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Samsung Galaxy M31

Xiaomi Redmi Note 9 Pro

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Samsung Galaxy M31
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Samsung Galaxy M31

Xiaomi Redmi Note 9 Pro

Network
Technology GSM / HSPA / LTE GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 66 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41
Speed HSPA 42.2/5.76 Mbps, LTE-A HSPA 42.2/5.76 Mbps, LTE-A
Launch
Announced 2020, February 25 2020, April 30
Status Available. Released 2020, March 05 Available. Released 2020, May 05
Body
Dimensions 159.2 x 75.1 x 8.9 mm (6.27 x 2.96 x 0.35 in) 165.8 x 76.7 x 8.8 mm (6.53 x 3.02 x 0.35 in)
Weight 191 g (6.74 oz) 209 g (7.37 oz)
Build Glass front (Gorilla Glass 3), plastic back, plastic frame Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame
SIM Dual SIM (Nano-SIM, dual stand-by) Dual SIM (Nano-SIM, dual stand-by)
Display
Type Super AMOLED capacitive touchscreen, 16M colors IPS LCD capacitive touchscreen, 16M colors
Size 6.4 inches, 100.5 cm2 (~84.1% screen-to-body ratio) 6.67 inches, 107.4 cm2 (~84.5% screen-to-body ratio)
Resolution 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density) 1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
Protection Corning Gorilla Glass 3 Corning Gorilla Glass 5
Platform
OS Android 10, One UI 2.1 Android 10, MIUI 11
Chipset Exynos 9611 (10nm) Qualcomm SM7125 Snapdragon 720G (8 nm)
CPU Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver)
GPU Mali-G72 MP3 Adreno 618
Memory
Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Internal 64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM 64GB 6GB RAM, 128GB 6GB RAM
 UFS 2.1 UFS 2.1
Main Camera
Modules 64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF
8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm
5 MP, f/2.4, (macro)
5 MP, f/2.2, (depth)
64 MP, f/1.9, 26mm (wide), 1/1.72", 0.8µm, PDAF
8 MP, f/2.2, 119˚ (ultrawide), 1/4.0", 1.12µm
5 MP, f/2.4, (macro), AF
2 MP, f/2.4, (depth)
Features LED flash, panorama, HDR LED flash, HDR, panorama
Video 4K@30fps, 1080p@30fps, gyro-EIS 4K@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS
Selfie Camera
Modules 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm 16 MP, f/2.5, (wide), 1/3.06" 1.0µm
Features HDR HDR, panorama
Video 4K@30fps, 1080p@30fps 1080p@30/120fps
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 (market/region dependent): SM-M315F/DSN Yes
Infrared port No Yes
Radio FM radio, RDS, recording FM radio, recording
USB 2.0, Type-C 1.0 reversible connector 2.0, Type-C 1.0 reversible connector, USB On-The-Go
Features
Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Battery
Type Li-Po 6000 mAh, non-removable Li-Po 5020 mAh, non-removable
Charging Fast charging 15W Fast charging 30W
Stand-by
Talk time
Misc
Colors Ocean Blue, Space Black, Red Tropical Green, Glacier White, Interstellar Gray
SAR 0.52 W/kg (head)     0.69 W/kg (body)     0.87 W/kg (head)     0.71 W/kg (body)    
SAR EU 0.48 W/kg (head)     1.13 W/kg (body)     0.66 W/kg (head)     1.02 W/kg (body)    
Models SM-M315F, SM-M315F/DS, SM-M315F/DSN M2003J6B2G
Price $ 267.15 / € 262.22 / £ 229.90 / ₹ 16,499 $ 215.00 / € 199.00 / £ 204.99
Tests
Performance AnTuTu: 279625 (v8)
GeekBench: 1785 (v5.1)
GFXBench: 15fps (ES 3.1 onscreen)
Display Contrast ratio: 1285:1 (nominal)
Loudspeaker -28.6 LUFS (Average)
Battery life Endurance rating 123h

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