Compare phones
| Global Score | |
| 76 | 83.2 |
| Basic Information | |
| OnePlus | Xiaomi |
| 2020-04-21 | 2019-03-06 |
| 6.31 x 2.87 x 0.31 inches | 6.20 x 2.94 x 0.30 inches |
| 6.35 ounces | 6.10 ounces |
| Glacial green | Black, Blue and Purple |
| Aluminum and Glass (Corning Gorilla Glass 5) | Glass (Corning Gorilla Glass 5) and Metal |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 330.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.4 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| AMOLED | AMOLED |
| 405 pixels per inch | 403 pixels per inch |
| 1100 cd/m2 brightness | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 9 | 8.6 |
| Performance | |
| Qualcomm Snapdragon 865 SM8250 chipset | Qualcomm Snapdragon 855 chipset |
| Kryo 585, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 8 GB RAM | 6 GB RAM |
| Adreno 650 GPU | Adreno 640 GPU |
| 9.63 | 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 + 16.00 MP | 48.00 MP + 20.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 25.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 11.88 | 12.1 |
| 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, Dual SIM | Nano SIM, Dual SIM |
| 10.7 | 6.3 |
| Battery Life | |
| 4300mAh Li - Polymer Battery | 3300mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.16 | 5.28 |
| Other Features | |
| Bluetooth 5.1 | 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
The Xiaomi Mi 9 has a general score of 83.2, which is slightly better than OnePlus 8's general score of 76. Despite of the fact that the Xiaomi Mi 9 is older than the OnePlus 8, it's design is just a little thinner and just a bit lighter. OnePlus 8 features just a bit better looking screen than Xiaomi Mi 9, because it has a little bit higher 1080 x 2400 resolution, much more brightness, a little bigger display and a just a bit better pixels density.
Xiaomi Mi 9 and OnePlus 8 both have quite similar processing units, and although the Xiaomi Mi 9 has lesser RAM, they both have 8 cores. Xiaomi Mi 9 counts with a slightly better camera than OnePlus 8. Both have a F1.8 camera aperture, a same size back-facing camera sensor, a back facing camera with a 48 megapixels, the same 60 fps video frame rates and the same (4K) video definition.
Xiaomi Mi 9 has as much memory capacity for apps and games as the OnePlus 8 one, both of them have exactly the same internal memory capacity. OnePlus 8 counts with improved battery life than Xiaomi Mi 9, because it has 4300mAh of battery capacity against 3300mAh.
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