Compare phones
| Global Score | |
| 73.9 | 83.2 |
| Basic Information | |
| Oppo | Xiaomi |
| Android 10, 9.0 Pie | -- |
| 2019-10-18 | 2019-03-06 |
| 6.30 x 2.93 x 0.37 inches | 6.20 x 2.94 x 0.30 inches |
| 6.67 ounces | 6.10 ounces |
| Luminous black, Ocean blue and Sunset pink | Black, Blue and Purple |
| Aluminum and Glass (Corning Gorilla Glass 5) | Glass (Corning Gorilla Glass 5) and Metal |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.5 inches | 6.4 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| AMOLED | AMOLED |
| 405 pixels per inch | 403 pixels per inch |
| -- | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 8.6 |
| Performance | |
| Qualcomm Snapdragon 730G SM7150-AB chipset | Qualcomm Snapdragon 855 chipset |
| Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 8 GB RAM | 6 GB RAM |
| Adreno 618 GPU | Adreno 640 GPU |
| 9.27 | 9.63 |
| Storage | |
| 256 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 17.34 | 10.1 |
| Camera | |
| 48.00 MP + 16.00 MP | 48.00 MP + 20.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 28.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 1920 x 1080 (60 fps) (Full HD) slow motion video | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 11.55 | 12.1 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.7 | 6.3 |
| Battery Life | |
| 4000mAh Battery | 3300mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 5.28 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Xiaomi Mi 9 is better than the OPPO Reno2, with an 83.2 score against 73.9. Even when the Xiaomi Mi 9 and the OPPO Reno2 were only released 8 months apart, the Xiaomi Mi 9 is thinner and just a bit lighter. Xiaomi Mi 9 counts with a little bit better hardware performance than OPPO Reno2, although it has a lower amount of RAM memory, they both have the same number of cores.
The Xiaomi Mi 9 has a bit better looking screen than OPPO Reno2, although it has a bit smaller display, a bit worse resolution of 1080 x 2340 and a just a bit lower screen density. Xiaomi Mi 9 captures slightly better photos and videos than OPPO Reno2, because although it has a smaller aperture which is not nice for low-light captures, and they both have the same video quality, a back-facing camera with a 48 MP and the same sensor size, the Xiaomi Mi 9 also counts with higher 60 fps video frame rates.
OPPO Reno2 features a much greater storage capacity to install applications and games than Xiaomi Mi 9, because it has 256 GB internal memory and a SD card slot that allows up to 512 GB. OPPO Reno2 has superior battery lifetime than Xiaomi Mi 9, because it has a 4000mAh battery size.
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