Compare phones
| Global Score | |
| 76 | 90.7 |
| Basic Information | |
| OnePlus | Xiaomi |
| Android 11 | Android 11 |
| 2021-04-02 | 2021-03-29 |
| 6.30 x 2.92 x 0.34 inches | 6.47 x 2.94 x 0.33 inches |
| 6.77 ounces | 8.25 ounces |
| Arctic Sky, Astral Black and Winter Mist | Ceramic Black and Ceramic White |
| Aluminum and Glass (Corning Gorilla Glass) | Ceramic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 700.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.8 inches |
| 2400 x 1080 pixels | 3200 x 1440 pixels |
| AMOLED | AMOLED |
| 405 pixels per inch | 516 pixels per inch |
| -- | 1700 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.2 | 9.9 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 888 SM8350 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 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 |
| 9.63 | 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 | 50.00 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 | 0.5 inches (1/2") 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 (1920 fps) (Full HD) slow motion video |
| 12.65 | 12.43 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 8.2 |
| Battery Life | |
| 4500mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 6.32 | 6.8 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| 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 11 Ultra has a general score of 90.7, which is much better than OnePlus 9's overall score of 76. Although the Xiaomi Mi 11 Ultra and OnePlus 9 were only released with a few months difference, Xiaomi Mi 11 Ultra's construction is just a bit thinner but also heavier. Both devices we compare here use the same Android 11 OS.
The Xiaomi Mi 11 Ultra features a processor that's very similar to the OnePlus 9 one, both have a Octa-Core processor and 8 GB of RAM. The Xiaomi Mi 11 Ultra has a much sharper display than OnePlus 9, because it has a little bigger screen, a higher resolution of 1440 x 3200 and a better pixels density.
OnePlus 9 features a slightly better camera than Xiaomi Mi 11 Ultra, because although it has a worse 7680x4320 video resolution and a less mega pixels resolution back facing camera, it also counts with a way bigger camera sensor capturing more light and vivid colors and a bigger aperture. The Xiaomi Mi 11 Ultra counts with a much greater storage capacity for games and applications than OnePlus 9, because it has 128 GB more internal storage capacity.
The Xiaomi Mi 11 Ultra counts with just a bit longer battery performance than OnePlus 9, because it has an 11 percent bigger battery capacity.
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