Compare phones
| Global Score | |
| 76.6 | 83.8 |
| Basic Information | |
| OnePlus | Xiaomi |
| Android 11 | -- |
| 2021-04-02 | 2018-11-01 |
| 6.43 x 2.90 x 0.34 inches | 6.22 x 2.94 x 0.33 inches |
| 6.95 ounces | 7.69 ounces |
| Forest Green, Morning Mist and Stellar Black | Black, Blue and Green |
| Glass (Corning Gorilla Glass) | Aluminum and Ceramic |
| Scratch-Resistant Glass | -- |
| $ 890.00 | -- |
| Display / Screen | |
| 6.7 inches | 6.4 inches |
| 3216 x 1440 pixels | 2340 x 1080 pixels |
| AMOLED | Super 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 845 SDM845 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor |
| 8 GB RAM | 8 GB RAM |
| Adreno 660 GPU | Adreno 630 GPU |
| 9.63 | 9.63 |
| Storage | |
| 128 GB internal memory | 256 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 13.3 |
| Camera | |
| 48.00 MP + 16.00 MP | 12.20 MP + 24.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 23.00mm focal length | -- |
| 0.71 inches (1/1.4") sensor | 0.39 inches (1/2.55") sensor |
| 7680 x 4320 (30 fps) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 12.65 | 10.34 |
| 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 | Nano SIM, Dual SIM |
| 10.7 | 6.3 |
| Battery Life | |
| 4500mAh Battery | 3200mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 6.32 | 5.2 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.0 |
| 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
Xiaomi Mi Mix 3 has a global score of 83.8, which is a bit better than OnePlus 9 Pro's global score of 76.6. Even though Xiaomi Mi Mix 3 is incredibly older and just a little bit heavier than OnePlus 9 Pro, it's body is still just a little thinner. OnePlus 9 Pro counts with a little sharper screen than Xiaomi Mi Mix 3, because it has more pixels per screen inch, a higher 1440 x 3216 resolution and a little bit bigger screen.
Xiaomi Mi Mix 3 has a much better memory to install applications and games or saving photos and videos than OnePlus 9 Pro, because it has 256 GB internal storage capacity. OnePlus 9 Pro and Xiaomi Mi Mix 3 have very similar processors, both of them have 8 GB of RAM memory and a Octa-Core processor.
The OnePlus 9 Pro captures much better pictures and videos than Xiaomi Mi Mix 3, and although they both have a same size aperture, the OnePlus 9 Pro also has a way larger camera sensor providing a much higher image quality, a lot higher 7680x4320 video quality and a much more megapixels camera in the back.
OnePlus 9 Pro counts with a very superior battery duration than Xiaomi Mi Mix 3, because it has 4500mAh of battery capacity instead of 3200mAh.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.