Samsung Galaxy M31s vs Samsung Galaxy A51
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Last Updated: Wed, 26 Aug'20
General
- Bluetooth5.0, A2DP, LE5.0, A2DP, LE
Design
- Height6.27 inches6.24 inches
- Width2.92 inches2.90 inches
- Thickness0.36 inches0.31 inches
- Weight203 g172 g
- ColorMirage Black, Mirage BluePrism Crush Black, Prism Crush White, Prism Crush Blue
- BuildGlass front (Gorilla Glass 3), plastic back, plastic frame
Display
- Screen Size6.5 inches6.5 inches
- Display TypeSuper AMOLED capacitive touchscreenSuper AMOLED capacitive touchscreen
- Display Resolution1080 x 2400 pixels1080 x 2400 pixels
- Pixel Density405 ppi405 ppi
- Aspect Ratio20:0920:9
- ProtectionCorning Gorilla Glass 3Corning Gorilla Glass 3
- Screen to Body Ratio91 %87.4%
Performance
- OSAndroid 10, One UI 2.5Android 10, One UI 2.1
- GPUMali-G72 MP3Mali-G72 MP3
- Chipset GPSamsung Exynos 9 Octa 9611Exynos 9611 (10nm)
- CPUOcta core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)Octa-core (4x2.3 GHz Cortex-A73 4x1.7 GHz Cortex-A53)
Memory & Storage
- RAM/Internal Storage128GB 6GB RAM, 128GB 8GB RAM128GB 6GB RAM, 128GB 8GB RAM
- Expandable MemorymicroSDXC (dedicated slot), Up to 512 GBmicroSDXC (dedicated slot)
Back Camera
- Quad Camera64 MP, f/1.8, 26mm (wide), 1/1.72, 0.8 micron|12 MP, f/2.2, 123degree (ultrawide)|5 MP, f/2.4, (macro)|5 MP, f/2.4, (depth)48 MP, f/2.0, 26mm (wide), 1/2.0, 0.8 micron|12 MP, f/2.2, 12mm (ultrawide)|5 MP, f/2.4, 25mm (macro), 1/5.0, 1.12 micron|5 MP, f/2.2, (depth)
- AutofocusPDAFPDAF
- OISNo
- Back Camera Video4K30fps, 1080p30fps, gyro-EIS4K30fps, 1080p30/120fps; gyro-EIS
- Back Camera FeaturesLED flash, panorama, HDRLED flash, panorama, HDR
Front Camera
- Single Camera32 MP, f/2.0, 26mm (wide), 1/2.8, 0.8 micron32 MP, f/2.2, 26mm (wide), 1/2.8, 0.8 micron
- Front Camera Video4K30fps, 1080p30fps1080p30fps
- Front Camera FeaturesHDRHDR
Sound
- HeadPhone JackYesYes
- LoudspeakerYesYes
- Audio FeaturesDolby AtmosDolby Atmos
Battery
- Battery Capacity6000 mAh battery4000 mAh battery
- User ReplaceableNon-removableNon-removable
- Talk TimeUp to 51 Hours (4G LTE)Up to 32 (Hours 4G LTE)
- Music TimeUp to 125 Hours Audio Playback TimeUp to 87 (Hours)
- ChargingFast charging 25W|Reverse chargingFast charging 15W
- 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, hotspot
- GPSYes, with A-GPS, GLONASS, GALILEO, BDSYes, with A-GPS, GLONASS, GALILEO, BDS
- RadioFM radio, RDS, recordingFM radio
- USB2.0, Type-C 1.0 reversible connector, USB On-The-Go2.0, Type-C 1.0 reversible connector, USB On-The-Go
- NFCNoYes
- SIMDual SIM (Nano-SIM, dual stand-by)Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
- Network SupportGSM / HSPA / LTEGSM / HSPA / LTE
Miscellaneous Features
- SensorsFingerprint (side-mounted), Accelerometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor, Virtual Proximity SensingFingerprint (under display, Accelerometer, Fingerprint Sensor, Gyro Sensor, Geomagnetic Sensor, Hall Sensor, Light Sensor, Virtual Proximity Sensing
Launch
- Announced On2020, July 302019, December
- StatusAvailable. Released 2020, July 30Available. Released 2020, January 29
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