Compare phones
| Global Score | |
| 79.9 | 83.2 |
| Basic Information | |
| Oppo | Xiaomi |
| Android 11 | -- |
| 2021-03-30 | 2019-03-06 |
| 6.43 x 2.91 x 0.33 inches | 6.20 x 2.94 x 0.30 inches |
| 6.81 ounces | 6.10 ounces |
| Blue and Gloss Black | Black, Blue and Purple |
| -- | Glass (Corning Gorilla Glass 5) and Metal |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.7 inches | 6.4 inches |
| 3216 x 1440 pixels | 2340 x 1080 pixels |
| AMOLED | AMOLED |
| 526 pixels per inch | 403 pixels per inch |
| -- | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.8 | 8.6 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 855 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 12 GB RAM | 6 GB RAM |
| Adreno 660 GPU | Adreno 640 GPU |
| 9.72 | 9.63 |
| Storage | |
| 256 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 13.3 | 10.1 |
| Camera | |
| 50.00 MP + 32.00 MP | 48.00 MP + 20.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| 0.64 inches (1/1.56") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| -- | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 12.1 | 12.1 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 10.7 | 6.3 |
| Battery Life | |
| 4500mAh Battery | 3300mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 6.32 | 5.28 |
| Other Features | |
| Bluetooth 5.2 | 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 has an overall score of 83.2, which is slightly better than the OPPO Find X3 Pro's 79.9 global score. Xiaomi Mi 9's construction is somewhat lighter and a little bit thinner than the OPPO Find X3 Pro, even though it was released many years before. The OPPO Find X3 Pro features a bit faster CPU than Xiaomi Mi 9, and although they both have 8 CPU cores, the OPPO Find X3 Pro also has 6 GB more RAM memory.
OPPO Find X3 Pro counts with a slightly better looking display than Xiaomi Mi 9, because it has a better resolution of 1440 x 3216px, more pixels per inch of display and a little bit larger display. The Xiaomi Mi 9's camera is just as good as the OPPO Find X3 Pro one, and although the Xiaomi Mi 9 has a worse video definition, a lesser megapixels resolution camera and a way smaller back-facing camera sensor, they both have a same size aperture.
The OPPO Find X3 Pro has a superior storage for games and applications than Xiaomi Mi 9, because it has 256 GB internal memory capacity. The OPPO Find X3 Pro features greater battery lifetime than Xiaomi Mi 9, because it has a 36% greater battery capacity.
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