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Samsung Galaxy M31

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Network Technology GSM / HSPA / LTE GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
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, 28, 38, 40, 41
Speed HSPA, LTE HSPA, LTE
Launch Announced 2020, February 25 2020, May 15
Status Available. Released 2020, March 05 Available. Released 2020, June 02
Body Dimensions 159.2 x 75.1 x 8.9 mm (6.27 x 2.96 x 0.35 in) 163.7 x 75.3 x 8.9 mm (6.44 x 2.96 x 0.35 in)
3D size compare
Size up
Weight 191 g (6.74 oz) 192 g (6.77 oz)
Build Glass front (Gorilla Glass 3), plastic back, plastic frame Glass front, plastic frame, plastic back
SIM Nano-SIM + Nano-SIM Nano-SIM
Nano-SIM + Nano-SIM
Display Type Super AMOLED, 420 nits (peak) PLS LCD
Size 6.4 inches, 100.5 cm2 (~84.1% screen-to-body ratio) 6.5 inches, 102.0 cm2 (~82.8% screen-to-body ratio)
Resolution 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density) 720 x 1600 pixels, 20:9 ratio (~270 ppi density)
Protection Corning Gorilla Glass 3
Platform OS Android 10, upgradable to Android 12, One UI 4.1 Android 10, upgradable to Android 12, One UI 4.1
Chipset Exynos 9611 (10 nm) Exynos 850 (8 nm)
CPU Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) Octa-core (4x2.0 GHz Cortex-A55 & 4x2.0 GHz Cortex-A55)
GPU Mali-G72 MP3 Mali-G52
Memory Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Internal 64GB 6GB RAM, 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 64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF
8 MP, f/2.2, 123˚ (ultrawide), 1/4.0", 1.12µm
5 MP, f/2.4, (macro)
5 MP, f/2.2, (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@30fps, gyro-EIS 1080p@30fps
Selfie Camera Modules 32 MP, f/2.0, 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 (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 USB Type-C 2.0
Features Sensors Fingerprint (rear-mounted), accelerometer, gyro, compass Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
 Virtual proximity sensing
Battery Type Li-Po 6000 mAh Li-Po 5000 mAh
Charging 15W wired 15W wired
Misc
Colors Ocean Blue, Space Black, Red Black, White, Blue, Red
SAR 0.52 W/kg (head)     0.69 W/kg (body)    
SAR EU 0.48 W/kg (head)     1.13 W/kg (body)     0.42 W/kg (head)     1.54 W/kg (body)    
Models SM-M315F, SM-M315F/DS, SM-M315F/DSN SM-A217F, SM-A217F/DS, SM-A217F/DSN, SM-A217M, SM-A217M/DS, SM-A217N
Price About 310 EUR About 220 EUR
Tests Performance AnTuTu: 107157 (v8)
GeekBench: 1100 (v5.1)
GFXBench: 11fps (ES 3.1 onscreen)
Display 1287:1 contrast ratio, 490 nits max brightness (measured)
Loudspeaker -30.0 LUFS (Average)
Battery (old) Endurance rating 119h

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