Compare phones
| Global Score | |
| 88.9 | 86.5 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 10 | Android 11, 10 |
| 2019-09-24 | 2020-03-05 |
| 6.08 x 2.85 x 0.41 inches | 6.27 x 2.96 x 0.35 inches |
| 8.50 ounces | 6.74 ounces |
| Black | Black, Blue and Red |
| Titanium | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 7.9 inches | 6.4 inches |
| 2250 x 2088 pixels | 2340 x 1080 pixels |
| OLED | Super AMOLED |
| 389 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.2 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 855+ SM8150-AC chipset | Exynos 9611 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2960 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 12 GB RAM | 6 GB RAM |
| Adreno 640 GPU | Mali-G72 MP3 GPU |
| 9.81 | 9.36 |
| Storage | |
| 512 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 17.6 | 11.74 |
| Camera | |
| 108.00 MP | 64.00 MP + 32.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| 0.75 inches (1/1.33") sensor | 0.59 inches (1/1.7") sensor |
| 3840 x 2160 (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 10.56 | 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+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4050mAh Li - Ion Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| 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 Xiaomi Mi Mix Alpha has a general score of 88.9, which is slightly better than Galaxy M31's 86.5 score. The Xiaomi Mi Mix Alpha body is somewhat thicker and extremely heavier than Galaxy M31. Both phones in this review have Android OS, but Xiaomi Mi Mix Alpha has the previous 10 version and Galaxy M31 has Android 11.
Galaxy M31 counts with a little bit better display than Xiaomi Mi Mix Alpha, because although it has a much lower 1080 x 2340 resolution and a quite smaller screen, it also counts with a just a little more pixels per display inch. Xiaomi Mi Mix Alpha has a little bit better hardware performance than Samsung Galaxy M31, and although they both have the same number of cores, the Xiaomi Mi Mix Alpha also has a greater amount of RAM memory.
Xiaomi Mi Mix Alpha has a much bigger storage capacity for games and applications than Samsung Galaxy M31, because although it has no slot for SD memory cards, it also counts with 512 GB internal storage. The Galaxy M31 takes much better pictures and videos than Xiaomi Mi Mix Alpha, although it has a smaller aperture, a back camera with much less mega pixels, a lower (4K) video quality and a way smaller camera sensor which provides a much worse image and video quality.
The Samsung Galaxy M31 features a really longer battery performance than Xiaomi Mi Mix Alpha, because it has a 48% bigger battery size.
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