Oppo A31 (2020) vs Samsung Galaxy A8 (2018) comparison
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| key specs |
| Display | 6.50-inch | 5.60-inch |
| Processor | MediaTek Helio P35 | 1.6GHz octa-core |
| Front Camera | 8-megapixel | 16-megapixel |
| Rear Camera | 12-megapixel + 2-megapixel + 2-megapixel | 16-megapixel |
| RAM | 4GB | 4GB |
| Storage | 64GB | 32GB |
| Battery Capacity | 4230mAh | 3000mAh |
| OS | Android 9 | Android 7.1.1 |
| Resolution | 720x1600 pixels | 1080x2220 pixels |
| general |
| Brand | Oppo | Samsung |
| Model | A31 (2020) | Galaxy A8 (2018) |
| Release date | February 14, 2020 | December 1, 2017 |
| Launched in India | Yes | - |
| Form factor | Touchscreen | Touchscreen |
| Body type | Plastic | - |
| Dimensions (mm) | 163.90 x 75.50 x 8.30 | 149.20 x 70.60 x 8.40 |
| Weight (g) | 180.00 | 172.00 |
| Battery capacity (mAh) | 4230 | 3000 |
| Removable battery | No | - |
| Colours | Mystery Black, Fantasy White | Black, Orchid Grey, Gold, Blue |
| display |
| Screen size (inches) | 6.50 | 5.60 |
| Touchscreen | Yes | Yes |
| Resolution | 720x1600 pixels | 1080x2220 pixels |
| Aspect ratio | 20:9 | - |
| hardware |
| Processor | 2.3GHz octa-core | 1.6GHz octa-core |
| Processor make | MediaTek Helio P35 (MT6765) | - |
| RAM | 4GB | 4GB |
| Internal storage | 64GB | 32GB |
| Expandable storage | Yes | Yes |
| Expandable storage type | microSD | microSD |
| Expandable storage up to (GB) | 256 | 256 |
| Dedicated microSD slot | Yes | - |
| camera |
| Rear camera | 12-megapixel (f/1.8) + 2-megapixel (f/2.4, 1.75-micron) + 2-megapixel (f/2.4, 1.75-micron) | 16-megapixel |
| Rear autofocus | Yes | - |
| Rear flash | Yes | LED |
| Front camera | 8-megapixel (f/2.0) | 16-megapixel |
| Pop-Up Camera | No | - |
| Front autofocus | No | - |
| Front flash | No | - |
| software |
| Operating system | Android 9 | Android 7.1.1 |
| Skin | ColorOS 6.1.2 | - |
| connectivity |
| Wi-Fi | Yes | Yes |
| Wi-Fi standards supported | 802.11 a/b/g/n/ac | 802.11 a/b/g/n/ac |
| GPS | Yes | Yes |
| Bluetooth | Yes, v 5.00 | Yes, v 5.00 |
| NFC | No | Yes |
| Micro-USB | Yes | - |
| Headphones | 3.5mm | 3.5mm |
| FM | Yes | - |
| Number of SIMs | 2 | - |
| sim 1 |
| SIM Type | Nano-SIM | - |
| GSM/CDMA | GSM | - |
| 3G | Yes | - |
| 4G/ LTE | Yes | - |
| sim 2 |
| SIM Type | Nano-SIM | - |
| GSM/CDMA | GSM | - |
| 3G | Yes | - |
| 4G/ LTE | Yes | - |
| sensors |
| Face unlock | Yes | - |
| Fingerprint sensor | Yes | - |
| Compass/ Magnetometer | Yes | Yes |
| Proximity sensor | Yes | Yes |
| Accelerometer | Yes | Yes |
| Ambient light sensor | Yes | - |
| Gyroscope | - | Yes |
| Barometer | - | Yes |