Samsung Galaxy M31 vs Xiaomi Mi 9 Pro
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Last Updated: Fri, 11 Sep'20
General
- Bluetooth5.0, A2DP, LE5.0, A2DP, LE, aptX HD
Design
- Height6.29 inches6.19 inches
- Width2.96 inches2.94 inches
- Thickness0.35 inches0.33 inches
- Weight191 g196 g
- ColorOcean Blue, Space Black, RedDream White, Titanium Black
- BuildGlass front (Gorilla Glass 3), plastic back, plastic frameBack glass (Gorilla Glass 6), aluminum frame (7000 series)
Display
- Screen Size6.4 inches6.39 inches
- Display TypeSuper AMOLED capacitive touchscreenSuper AMOLED capacitive touchscreen
- Display Resolution1080 x 2340 pixels1080 x 2340 pixels
- Pixel Density411 ppi403 ppi
- Aspect Ratio19.5:919.5:9
- ProtectionCorning Gorilla Glass 3Corning Gorilla Glass 6
- Screen to Body Ratio84.1%85.50%
Performance
- GPUMali-G72 MP3Adreno 640 (700 MHz)
- OSAndroid 10.0 One UI 2.0Android 10 MIUI 11
- Chipset GPExynos 9611 (10nm)Qualcomm SDM855 Snapdragon 855 (7 nm)
- CPUOcta-core (4x2.3 GHz Cortex-A73 4x1.7 GHz Cortex-A53)Octa-core (1x2.96 GHz Kryo 485 3x2.42 GHz Kryo 485 4x1.8 GHz Kryo 485)
Memory & Storage
- RAM/Internal Storage64GB 6GB RAM, 128GB 6GB RAM128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM
- Expandable MemorymicroSDXC (dedicated slot)No
Back Camera
- Triple Camera64 MP, f/1.8, 26mm (wide), 1/1.72, 0.8 micron|8 MP, f/2.2, 12mm (ultrawide), 1/4.0, 1.12 micron|5 MP, f/2.2, 25mm (macro), 1/5.0, 1.12 micron|5 MP, f/2.2, (depth)48 MP, f/1.8, 27mm (wide), 1/2, 0.8 micron|12 MP, f/2.2, 54mm (telephoto), 1/3.6, 1.0 micron, 2x optical zoom|16 MP, f/2.2, 13mm (ultrawide), 1/3.0, 1.0 micron
- AutofocusPDAFPDAF, Laser AF, PDAF, Laser AF, PDAF, Laser AF
- Back Camera Video2160p30fps, 1080p30fps, gyro-EIS2160p30/60fps, 1080p30/120/240fps, 1080p960fps
- Back Camera FeaturesLED flash, panorama, HDRDual-LED flash, HDR, panorama
Front Camera
- Single Camera32 MP, f/2.0, 26mm (wide), 1/2.8, 0.8 micron20 MP, f/2.0, 0.9 micron
- Front Camera Video1080p30fps1080p30fps
- Front Camera FeaturesHDRHDR
Sound
- HeadPhone JackYesYes
- LoudspeakerYesYes
- Audio FeaturesDolby AtmosActive noise cancellation with dedicated mic
Battery
- Battery Capacity6000 mAh battery4000 mAh battery
- User ReplaceableNon-removableNon-removable
- ChargingFast battery charging 15WFast battery charging 40W (Quick Charge 4)|Fast wireless charging 30W|Power bank/Reverse wireless charging 10W
- Battery TypeLi-PoLi-Po
Communications
- WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspotWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot
- GPSYes, with A-GPS, GLONASS, BDSYes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS
- RadioFM radio, RDS, recordingNo
- USB2.0, Type-C 1.0 reversible connector2.0, Type-C 1.0 reversible connector, USB On-The-Go
- SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
- Network SupportGSM / HSPA / LTEGSM / CDMA / HSPA / LTE
- NFCYes
Miscellaneous Features
- SensorsFingerprint (rear-mounted), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass
Launch
- Announced On2020, February 252019, September
- StatusAvailable. Released 2020, March 5Available. Released 2019, September
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