Compare phones
| Global Score | |
| 76.6 | 89 |
| Basic Information | |
| OnePlus | Xiaomi |
| Android 11 | Android 11 |
| 2021-04-02 | 2021-08-10 |
| 6.43 x 2.90 x 0.34 inches | 6.40 x 2.97 x 0.31 inches |
| 6.95 ounces | 7.94 ounces |
| Forest Green, Morning Mist and Stellar Black | Ceramic Black, Ceramic White and Shadow Gray |
| Glass (Corning Gorilla Glass) | Aluminum and Ceramic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 890.00 | -- |
| Display / Screen | |
| 6.7 inches | 6.7 inches |
| 3216 x 1440 pixels | 2400 x 1080 pixels |
| AMOLED | AMOLED |
| 526 pixels per inch | 393 pixels per inch |
| No touch screen | No touch screen |
| 8.8 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 888+ SM8350-AC chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 680 Prime, 64-bit, 5 nm (Octa-Core 3000 MHz) processor |
| 8 GB RAM | 8 GB RAM |
| Adreno 660 GPU | Adreno 660 GPU |
| 9.63 | 9.72 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 10.1 |
| Camera | |
| 48.00 MP + 16.00 MP | 108.00 MP + 20.00 MP |
| f/1.80 aperture | f/1.90 aperture |
| 23.00mm focal length | 24.00mm focal length |
| 0.71 inches (1/1.4") sensor | 0.75 inches (1/1.33") sensor |
| 7680 x 4320 (30 fps) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | 1920 x 1080 (480 fps) (Full HD) slow motion video |
| 12.65 | 13.75 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 10.6 |
| Battery Life | |
| 4500mAh Battery | 4500mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 6.32 | 6.32 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Xiaomi Mi Mix 4 is much better than the OnePlus 9 Pro, having an 89 score against 76.6. Although Xiaomi Mi Mix 4 and the OnePlus 9 Pro were only released 4 months apart, Xiaomi Mi Mix 4's body is a little thinner but also heavier than the OnePlus 9 Pro. Both phones in this review come with the same Android 11 OS, so you shouldn't see any differences regarding that.
Xiaomi Mi Mix 4 counts with a little faster CPU than OnePlus 9 Pro. Both have a 8 GB RAM memory and a Octa-Core processing unit. The OnePlus 9 Pro has just a bit better looking screen than Xiaomi Mi Mix 4, and although they both have a screen of the same size, the OnePlus 9 Pro also has a higher resolution of 1440 x 3216px and a better pixels density.
The Xiaomi Mi Mix 4 counts with a bit better camera than OnePlus 9 Pro, because although it has lower 24 fps video frame rate and a smaller diafragm aperture, and they both have the same video definition, the Xiaomi Mi Mix 4 also counts with a much more megapixels back-facing camera and a bigger back-facing camera sensor which gives a higher photo and video quality.
The Xiaomi Mi Mix 4 features as much memory for games and applications as the OnePlus 9 Pro one, they have exactly the same 128 GB internal memory capacity. Xiaomi Mi Mix 4 features a battery performance that's very similar to the OnePlus 9 Pro one.
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