Compare phones
| Global Score | |
| 72.8 | 83.2 |
| Basic Information | |
| OnePlus | Xiaomi |
| Android 15 | -- |
| -- | 2019-03-06 |
| -- | 6.20 x 2.94 x 0.30 inches |
| -- | 6.10 ounces |
| -- | Black, Blue and Purple |
| -- | Glass (Corning Gorilla Glass 5) and Metal |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 7.8 inches | 6.4 inches |
| 2268 x 2440 pixels | 2340 x 1080 pixels |
| AMOLED | AMOLED |
| 427 pixels per inch | 403 pixels per inch |
| -- | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.7 | 8.6 |
| Performance | |
| Qualcomm Snapdragon 8 Elite SM8550 (4 nm) chipset | Qualcomm Snapdragon 855 chipset |
| processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 16 GB RAM | 6 GB RAM |
| Yes GPU | Adreno 640 GPU |
| 6.3 | 9.63 |
| Storage | |
| 512 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 17.6 | 10.1 |
| Camera | |
| 48.00 MP + 32.00 MP | 48.00 MP + 20.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 24.00mm 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 |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 11.99 | 12.1 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.6 | 6.3 |
| Battery Life | |
| 5700mAh Battery | 3300mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 7.36 | 5.28 |
| Other Features | |
| Bluetooth 5.3 | 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 has a score of 83.2, which is better than OnePlus Open 2 (Rumored)'s score of 72.8. The Xiaomi Mi 9 features a really superior performance than OnePlus Open 2 (Rumored), although it has a lower amount of RAM, they both have a Octa-Core processing unit. The Xiaomi Mi 9 has a sharper screen than OnePlus Open 2 (Rumored), although it has a little bit smaller display, a little bit lower pixels count per display inch and a lot worse resolution of 1080 x 2340px.
OnePlus Open 2 (Rumored) has a much bigger memory to install applications and games than Xiaomi Mi 9, because it has 512 GB internal storage capacity. The OnePlus Open 2 (Rumored) features a way better battery duration than Xiaomi Mi 9, because it has a 73% larger battery size. Xiaomi Mi 9 captures clearer videos and photos than OnePlus Open 2 (Rumored), although it has a tinier aperture which is not good for low-light captures and videos, they both have the same video quality, the same video frame rates, a 48 mega-pixels resolution camera in the back and a same size back-facing camera sensor.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.