Oppo A9 vs Mi A1 comparison
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| ratings |
| Overall NDTV Rating | Read Review | Read Review |
| Design Rating | | |
| Display Rating | | |
| Software Rating | | |
| Performance Rating | | |
| Battery Life Rating | | |
| Camera Rating | | |
| Value for Money Rating | | |
| key specs |
| Display | 6.53-inch | 5.50-inch |
| Processor | MediaTek Helio P70 | Qualcomm Snapdragon 625 |
| Front Camera | 16-megapixel | 5-megapixel |
| Rear Camera | 16-megapixel + 2-megapixel | 12-megapixel |
| RAM | 4GB | 4GB |
| Storage | 128GB | 64GB |
| Battery Capacity | 4020mAh | 3080mAh |
| OS | Android Pie | Android 7.1.2 |
| Resolution | 1080x2340 pixels | 1080x1920 pixels |
| general |
| Brand | Oppo | Xiaomi |
| Model | A9 | Mi A1 |
| Release date | April 1, 2019 | September 1, 2017 |
| Launched in India | Yes | Yes |
| Form factor | Touchscreen | Touchscreen |
| Dimensions (mm) | 162.00 x 76.10 x 8.30 | 155.40 x 75.80 x 7.30 |
| Weight (g) | 190.00 | 165.00 |
| Battery capacity (mAh) | 4020 | 3080 |
| Colours | Marble Green, Jade White, Fluorite Purple | Rose Gold, Gold, Black |
| Removable battery | - | No |
| display |
| Screen size (inches) | 6.53 | 5.50 |
| Touchscreen | Yes | Yes |
| Resolution | 1080x2340 pixels | 1080x1920 pixels |
| Protection type | Gorilla Glass | - |
| Aspect ratio | - | 16:9 |
| hardware |
| Processor | octa-core | 2GHz octa-core |
| Processor make | MediaTek Helio P70 | Qualcomm Snapdragon 625 |
| RAM | 4GB | 4GB |
| Internal storage | 128GB | 64GB |
| Expandable storage | - | Yes |
| Expandable storage type | - | microSD |
| Expandable storage up to (GB) | - | 128 |
| camera |
| Rear camera | 16-megapixel (f/1.8, 1.12-micron) + 2-megapixel (f/2.4, 1.75-micron) | 12-megapixel |
| Rear autofocus | Yes | - |
| Rear flash | Yes | Dual LED |
| Front camera | 16-megapixel (f/2.0) | 5-megapixel |
| software |
| Operating system | Android Pie | Android 7.1.2 |
| Skin | ColorOS 6.0 | - |
| connectivity |
| Wi-Fi | Yes | Yes |
| Wi-Fi standards supported | 802.11 a | 802.11 a/b/g/n/ac |
| Bluetooth | Yes, v 4.20 | Yes, v 4.20 |
| USB OTG | Yes | Yes |
| Micro-USB | Yes | - |
| Number of SIMs | 2 | 2 |
| GPS | - | Yes |
| NFC | - | No |
| Infrared | - | Yes |
| USB Type-C | - | Yes |
| Headphones | - | 3.5mm |
| FM | - | No |
| Wi-Fi Direct | - | No |
| Mobile High-Definition Link (MHL) | - | No |
| sim 1 |
| SIM Type | Nano-SIM | Nano-SIM |
| GSM/CDMA | GSM | GSM |
| 3G | Yes | Yes |
| 4G/ LTE | Yes | Yes |
| sim 2 |
| SIM Type | Nano-SIM | Nano-SIM |
| GSM/CDMA | GSM | GSM |
| 3G | Yes | Yes |
| 4G/ LTE | Yes | Yes |
| sensors |
| Face unlock | Yes | - |
| Fingerprint sensor | Yes | Yes |
| Compass/ Magnetometer | Yes | Yes |
| Proximity sensor | Yes | Yes |
| Accelerometer | Yes | Yes |
| Ambient light sensor | Yes | Yes |
| Gyroscope | Yes | Yes |
| Barometer | - | No |
| Temperature sensor | - | No |