| Global Score | |
| 81 | 76 |
| Basic Information | |
| Xiaomi | OnePlus |
| Android 12 | Android 11 |
| -- | 2021-04-02 |
| -- | 6.30 x 2.92 x 0.34 inches |
| -- | 6.77 ounces |
| Black and White | Arctic Sky, Astral Black and Winter Mist |
| Aluminum and Ceramic | Aluminum and Glass (Corning Gorilla Glass) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 700.00 |
| Display / Screen | |
| 6.7 inches | 6.5 inches |
| 3200 x 1440 pixels | 2400 x 1080 pixels |
| AMOLED | AMOLED |
| 524 pixels per inch | 405 pixels per inch |
| 1500 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.7 | 8.2 |
| 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 |
Xiaomi 12S Ultra has an overall score of 81, which is just a bit better than OnePlus 9's 76 global score. Xiaomi 12S Ultra is a notably thinner and way lighter phone than the OnePlus 9. Both of these phones use Android operating system, but the Xiaomi 12S Ultra has newer 12 version while OnePlus 9 has Android 11 version.
Xiaomi 12S Ultra has a brighter screen than OnePlus 9, because it has a little bit bigger screen, a better screen pixel density and a better resolution of 1440 x 3200 pixels. Xiaomi 12S Ultra features a very superior storage capacity to install games and applications than OnePlus 9, because it has 128 GB more internal storage capacity.
The OnePlus 9 features a much better performing CPU than Xiaomi 12S Ultra. Both of them have the same RAM amount and a Octa-Core CPU. The OnePlus 9 takes a little bit better photographs and videos than Xiaomi 12S Ultra, because although it has a lower video quality and a back-facing camera with less MP, it also counts with a much larger back camera sensor which offers a lot better image and video quality and a bigger diafragm aperture to capture better low light photography and videos.
The Xiaomi 12S Ultra counts with a little longer battery performance than OnePlus 9, because it has 4800mAh of battery capacity against 4500mAh.
Despite our efforts to provide accurate information in our reviews and specs, there may be errors or missing information in this website, please check the specifications the brand or seller provide with the product before you buy it. We are not responsible for any inconvinience resulting on the use of this website's information.
Certain content that appears on this site comes from Amazon Services LLC. This content is provided 'as is' and is subject to change or removal at any time.