Compare phones
| Global Score | |
| 81.4 | 76 |
| Basic Information | |
| Xiaomi | OnePlus |
| Android 9.0 Pie | Android 11 |
| 2019-04-15 | 2021-04-02 |
| 5.81 x 2.78 x 0.29 inches | 6.30 x 2.92 x 0.34 inches |
| 5.47 ounces | 6.77 ounces |
| 16 777 216 | Arctic Sky, Astral Black and Winter Mist |
| -- | Aluminum and Glass (Corning Gorilla Glass) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 700.00 |
| Display / Screen | |
| 6 inches | 6.5 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| AMOLED | AMOLED |
| 430 pixels per inch | 405 pixels per inch |
| 600 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.7 | 8.2 |
| Performance | |
| Qualcomm Snapdragon 712 SDM712 chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 360, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 6 GB RAM | 8 GB RAM |
| Adreno 616 GPU | Adreno 660 GPU |
| 9.36 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 10.1 |
| Camera | |
| 48.00 MP + 20.00 MP | 48.00 MP + 16.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | 23.00mm focal length |
| 0.5 inches (1/2") sensor | 0.71 inches (1/1.4") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (30 fps) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 11.66 | 12.65 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.3 | 10.7 |
| Battery Life | |
| 3070mAh Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.04 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | 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
Xiaomi Mi 9 SE has a score of 81.4, which is a little bit better than OnePlus 9's 76 general score. Although the Xiaomi Mi 9 SE is older than OnePlus 9, it's design is lighter and thinner. Both of these devices come with Android operating system, but Xiaomi Mi 9 SE has the newer 9.0 Pie version and OnePlus 9 has Android 11 version.
Xiaomi Mi 9 SE has a little sharper display than OnePlus 9, because although it has a bit smaller display and a bit lower resolution of 1080 x 2340px, it also counts with a quite greater quantity of pixels in each inch in the display. OnePlus 9 has a little better processing power than Xiaomi Mi 9 SE, and although they both have a Octa-Core CPU, the OnePlus 9 also has a higher amount of RAM memory.
The OnePlus 9 captures a bit better photos and videos than Xiaomi Mi 9 SE, and although they both have a 48 mega-pixels resolution back facing camera and a same size aperture, the OnePlus 9 also has a much bigger camera sensor providing a way better image quality and a lot better video definition.
The OnePlus 9 and Xiaomi Mi 9 SE count with similar memory to install applications and games or saving photos and videos, they have the same 128 GB internal storage. OnePlus 9 features a superior battery lifetime than Xiaomi Mi 9 SE, because it has a 47 percent bigger battery size.
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