Samsung Galaxy M31 vs OPPO A9
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Last Updated: Mon, 7 Sep'20
Basic Information
General
- Bluetooth5.0, A2DP, LE4.2, A2DP, LE
Design
- Height6.29 inches6.38 inches
- Width2.96 inches3.00 inches
- Thickness0.35 inches0.33 inches
- Weight191 g190 g
- ColorOcean Blue, Space Black, RedFluorite Purple, Marble Green
- BuildGlass front (Gorilla Glass 3), plastic back, plastic frameGlass front (Gorilla Glass 5), plastic back, plastic frame
Display
- Screen Size6.4 inches6.53 inches
- Display TypeSuper AMOLED capacitive touchscreenLTPS IPS LCD capacitive touchscreen
- Display Resolution1080 x 2340 pixels1080 x 2340 pixels
- Pixel Density411 ppi395 ppi
- Aspect Ratio19.5:919.5:9
- ProtectionCorning Gorilla Glass 3Corning Gorilla Glass 5
- Screen to Body Ratio84.1%84.90%
Performance
- GPUMali-G72 MP3Mali-G72 MP3
- OSAndroid 10.0 One UI 2.0Android 9.0 (Pie) ColorOS 6
- Chipset GPExynos 9611 (10nm)Mediatek MT6771V Helio P70 (12nm)
- CPUOcta-core (4x2.3 GHz Cortex-A73 4x1.7 GHz Cortex-A53)Octa-core (4x2.1 GHz Cortex-A73 4x2.0 GHz Cortex-A53)
Memory & Storage
- RAM/Internal Storage64GB 6GB RAM, 128GB 6GB RAM128 GB, 4 GB RAM
- Expandable MemorymicroSDXC (dedicated slot)microSD, up to 256 GB
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)
- AutofocusPDAFAF
- Back Camera Video2160p30fps, 1080p30fps, gyro-EIS1080p30fps
- Back Camera FeaturesLED flash, panorama, HDRDual-LED dual-tone flash, panorama, HDR
- Dual Camera16 MP, f/1.8|2 MP, f/2.4, depth sensor
Front Camera
- Single Camera32 MP, f/2.0, 26mm (wide), 1/2.8, 0.8 micron16 MP, f/2.0
- Front Camera Video1080p30fps1080p30fps
- Front Camera FeaturesHDRHDR
Sound
- HeadPhone JackYesYes
- LoudspeakerYesYes
- Audio FeaturesDolby AtmosActive noise cancellation with dedicated mic
Battery
- Battery Capacity6000 mAh battery4020 mAh
- User ReplaceableNon-removableNon-removable
- ChargingFast battery 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, WiFi Direct, hotspot
- GPSYes, with A-GPS, GLONASS, BDSYes, with A-GPS, GLONASS, BDS
- RadioFM radio, RDS, recordingFM radio
- USB2.0, Type-C 1.0 reversible connectormicroUSB 2.0, 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 (rear-mounted), accelerometer, gyro, proximity, compass
Launch
- Announced On2020, February 252019, April
- StatusAvailable. Released 2020, March 5Available. Released 2019, April
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