Compare phones
| Global Score | |
| 72.9 | 76 |
| Basic Information | |
| Xiaomi | OnePlus |
| Android 12 | Android 11 |
| -- | 2021-04-02 |
| -- | 6.30 x 2.92 x 0.34 inches |
| -- | 6.77 ounces |
| -- | Arctic Sky, Astral Black and Winter Mist |
| -- | Aluminum and Glass (Corning Gorilla Glass) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 700.00 |
| Display / Screen | |
| 6.3 inches | 6.5 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| AMOLED | AMOLED |
| 418 pixels per inch | 405 pixels per inch |
| 1100 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.9 | 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 | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 10.1 |
| Camera | |
| 50.00 MP + 16.00 MP | 48.00 MP + 16.00 MP |
| -- | f/1.80 aperture |
| -- | 23.00mm focal length |
| -- | 0.71 inches (1/1.4") sensor |
| -- | 7680 x 4320 (30 fps) video resolution |
| -- | 1280 x 720 (480 fps) (HD) slow motion video |
| 8.47 | 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 | |
| 4500mAh Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.32 | 6.32 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | 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
OnePlus 9 is slightly better than the Xiaomi 12S, having a 76 score against 72.9. These phones come with Android OS (operating system), but OnePlus 9 has the older 11 version and Xiaomi 12S has Android 12 version. OnePlus 9 features a much greater processing power than Xiaomi 12S. Both of them have 8 cores and 8 GB of RAM.
The Xiaomi 12S counts with a little more vivid display than OnePlus 9, because although it has a little bit smaller screen, and they both have the same 1080 x 2400 resolution, the Xiaomi 12S also counts with a bit more pixels per inch of display. The OnePlus 9 has a greater camera than Xiaomi 12S, although it has a worse 48 megapixels resolution back camera.
OnePlus 9's memory capacity for applications, games, photos and videos is very similar to the Xiaomi 12S one, both have exactly the same internal storage capacity. The Xiaomi 12S and the OnePlus 9 have extremely similar battery durations.
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