Compare phones
| Global Score | |
| 74.9 | 76 |
| Basic Information | |
| Xiaomi | OnePlus |
| Android 8.1 Oreo | -- |
| 2018-07-19 | 2020-04-21 |
| 6.94 x 3.44 x 0.31 inches | 6.31 x 2.87 x 0.31 inches |
| 7.80 ounces | 6.35 ounces |
| 16 777 216 | Glacial green |
| Aluminum | Aluminum and Glass (Corning Gorilla Glass 5) |
| -- | Scratch-Resistant Glass |
| -- | $ 330.00 |
| Display / Screen | |
| 6.9 inches | 6.5 inches |
| 2160 x 1080 pixels | 2400 x 1080 pixels |
| IPS LCD | AMOLED |
| 350 pixels per inch | 405 pixels per inch |
| -- | 1100 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.7 | 9 |
| Performance | |
| Qualcomm Snapdragon 636 SDM636 chipset | Qualcomm Snapdragon 865 SM8250 chipset |
| Kryo 260, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | Kryo 585, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| Adreno 509 GPU | Adreno 650 GPU |
| 8.91 | 9.63 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | No SD card slot |
| 10.78 | 10.1 |
| Camera | |
| 12.00 MP + 8.00 MP | 48.00 MP + 16.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| -- | 25.00mm focal length |
| 0.39 inches (1/2.55") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 9.68 | 11.88 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.3 | 10.7 |
| Battery Life | |
| 5500mAh Li - Polymer Battery | 4300mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.2 | 6.16 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.1 |
| GPS | GPS |
| -- | 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 |
| FM Radio | -- |
Comparison review
The OnePlus 8 has a global score of 76, which is a little bit better than Xiaomi Mi Max 3's overall score of 74.9. The OnePlus 8 is a somewhat lighter cellphone than the Xiaomi Mi Max 3, but both have the same thickness. OnePlus 8 has a little better performance than Xiaomi Mi Max 3, and although they both have a Octa-Core processor, the OnePlus 8 also has a larger amount of RAM memory.
The OnePlus 8 has a brighter display than Xiaomi Mi Max 3, because although it has a quite smaller screen, it also counts with a little higher 1080 x 2400 resolution and a bit better amount of pixels per inch in the display. The OnePlus 8 takes much better photos and videos than Xiaomi Mi Max 3, and although they both have the same 3840x2160 (4K) video definition, the OnePlus 8 also has a larger aperture, a lot more MP camera, a way bigger back camera sensor which gives a way higher photo and video quality and faster video frame rates.
Xiaomi Mi Max 3 has a slightly better memory for applications and games than OnePlus 8, because although it has 0 less internal storage, it also counts with a SD card slot that supports a maximum of 256 GB. The Xiaomi Mi Max 3 features improved battery lifetime than OnePlus 8, because it has a 28% bigger battery size.
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