Compare phones
| Global Score | |
| 83.8 | 76.6 |
| Basic Information | |
| Xiaomi | OnePlus |
| -- | Android 11 |
| 2018-11-01 | 2021-04-02 |
| 6.22 x 2.94 x 0.33 inches | 6.43 x 2.90 x 0.34 inches |
| 7.69 ounces | 6.95 ounces |
| Black, Blue and Green | Forest Green, Morning Mist and Stellar Black |
| Aluminum and Ceramic | Glass (Corning Gorilla Glass) |
| -- | Scratch-Resistant Glass |
| -- | $ 890.00 |
| Display / Screen | |
| 6.4 inches | 6.7 inches |
| 2340 x 1080 pixels | 3216 x 1440 pixels |
| Super AMOLED | AMOLED |
| 403 pixels per inch | 526 pixels per inch |
| 600 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.6 | 8.8 |
| Performance | |
| Qualcomm Snapdragon 845 SDM845 chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 8 GB RAM | 8 GB RAM |
| Adreno 630 GPU | Adreno 660 GPU |
| 9.63 | 9.63 |
| Storage | |
| 256 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 13.3 | 10.1 |
| Camera | |
| 12.20 MP + 24.00 MP | 48.00 MP + 16.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 23.00mm focal length |
| 0.39 inches (1/2.55") sensor | 0.71 inches (1/1.4") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 7680 x 4320 (30 fps) video resolution |
| 1920 x 1080 (960 fps) (Full HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 10.34 | 12.65 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.3 | 10.7 |
| Battery Life | |
| 3200mAh Li - Polymer Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 5.2 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | NFC |
| 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 Mix 3 is slightly better than OnePlus 9 Pro, with an 83.8 score against 76.6. Xiaomi Mi Mix 3 is a notably older and just a little bit heavier cellphone than the OnePlus 9 Pro, but Xiaomi managed to build it just a little thinner anyway. The OnePlus 9 Pro and Xiaomi Mi Mix 3 have incredibly similar processing units, both of them have 8 GB of RAM memory and 8 processing cores.
OnePlus 9 Pro has a little bit better display than Xiaomi Mi Mix 3, because it has a bit larger display, a better resolution of 1440 x 3216px and a higher number of pixels per screen inch. Xiaomi Mi Mix 3 has much more memory capacity to install applications and games or saving photos and videos than OnePlus 9 Pro, because it has 256 GB internal storage capacity.
The OnePlus 9 Pro takes way better photographs and videos than Xiaomi Mi Mix 3, and although they both have the same aperture, the OnePlus 9 Pro also has a lot better video definition, a camera in the back with much more MP and a way bigger back camera sensor providing a lot better image quality.
The OnePlus 9 Pro features a way better battery lifetime than Xiaomi Mi Mix 3, because it has 4500mAh of battery capacity.
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