Compare phones
| Global Score | |
| 72.8 | 81.4 |
| Basic Information | |
| OnePlus | Xiaomi |
| Android 15 | Android 9.0 Pie |
| -- | 2019-04-15 |
| -- | 5.81 x 2.78 x 0.29 inches |
| -- | 5.47 ounces |
| -- | 16 777 216 |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 7.8 inches | 6 inches |
| 2268 x 2440 pixels | 2340 x 1080 pixels |
| AMOLED | AMOLED |
| 427 pixels per inch | 430 pixels per inch |
| -- | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.7 | 8.7 |
| Performance | |
| Qualcomm Snapdragon 8 Elite SM8550 (4 nm) chipset | Qualcomm Snapdragon 712 SDM712 chipset |
| processor | Kryo 360, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 16 GB RAM | 6 GB RAM |
| Yes GPU | Adreno 616 GPU |
| 6.3 | 9.36 |
| 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 (30 fps) (4K) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 11.99 | 11.66 |
| 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 | 3070mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.36 | 5.04 |
| 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 SE is much better than OnePlus Open 2 (Rumored), having an 81.4 score against 72.8. Both devices we compare here use Android OS, but the Xiaomi Mi 9 SE has the newer 9.0 Pie version while OnePlus Open 2 (Rumored) has Android 15 version, so it gives a couple nice extra features and performance tweaks.
Xiaomi Mi 9 SE has a much greater hardware performance than OnePlus Open 2 (Rumored), although it has 10 GB less RAM, they both have 8 processing cores. The Xiaomi Mi 9 SE has a brighter display than OnePlus Open 2 (Rumored), because although it has a much smaller screen and a lot lower 1080 x 2340 resolution, it also counts with a just a bit higher number of pixels per inch of display.
OnePlus Open 2 (Rumored) features a much bigger memory capacity to install games and applications than Xiaomi Mi 9 SE, because it has 384 GB more internal memory capacity. OnePlus Open 2 (Rumored) shoots slightly better videos and photos than Xiaomi Mi 9 SE, and although they both have the same (4K) video resolution, the same resolution back facing camera and a same size back camera sensor, the OnePlus Open 2 (Rumored) also has better 60 fps video frame rates and a larger camera aperture to take better low light captures and videos.
The OnePlus Open 2 (Rumored) counts with a really longer battery duration than Xiaomi Mi 9 SE, because it has 5700mAh of battery capacity.
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