Compare phones
| Global Score | |
| 90.7 | 76 |
| Basic Information | |
| Xiaomi | OnePlus |
| Android 11 | Android 11 |
| 2021-03-29 | 2021-04-02 |
| 6.47 x 2.94 x 0.33 inches | 6.30 x 2.92 x 0.34 inches |
| 8.25 ounces | 6.77 ounces |
| Ceramic Black and Ceramic White | Arctic Sky, Astral Black and Winter Mist |
| Ceramic | Aluminum and Glass (Corning Gorilla Glass) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 700.00 |
| Display / Screen | |
| 6.8 inches | 6.5 inches |
| 3200 x 1440 pixels | 2400 x 1080 pixels |
| AMOLED | AMOLED |
| 516 pixels per inch | 405 pixels per inch |
| 1700 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.9 | 8.2 |
| Performance | |
| Qualcomm Snapdragon 888 SM8350 chipset | Qualcomm Snapdragon 888 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 | |
| 256 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 13.3 | 10.1 |
| Camera | |
| 50.00 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 |
| 0.5 inches (1/2") 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 (1920 fps) (Full HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 12.43 | 12.65 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 8.2 | 10.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 6.8 | 6.32 |
| 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 is much better than the OnePlus 9, getting a global score of 90.7 against 76. Both of these devices have the same Android 11 OS (operating system). Although Xiaomi Mi 11 Ultra and OnePlus 9 were released with only a few months difference, Xiaomi Mi 11 Ultra's design is somewhat heavier but also a little thinner.
The OnePlus 9's processor is very similar to the CPU in Xiaomi Mi 11 Ultra, they have the same RAM amount and 8 cores. The Xiaomi Mi 11 Ultra counts with an incredibly better looking display than OnePlus 9, because it has a greater count of pixels per inch of screen, a higher resolution of 1440 x 3200 pixels and a bit larger screen.
The OnePlus 9 shoots a bit better photographs and videos than Xiaomi Mi 11 Ultra, because although it has a lower video quality and a back-facing camera with a lower 48 mega-pixels resolution, it also counts with a much larger sensor shooting way higher quality photos and a bigger diafragm aperture to take better low light photography and video.
Xiaomi Mi 11 Ultra counts with a very superior storage capacity to install applications and games or saving photos and videos than OnePlus 9, because it has 256 GB internal storage. Xiaomi Mi 11 Ultra has just a bit better battery duration than OnePlus 9, because it has a 5000mAh battery capacity.
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