Compare phones
| Global Score | |
| 76.6 | 81 |
| Basic Information | |
| OnePlus | Xiaomi |
| Android 11 | Android 12 |
| 2021-04-02 | -- |
| 6.43 x 2.90 x 0.34 inches | -- |
| 6.95 ounces | -- |
| Forest Green, Morning Mist and Stellar Black | Black and White |
| Glass (Corning Gorilla Glass) | Aluminum and Ceramic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 890.00 | -- |
| Display / Screen | |
| 6.7 inches | 6.7 inches |
| 3216 x 1440 pixels | 3200 x 1440 pixels |
| AMOLED | AMOLED |
| 526 pixels per inch | 524 pixels per inch |
| -- | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.8 | 9.7 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 8+ Gen 1 SM8450 (4 nm) chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | processor |
| 8 GB RAM | 8 GB RAM |
| Adreno 660 GPU | Adreno 730 GPU |
| 9.63 | 6.21 |
| 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/2.00 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 | 12.32 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM | Nano SIM |
| 10.7 | 10.6 |
| Battery Life | |
| 4500mAh Battery | 4800mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 6.32 | 6.64 |
| 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 a bit better than OnePlus 9 Pro, having a overall score of 81 against 76.6. Both of these devices include Android OS, but the Xiaomi 12S Ultra has the newer 12 version while OnePlus 9 Pro has Android 11 version, so it offers some nice extra features. The Xiaomi 12S Ultra construction is much lighter and incredibly thinner than OnePlus 9 Pro.
OnePlus 9 Pro counts with a very superior processing power than Xiaomi 12S Ultra. Both have a Octa-Core processor and the same RAM memory amount. The Xiaomi 12S Ultra has a brighter display than OnePlus 9 Pro, although it has a quite lower resolution of 1440 x 3200 pixels and a just a little inferior amount of pixels per display inch, they both have a display of the same size.
Xiaomi 12S Ultra features a much greater memory to install games and applications than OnePlus 9 Pro, because it has 128 GB more internal memory capacity. The OnePlus 9 Pro has a slightly better camera than Xiaomi 12S Ultra, because although it has a back-facing camera with a worse resolution and a lower 7680x4320 video quality, it also counts with a bigger diafragm aperture to capture better captures and video in poorly lited situations and a much bigger sensor.
Xiaomi 12S Ultra features just a little bit longer battery duration than OnePlus 9 Pro, because it has a 4800mAh battery capacity instead of 4500mAh.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.