Compare phones
| Global Score | |
| 81 | 76.6 |
| Basic Information | |
| Xiaomi | OnePlus |
| Android 12 | Android 11 |
| -- | 2021-04-02 |
| -- | 6.43 x 2.90 x 0.34 inches |
| -- | 6.95 ounces |
| Black and White | Forest Green, Morning Mist and Stellar Black |
| Aluminum and Ceramic | Glass (Corning Gorilla Glass) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 890.00 |
| Display / Screen | |
| 6.7 inches | 6.7 inches |
| 3200 x 1440 pixels | 3216 x 1440 pixels |
| AMOLED | AMOLED |
| 524 pixels per inch | 526 pixels per inch |
| 1500 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.7 | 8.8 |
| Performance | |
| Qualcomm Snapdragon 8+ Gen 1 SM8450 (4 nm) chipset | Qualcomm Snapdragon 888 chipset |
| processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 8 GB RAM | 8 GB RAM |
| Adreno 730 GPU | Adreno 660 GPU |
| 6.21 | 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/2.00 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 |
| 12.32 | 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 | Nano SIM |
| 10.6 | 10.7 |
| Battery Life | |
| 4800mAh Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 6.64 | 6.32 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.2 |
| 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 12S Ultra is slightly better than the OnePlus 9 Pro, having an 81 score against 76.6. These phones work with Android operating system, but the Xiaomi 12S Ultra has 12 version while OnePlus 9 Pro has Android 11 version, providing a couple additional features. The Xiaomi 12S Ultra is a a lot thinner and incredibly lighter cellphone than the OnePlus 9 Pro.
Xiaomi 12S Ultra counts with a sharper screen than OnePlus 9 Pro, although it has a little bit worse 1440 x 3200 resolution and a bit worse display density, they both have a screen of the same size. The Xiaomi 12S Ultra features a much better memory capacity for applications, games, photos and videos than OnePlus 9 Pro, because it has more internal storage capacity.
OnePlus 9 Pro features a much greater processing power than Xiaomi 12S Ultra. Both of them have 8 cores and 8 GB of RAM. Xiaomi 12S Ultra counts with a little better battery life than OnePlus 9 Pro, because it has a 7 percent larger battery size. The OnePlus 9 Pro has a little bit better camera than Xiaomi 12S Ultra, because although it has a lower 7680x4320 video definition and a worse 48 megapixels resolution back camera, it also counts with a way larger back camera sensor which gives a way better photo and video quality and a bigger aperture to take better low light photography and videos.
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