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| key specs | ||||
| Display | 6.7 to 7.4 | 6.53-inch | ||
| Processor | - | MediaTek Helio P70 | ||
| Front Camera | - | 16-megapixel | ||
| Rear Camera | - | 16-megapixel + 2-megapixel | ||
| RAM | - | 4GB | ||
| Storage | - | 128GB | ||
| Battery Capacity | - | 4020mAh | ||
| OS | - | Android Pie | ||
| Resolution | - | 1080x2340 pixels | ||
| general | ||||
| Brand | Oppo | Oppo | ||
| Model | X 2021 | A9 | ||
| Launched in India | No | Yes | ||
| Thickness | 8.4 | - | ||
| Release date | - | April 1, 2019 | ||
| Form factor | - | Touchscreen | ||
| Dimensions (mm) | - | 162.00 x 76.10 x 8.30 | ||
| Weight (g) | - | 190.00 | ||
| Battery capacity (mAh) | - | 4020 | ||
| Colours | - | Marble Green, Jade White, Fluorite Purple | ||
| display | ||||
| Screen size (inches) | 6.70 | 6.53 | ||
| Touchscreen | Yes | Yes | ||
| Resolution | - | 1080x2340 pixels | ||
| Protection type | - | Gorilla Glass | ||
| ratings | ||||
| Overall NDTV Rating | - | Read Review | ||
| Design Rating | - | |||
| Display Rating | - | |||
| Software Rating | - | |||
| Performance Rating | - | |||
| Battery Life Rating | - | |||
| Camera Rating | - | |||
| Value for Money Rating | - | |||
| hardware | ||||
| Processor | - | octa-core | ||
| Processor make | - | MediaTek Helio P70 | ||
| RAM | - | 4GB | ||
| Internal storage | - | 128GB | ||
| camera | ||||
| Rear camera | - | 16-megapixel (f/1.8, 1.12-micron) + 2-megapixel (f/2.4, 1.75-micron) | ||
| Rear autofocus | - | Yes | ||
| Rear flash | - | Yes | ||
| Front camera | - | 16-megapixel (f/2.0) | ||
| software | ||||
| Operating system | - | Android Pie | ||
| Skin | - | ColorOS 6.0 | ||
| connectivity | ||||
| Wi-Fi | - | Yes | ||
| Wi-Fi standards supported | - | 802.11 a | ||
| Bluetooth | - | Yes, v 4.20 | ||
| USB OTG | - | Yes | ||
| Micro-USB | - | 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 | ||
| Proximity sensor | - | Yes | ||
| Accelerometer | - | Yes | ||
| Ambient light sensor | - | Yes | ||
| Gyroscope | - | Yes | ||
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