM-A315G
Speed HSPA, LTE HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Launch
Announced 2020, March 24 2020, November 24
Status Available. Released 2020, April 27 Available. Released 2020, December 21
Body
Dimensions 159.3 x 73.1 x 8.6 mm (6.27 x 2.88 x 0.34 in) 164 x 75.8 x 8.9 mm (6.46 x 2.98 x 0.35 in)
3D size compare
Weight 185 g (6.53 oz) 205 g (7.23 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 Super AMOLED PLS LCD
Size 6.4 inches, 98.9 cm2 (~84.9% screen-to-body ratio) 6.5 inches, 102.0 cm2 (~82.1% screen-to-body ratio)
Resolution 1080 x 2400 pixels, 20:9 ratio (~411 ppi density) 720 x 1600 pixels, 20:9 ratio (~270 ppi density)
Platform
OS Android 10, One UI 2.5 Android 10, upgradable to Android 12, One UI 4.1
Chipset Mediatek MT6768 Helio P65 (12nm) Mediatek MT6765 Helio P35 (12nm)
CPU Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55) Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
GPU Mali-G52 MC2 PowerVR GE8320
Memory
Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Internal 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM 32GB 2GB RAM, 32GB 3GB RAM, 64GB 4GB RAM, 128GB 3GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
 eMMC 5.1 eMMC 5.1
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
5 MP, f/2.4, (macro)
5 MP, f/2.4, (depth)
48 MP, f/2.0, 26mm (wide), AF
5 MP, f/2.2, 123˚ (ultrawide)
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)
Features LED flash, panorama, HDR LED flash, panorama, HDR
Video 1080p@30fps 1080p@30fps
Selfie Camera
Modules 20 MP, f/2.2, (wide) 8 MP, f/2.2
Video 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 b/g/n, 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 (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, compass Fingerprint (side-mounted), accelerometer
 Virtual proximity sensing Virtual proximity sensing
Battery
Type Li-Po 5000 mAh, non-removable Li-Po 5000 mAh, non-removable
Charging 15W wired 15W wired
Misc
Colors Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White Black, White, Blue, Red
SAR EU 0.49 W/kg (head)     1.68 W/kg (body)     0.67 W/kg (head)     1.38 W/kg (body)    
Models SM-A315F, SM-A315F/DS, SM-A315G/DS, SM-A315G, SM-A315N SM-A125F/DSN, SM-A125F/DS, SM-A125F, SM-A125M, SM-A125U, SM-A125U1, SM-A125N, SM-A125W
Price $ 189.84 / £ 139.99 / € 171.77 / ₹ 12,004 $ 76.00 / C$ 148.99 / £ 87.99 / € 126.00 / ₹ 8,888
Tests
Performance AnTuTu: 151815 (v8)
GeekBench: 5096 (v4.4), 1216 (v5.1)
GFXBench: 7fps (ES 3.1 onscreen)
AnTuTu: 107189 (v8)
GeekBench: 1034 (v5.1)
GFXBench: 5fps (ES 3.1 onscreen)
Display Contrast ratio: Infinite (nominal) Contrast ratio: 1363:1 (nominal)
Camera Compare PHOTO / Compare VIDEO
Loudspeaker -30.9 LUFS (Below average) -30.4 LUFS (Below average)
Battery (old) Endurance rating 124h Endurance rating 123h

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