Compare phones
| Global Score | |
| 89 | 76 |
| Basic Information | |
| Xiaomi | OnePlus |
| Android 11 | Android 11 |
| 2021-08-10 | 2021-04-02 |
| 6.40 x 2.97 x 0.31 inches | 6.30 x 2.92 x 0.34 inches |
| 7.94 ounces | 6.77 ounces |
| Ceramic Black, Ceramic White and Shadow Gray | Arctic Sky, Astral Black and Winter Mist |
| Aluminum and Ceramic | Aluminum and Glass (Corning Gorilla Glass) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 700.00 |
| Display / Screen | |
| 6.7 inches | 6.5 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| AMOLED | AMOLED |
| 393 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.2 |
| Performance | |
| Qualcomm Snapdragon 888+ SM8350-AC chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 680 Prime, 64-bit, 5 nm (Octa-Core 3000 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 8 GB RAM | 8 GB RAM |
| Adreno 660 GPU | Adreno 660 GPU |
| 9.72 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 10.1 |
| Camera | |
| 108.00 MP + 20.00 MP | 48.00 MP + 16.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 24.00mm focal length | 23.00mm focal length |
| 0.75 inches (1/1.33") sensor | 0.71 inches (1/1.4") sensor |
| 7680 x 4320 (24 fps) video resolution | 7680 x 4320 (30 fps) video resolution |
| 1920 x 1080 (480 fps) (Full HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 13.75 | 12.65 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 10.6 | 10.7 |
| Battery Life | |
| 4500mAh Li - Ion Battery | 4500mAh 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, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Xiaomi Mi Mix 4 has a general score of 89, which is better than the OnePlus 9's general score of 76. Xiaomi Mi Mix 4's design is a little bit thinner but heavier than the OnePlus 9, and both of them were released only 4 months apart. Both of these devices include the same Android 11 OS (Operating System), so you shouldn't perceive any difference regarding that.
The Xiaomi Mi Mix 4 counts with a bit better processing unit than OnePlus 9. Both of them have 8 GB of RAM memory and 8 CPU cores. OnePlus 9 has a slightly better looking display than Xiaomi Mi Mix 4, because although it has a little bit smaller display, and they both have the same resolution of 1080 x 2400, the OnePlus 9 also counts with a just a little better pixels count per screen inch.
The Xiaomi Mi Mix 4 has just a bit better camera than OnePlus 9, because although it has worse 24 frames per second video frame rates and a tinier aperture which is not good for low light photos, and they both have the same video resolution, the Xiaomi Mi Mix 4 also counts with a much higher 108 MP resolution back camera and a bigger camera sensor capturing higher quality videos and photographs.
The OnePlus 9 features as much storage capacity to install applications and games as the Xiaomi Mi Mix 4 one, both have equal internal memory capacity. The OnePlus 9 and Xiaomi Mi Mix 4 feature quite similar battery durations.
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