Compare phones
| Global Score | |
| 76 | 81.4 |
| Basic Information | |
| OnePlus | Xiaomi |
| Android 11 | Android 9.0 Pie |
| 2021-04-02 | 2019-04-15 |
| 6.30 x 2.92 x 0.34 inches | 5.81 x 2.78 x 0.29 inches |
| 6.77 ounces | 5.47 ounces |
| Arctic Sky, Astral Black and Winter Mist | 16 777 216 |
| Aluminum and Glass (Corning Gorilla Glass) | -- |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 700.00 | -- |
| Display / Screen | |
| 6.5 inches | 6 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| AMOLED | AMOLED |
| 405 pixels per inch | 430 pixels per inch |
| -- | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.2 | 8.7 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 712 SDM712 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 360, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 6 GB RAM |
| Adreno 660 GPU | Adreno 616 GPU |
| 9.63 | 9.36 |
| 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 + 16.00 MP | 48.00 MP + 20.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 23.00mm focal length | 26.00mm focal length |
| 0.71 inches (1/1.4") sensor | 0.5 inches (1/2") 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 (960 fps) (HD) slow motion video |
| 12.65 | 11.66 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 6.3 |
| Battery Life | |
| 4500mAh Battery | 3070mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.32 | 5.04 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.0 |
| 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 is a little bit better than the OnePlus 9, getting an 81.4 score against 76. Both phones in our current comparison use Android operating system, but the Xiaomi Mi 9 SE has 9.0 Pie version while OnePlus 9 has Android 11. Although the Xiaomi Mi 9 SE is older than OnePlus 9, it's construction is thinner and somewhat lighter.
Xiaomi Mi 9 SE features a bit more vivid display than OnePlus 9, because although it has a little smaller display and a bit worse 1080 x 2340 pixels resolution, it also counts with a bit higher pixel density. The Xiaomi Mi 9 SE and OnePlus 9 both feature very similar storage to install applications and games, both have the same internal storage capacity.
OnePlus 9 features a little better hardware performance than Xiaomi Mi 9 SE, and although they both have a Octa-Core CPU, the OnePlus 9 also has a greater amount of RAM. OnePlus 9 captures just 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 lot better 7680x4320 video quality and a lot bigger back camera sensor which offers a much higher image and video quality.
OnePlus 9 has a much longer battery duration than Xiaomi Mi 9 SE, because it has a 4500mAh battery capacity against 3070mAh.
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