Compare phones
| Global Score | |
| 78.8 | 76 |
| Basic Information | |
| Xiaomi | OnePlus |
| Android 12 | Android 11 |
| 2021-12-28 | 2021-04-02 |
| 6.01 x 2.75 x 0.32 inches | 6.30 x 2.92 x 0.34 inches |
| 6.31 ounces | 6.77 ounces |
| Black, Blue, Green and Pink | Arctic Sky, Astral Black and Winter Mist |
| Aluminum and Glass | 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 Gen1 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 + 32.00 MP | 48.00 MP + 16.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 26.00mm focal length | 23.00mm focal length |
| 0.64 inches (1/1.56") 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 (960 fps) (Full HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 12.54 | 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, Dual SIM | Nano SIM |
| 10.6 | 10.7 |
| Battery Life | |
| 4500mAh Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 6.32 | 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
The Xiaomi 12 has a global score of 78.8, which is just a bit better than OnePlus 9's 76 global score. Xiaomi 12's construction is newer, a little bit lighter and just a bit thinner than the OnePlus 9. Both of these phones use Android OS (operating system), but the Xiaomi 12 has the newer 12 version and OnePlus 9 has Android 11 version, providing you some extra features and improved performance.
The OnePlus 9 has a very superior processor than Xiaomi 12. Both of them have a 8 GB RAM memory and the same number of cores. The Xiaomi 12 counts with a bit sharper screen than OnePlus 9, because although it has a little smaller display, and they both have the same 1080 x 2400 resolution, the Xiaomi 12 also counts with a just a bit more pixels per screen inch.
OnePlus 9 takes clearer pictures and videos than Xiaomi 12, because although it has a worse 7680x4320 video resolution and a camera with less megapixels resolution, it also counts with a larger camera aperture and a bigger sensor. The OnePlus 9 features as much memory for games and applications as the Xiaomi 12, both of them have equal internal storage.
OnePlus 9's battery performance is just as good as the Xiaomi 12 one.
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