Compare phones
| Global Score | |
| 76 | 75.9 |
| Basic Information | |
| OnePlus | Xiaomi |
| Android 11 | Android |
| 2021-04-02 | 2018-06-08 |
| 6.30 x 2.92 x 0.34 inches | 5.80 x 2.88 x 0.30 inches |
| 6.77 ounces | 5.78 ounces |
| Arctic Sky, Astral Black and Winter Mist | Black, Blue, Gold and Red |
| Aluminum and Glass (Corning Gorilla Glass) | -- |
| Scratch-Resistant Glass | -- |
| $ 700.00 | -- |
| Display / Screen | |
| 6.5 inches | 5.9 inches |
| 2400 x 1080 pixels | 2244 x 1080 pixels |
| AMOLED | AMOLED |
| 405 pixels per inch | 422 pixels per inch |
| -- | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.2 | 8.7 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 710 SDM710 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 360, 64-bit, 10 nm (Octa-Core 2200 MHz) processor |
| 8 GB RAM | 6 GB RAM |
| Adreno 660 GPU | Adreno 616 GPU |
| 9.63 | 9.27 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 7.7 |
| Camera | |
| 48.00 MP + 16.00 MP | 12.00 MP + 20.00 MP |
| f/1.80 aperture | f/1.90 aperture |
| 23.00mm focal length | -- |
| 0.71 inches (1/1.4") sensor | 0.39 inches (1/2.55") sensor |
| 7680 x 4320 (30 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | 1280 x 720 (240 fps) (HD) slow motion video |
| 12.65 | 9.79 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE (4G), HSPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 6.1 |
| Battery Life | |
| 4500mAh Battery | 3120mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.32 | 5.12 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.0 |
| GPS | GPS |
| 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 OnePlus 9 is just a bit better than the Xiaomi Mi 8 SE, with a 76 score against 75.9. OnePlus 9 is a newer cellphone than Xiaomi Mi 8 SE, although it is thicker and somewhat heavier. The OnePlus 9 comes with Android 11 OS, while Xiaomi Mi 8 SE comes with Android OS. The OnePlus 9 features a bit superior CPU than Xiaomi Mi 8 SE, and although they both have 8 cores, the OnePlus 9 also has a larger amount of RAM memory.
Xiaomi Mi 8 SE features a little sharper display than OnePlus 9, because although it has a little bit lower 1080 x 2244 resolution and a bit smaller display, it also counts with a quite greater quantity of pixels in each screen inch. The OnePlus 9 has a much bigger memory capacity to store more apps and games than Xiaomi Mi 8 SE, because it has 128 GB internal memory.
OnePlus 9 has a superior battery performance than Xiaomi Mi 8 SE, because it has a 4500mAh battery capacity. OnePlus 9 takes way better pictures and videos than Xiaomi Mi 8 SE, because it has a back facing camera with way more mega-pixels, a bigger aperture, a much higher 7680x4320 video quality and a lot bigger sensor.
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