Oppo A3 vs Xiaomi Mi 6X vs Oppo F7 comparison
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| key specs |
| Display | 6.20-inch | 5.99-inch | 6.23-inch |
| Processor | MediaTek Helio P60 | Qualcomm Snapdragon 660 | MediaTek Helio P60 |
| Front Camera | 8-megapixel | 20-megapixel | 25-megapixel |
| Rear Camera | 16-megapixel | 12-megapixel + 20-megapixel | 16-megapixel |
| RAM | 4GB | 4GB | 4GB |
| Storage | 128GB | 64GB | 64GB |
| Battery Capacity | 3400mAh | 3010mAh | 3400mAh |
| OS | Android 8.1 | Android 8.1 Oreo | Android 8.1 |
| Resolution | 1080x2280 pixels | 1080x2160 pixels | 1080x2280 pixels |
| general |
| Brand | Oppo | Xiaomi | Oppo |
| Model | A3 | Mi 6X | F7 |
| Release date | April 1, 2018 | April 1, 2018 | March 1, 2018 |
| Form factor | Touchscreen | Touchscreen | Touchscreen |
| Dimensions (mm) | 156.00 x 75.30 x 7.80 | 158.70 x 75.40 x 7.30 | 156.00 x 75.30 x 7.80 |
| Weight (g) | 159.00 | 168.00 | 158.00 |
| Battery capacity (mAh) | 3400 | 3010 | 3400 |
| Colours | Knight Black, Soybean Meal, Stardust Silver, Garnet Red | Red, Gold, Rose Gold, Blue, Black | Diamond Black, Moonlight Silver, Solar Red, |
| Launched in India | - | - | Yes |
| Removable battery | - | - | No |
| SAR value | - | - | 1.27 |
| display |
| Screen size (inches) | 6.20 | 5.99 | 6.23 |
| Touchscreen | Yes | Yes | Yes |
| Resolution | 1080x2280 pixels | 1080x2160 pixels | 1080x2280 pixels |
| Aspect ratio | 19:9 | 18:9 | 19:9 |
| Pixels per inch (PPI) | - | 403 | 405 |
| Protection type | - | - | Gorilla Glass |
| hardware |
| Processor | 2GHz octa-core | octa-core (4x2.2GHz + 4x1.8GHz) | octa-core (4x2GHz + 4x2GHz) |
| Processor make | MediaTek Helio P60 (MT6771) | Qualcomm Snapdragon 660 | MediaTek Helio P60 (MT6771) |
| RAM | 4GB | 4GB | 4GB |
| Internal storage | 128GB | 64GB | 64GB |
| Expandable storage | Yes | - | Yes |
| Expandable storage type | microSD | - | microSD |
| Expandable storage up to (GB) | 256 | - | 256 |
| camera |
| Rear camera | 16-megapixel (f/1.8) | 12-megapixel (f/1.8, 1.25-micron) + 20-megapixel (f/1.8, 1.0-micron) | 16-megapixel (f/1.8) |
| Rear flash | Yes | Dual LED | LED |
| Front camera | 8-megapixel (f/2.2) | 20-megapixel (f/1.8) | 25-megapixel (f/2.0) |
| Rear autofocus | - | Phase detection autofocus | Phase detection autofocus |
| Front flash | - | LED | No |
| software |
| Operating system | Android 8.1 | Android 8.1 Oreo | Android 8.1 |
| Skin | ColorOS 5.0 | MIUI 9.5 | ColorOS 5.0 |
| connectivity |
| Wi-Fi | Yes | Yes | Yes |
| GPS | Yes | Yes | Yes |
| Bluetooth | Yes, v 4.20 | Yes, v 5.00 | Yes, v 4.20 |
| USB OTG | Yes | - | Yes |
| Headphones | 3.5mm | No | 3.5mm |
| Number of SIMs | 2 | 2 | 2 |
| Wi-Fi standards supported | - | 802.11 a/b/g/n/ac | 802.11 b/g/n/ac |
| Infrared | - | Yes | No |
| USB Type-C | - | Yes | - |
| FM | - | No | Yes |
| Wi-Fi Direct | - | Yes | Yes |
| NFC | - | - | No |
| sim 1 |
| SIM Type | Nano-SIM | Nano-SIM | Nano-SIM |
| GSM/CDMA | GSM | GSM | GSM |
| 3G | Yes | Yes | Yes |
| 4G/ LTE | Yes | Yes | Yes |
| sim 2 |
| SIM Type | Nano-SIM | Nano-SIM | Nano-SIM |
| GSM/CDMA | GSM | GSM | GSM |
| 3G | Yes | Yes | Yes |
| 4G/ LTE | Yes | Yes | Yes |
| sensors |
| Proximity sensor | Yes | Yes | Yes |
| Ambient light sensor | Yes | Yes | Yes |
| Gyroscope | Yes | Yes | Yes |
| Fingerprint sensor | - | Yes | Yes |
| Compass/ Magnetometer | - | Yes | Yes |
| Accelerometer | - | Yes | Yes |
| ratings |
| Overall NDTV Rating | - | - | Read Review |
| Design Rating | - | - | |
| Display Rating | - | - | |
| Software Rating | - | - | |
| Performance Rating | - | - | |
| Battery Life Rating | - | - | |
| Camera Rating | - | - | |
| Value for Money Rating | - | - | |