Compare phones
| Global Score | |
| 73.3 | 83.2 |
| Basic Information | |
| OnePlus | Xiaomi |
| Android 11, 10, 9.0 Pie, 8.1 Oreo | -- |
| 2018-05-22 | 2019-03-06 |
| 6.13 x 2.97 x 0.31 inches | 6.20 x 2.94 x 0.30 inches |
| 6.24 ounces | 6.10 ounces |
| Black, Red and White | Black, Blue and Purple |
| Glass (Corning Gorilla Glass 5) and Metal | Glass (Corning Gorilla Glass 5) and Metal |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 211.00 | -- |
| Display / Screen | |
| 6.3 inches | 6.4 inches |
| 2280 x 1080 pixels | 2340 x 1080 pixels |
| AMOLED | AMOLED |
| 400 pixels per inch | 403 pixels per inch |
| -- | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 8.6 |
| Performance | |
| Qualcomm Snapdragon 845 SDM845 chipset | Qualcomm Snapdragon 855 chipset |
| Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 8 GB RAM | 6 GB RAM |
| Adreno 630 GPU | Adreno 640 GPU |
| 9.63 | 9.63 |
| Storage | |
| 256 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 13.3 | 10.1 |
| Camera | |
| 16.00 MP + 16.00 MP | 48.00 MP + 20.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 25.00mm focal length | 26.00mm focal length |
| 0.38 inches (1/2.6") 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 |
| 10.45 | 12.1 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 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 |
| 6.7 | 6.3 |
| Battery Life | |
| 3300mAh Li - Polymer Battery | 3300mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.28 | 5.28 |
| Other Features | |
| Bluetooth 5.0 | 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 is better than OnePlus 6, getting a general score of 83.2 against 73.3. The Xiaomi Mi 9 construction is newer, just a bit lighter and just a little bit thinner than OnePlus 6. The Xiaomi Mi 9 features a little sharper display than OnePlus 6, because it has a bit more pixels per display inch, a quite bigger display and a slightly better 1080 x 2340px resolution.
OnePlus 6 features a way bigger memory capacity to install games and applications than Xiaomi Mi 9, because it has 256 GB internal storage capacity. The Xiaomi Mi 9's CPU is very similar to the processor in OnePlus 6, and although the Xiaomi Mi 9 has 2 GB less RAM, they both have a Octa-Core processor.
Xiaomi Mi 9 shoots much clearer pictures and videos than OnePlus 6, because although it has a smaller aperture which is not favorable for capturing photos and/or video in low-light situations, and they both have the same video frame rates and the same 3840x2160 video quality, the Xiaomi Mi 9 also counts with a camera with a much better resolution and a much larger camera sensor taking more light and vivid colors.
Xiaomi Mi 9 and OnePlus 6 count with very similar batteries.
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