Compare phones
| Global Score | |
| 76 | 76.2 |
| Basic Information | |
| OnePlus | Xiaomi |
| Android 11 | Android 6.0 Marshmallow |
| 2021-04-02 | 2016-11-04 |
| 6.30 x 2.92 x 0.34 inches | 6.25 x 3.22 x 0.31 inches |
| 6.77 ounces | 7.37 ounces |
| Arctic Sky, Astral Black and Winter Mist | Black and White |
| Aluminum and Glass (Corning Gorilla Glass) | Ceramic |
| Scratch-Resistant Glass | -- |
| $ 700.00 | $ 590.00 |
| Display / Screen | |
| 6.5 inches | 6.4 inches |
| 2400 x 1080 pixels | 2040 x 1080 pixels |
| AMOLED | IPS LCD |
| 405 pixels per inch | 361 pixels per inch |
| -- | 500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.2 | 8.3 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 821 MSM8996 Pro chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo, 64-bit (Quad-Core 2340 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 660 GPU | Adreno 530 GPU |
| 9.63 | 9 |
| 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 | 16.00 MP + 5.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 23.00mm focal length | -- |
| 0.71 inches (1/1.4") sensor | 0.33 inches (1/3.06") sensor |
| 7680 x 4320 (30 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | 1280 x 720 (120 fps) (HD) slow motion video |
| 12.65 | 9.79 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE (4G) and HSPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 6 |
| Battery Life | |
| 4500mAh Battery | 4400mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.32 | 6.24 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 4.2 |
| 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
Xiaomi Mi MIX is just a bit better than the OnePlus 9, having a general score of 76.2 against 76. Both of these phones have Android operating system, but the Xiaomi Mi MIX has newer 6.0 Marshmallow version while OnePlus 9 has Android 11 version, so it gives you lots of additional features and increased performance. Even though the Xiaomi Mi MIX is noticeably older and a bit heavier than OnePlus 9, it's body is still just a bit thinner.
OnePlus 9 counts with a little faster CPU than Xiaomi Mi MIX, because it has more RAM and a higher number of cores. Xiaomi Mi MIX has just a bit better looking display than OnePlus 9, although it has a bit lower resolution of 1080 x 2040px, a little bit smaller display and a little lower pixels number per inch in the display.
The Xiaomi Mi MIX's memory capacity for apps and games is very similar to the OnePlus 9 one, both have the same 128 GB internal storage capacity. The OnePlus 9 features a little longer battery performance than Xiaomi Mi MIX, because it has 4500mAh of battery capacity instead of 4400mAh. The OnePlus 9 takes a lot better photos and videos than Xiaomi Mi MIX, because it has a camera with a lot higher 48 mega-pixels resolution, a lot larger sensor which offers a way better image and video quality, a larger aperture and a way better video resolution.
In addition to being the best phone in our current comparison, the Xiaomi Mi MIX is also by far the cheapest.
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