
Samsung Galaxy M31 Prime vs Samsung Galaxy M31 vs Xiaomi Redmi Note 9 Pro



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Last Updated: Sun, 1 Nov'20
General
- Bluetooth5.0, A2DP, LE5.0, A2DP, LE5.0, A2DP, LE
Design
- Height6.26 inches6.29 inches6.53 inches
- Width2.95 inches2.96 inches3.02 inches
- Thickness0.35 inches0.35 inches0.35 inches
- Weight191 g191 g209 g
- ColorOcean Blue, Space Black, Iceberg BlueOcean Blue, Space BlackAurora Blue, Glacier White, Interstellar Black
- BuildGlass front (Gorilla Glass 3), plastic back, plastic frameGlass front (Gorilla Glass 3), plastic back, plastic frameGlass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame
Display
- Screen Size6.4 inches6.4 inches6.67 inches
- Display TypeSuper AMOLEDSuper AMOLED capacitive touchscreenIPS LCD capacitive touchscreen
- Display Resolution1080 x 2340 pixels1080 x 2340 pixels1080 x 2400 pixels
- Pixel Density403 ppi411 ppi395 ppi
- Aspect Ratio19.5:919.5:920:09
- ProtectionCorning Gorilla Glass 3Corning Gorilla Glass 3Corning Gorilla Glass 5
- Screen to Body Ratio84.10%84.1%84.50%
Performance
- OSAndroid 10, One UI 2.1Android 10, One UI 2.5Android 10.0 MIUI 11
- GPUMali-G72 MP3Mali-G72 MP3Adreno 618
- Chipset GPExynos 9611 (10nm)Exynos 9611 (10nm)Qualcomm SM7125 Snapdragon 720G (8 nm)
- CPUOcta-core (4x2.3 GHz Cortex-A73, 4x1.7 GHz Cortex-A53)Octa-core (4x2.3 GHz Cortex-A73 4x1.7 GHz Cortex-A53)Octa-core (2x2.3 GHz Kryo 465 Gold and 6x1.8 GHz Kryo 465 Silver)
Memory & Storage
- RAM/Internal Storage128GB 6GB RAM64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM64GB 4GB RAM, 128GB 6GB RAM, 128GB 4GB RAM
- Expandable MemorymicroSDXC (dedicated slot), Up to 512GBmicroSDXC (dedicated slot)microSDXC (dedicated slot)
Back Camera
- Quad Camera64 MP, f/1.8, 26mm (wide), 1/1.72, 0.8 micron|8 MP, f/2.2, 123degree (ultrawide), 1/4.0, 1.12 micron|5 MP, f/2.4, (macro)|5 MP, f/2.2, (depth)48 MP, f/1.8, (wide), 1/2.25", 0.8micron, PDAF | 8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12micron | 5 MP, f/2.4, (macro), 1.12micron | 2 MP, f/2.4, (depth)
- AutofocusPDAFPDAFPDAF
- Back Camera Video4K30fps, 1080p30fps, gyro-EIS2160p30fps, 1080p30fps, gyro-EIS4K30fps, 1080p30/60/120fps, 720p960fps, gyro-EIS
- Back Camera FeaturesLED flash, panorama, HDRLED flash, panorama, HDRLED flash, HDR, panorama
- 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)
Front Camera
- Single Camera32 MP, f/2.0, 26mm (wide), 1/2.8, 0.8 micron32 MP, f/2.0, 26mm (wide), 1/2.8, 0.8 micron16 MP, f/2.5, (wide), 1.0micron
- Front Camera Video4K30fps, 1080p30fps1080p30fps1080p30fps
- Front Camera FeaturesHDRHDRHDR, panorama
Sound
- HeadPhone JackYesYesYes
- LoudspeakerYesYesYes
- Audio FeaturesDolby AtmosDolby Atmos
Battery
- Battery Capacity6000 mAh battery6000 mAh battery5020 mAh battery
- User Replaceablenon-removableNon-removableNon-removable
- Talk TimeUp to 48 hours (4G LTE)
- Music TimeUp to 119 hours
- ChargingFast charging 15WFast battery charging 15WFast charging 18W
- Battery TypeLi-PoLi-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, hotspotWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
- GPSYes, with A-GPS, GLONASS, GALILEO, BDSYes, with A-GPS, GLONASS, BDSYes, with A-GPS, GLONASS, GALILEO, BDS, NavIC
- RadioFM radio, RDS, recordingFM radio, RDS, recordingFM radio, recording
- USBUSB Type-C 2.02.0, Type-C 1.0 reversible connector2.0, Type-C 1.0 reversible connector
- NFCNoNo
- SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
- Network SupportGSM / HSPA / LTEGSM / HSPA / LTEGSM / HSPA / LTE
Miscellaneous Features
- SensorsFingerprint (rear-mounted), Accelerometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor, Virtual Proximity SensingFingerprint (rear-mounted), accelerometer, gyro, proximity, compassFingerprint (side-mounted), accelerometer, gyro, proximity, compass
Launch
- Announced On2020, October 142020, February 252020, March 12
- StatusAvailable. Released 2020, October 16Available. Released 2020, March 04Available. Released 2020, March 17