Compare phones
| Global Score | |
| 76 | 88.9 |
| Basic Information | |
| OnePlus | Xiaomi |
| Android 11 | Android 10 |
| 2021-04-02 | 2019-09-24 |
| 6.30 x 2.92 x 0.34 inches | 6.08 x 2.85 x 0.41 inches |
| 6.77 ounces | 8.50 ounces |
| Arctic Sky, Astral Black and Winter Mist | Black |
| Aluminum and Glass (Corning Gorilla Glass) | Titanium |
| Scratch-Resistant Glass | -- |
| $ 700.00 | -- |
| Display / Screen | |
| 6.5 inches | 7.9 inches |
| 2400 x 1080 pixels | 2250 x 2088 pixels |
| AMOLED | OLED |
| 405 pixels per inch | 389 pixels per inch |
| No touch screen | No touch screen |
| 8.2 | 8.2 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 855+ SM8150-AC chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2960 MHz) processor |
| 8 GB RAM | 12 GB RAM |
| Adreno 660 GPU | Adreno 640 GPU |
| 9.63 | 9.81 |
| Storage | |
| 128 GB internal memory | 512 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 17.6 |
| Camera | |
| 48.00 MP + 16.00 MP | 108.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| 23.00mm focal length | -- |
| 0.71 inches (1/1.4") sensor | 0.75 inches (1/1.33") sensor |
| 7680 x 4320 (30 fps) video resolution | 3840 x 2160 (4K) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | -- |
| 12.65 | 10.56 |
| 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+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 4500mAh Battery | 4050mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.32 | 6 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.0 |
| GPS | GPS |
| 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 Alpha is better than OnePlus 9, with a overall score of 88.9 against 76. Both of these phones have Android OS (Operating System), but the Xiaomi Mi Mix Alpha has 10 version while OnePlus 9 has Android 11 version. Despite being the best we compare here, the Xiaomi Mi Mix Alpha design is older, thicker and a lot heavier than the OnePlus 9.
The Xiaomi Mi Mix Alpha features just a little better hardware performance than OnePlus 9, and although they both have the same number of cores, the Xiaomi Mi Mix Alpha also has a larger amount of RAM memory. Xiaomi Mi Mix Alpha and OnePlus 9 both have quite similar displays, because although the Xiaomi Mi Mix Alpha has a just a bit lower display density, it also counts with a bigger display and a higher 2088 x 2250 resolution.
OnePlus 9 has a much better camera than Xiaomi Mi Mix Alpha, because although it has a smaller aperture which is not nice for capturing photos or video in poorly lited situations, a much lower 48 megapixels resolution camera in the back and a tinier back-facing camera sensor which offers a lower photo and video quality, it also counts with a much better video quality.
The Xiaomi Mi Mix Alpha has much more memory capacity for applications, games, photos and videos than OnePlus 9, because it has 384 GB more internal storage capacity. The OnePlus 9 features a little longer battery lifetime than Xiaomi Mi Mix Alpha, because it has a 4500mAh battery size.
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