Compare phones
| Global Score | |
| 87.7 | 89 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 10 | Android 11 |
| 2020-09-11 | 2021-08-10 |
| 6.45 x 3.00 x 0.37 inches | 6.40 x 2.97 x 0.31 inches |
| 7.51 ounces | 7.94 ounces |
| Black and White | Ceramic Black, Ceramic White and Shadow Gray |
| Plastic and Plastic | Aluminum and Ceramic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.7 inches | 6.7 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED Plus | AMOLED |
| 385 pixels per inch | 393 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 730 SM7150-AA chipset | Qualcomm Snapdragon 888+ SM8350-AC chipset |
| Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Kryo 680 Prime, 64-bit, 5 nm (Octa-Core 3000 MHz) processor |
| 6 GB RAM | 8 GB RAM |
| Adreno 618 GPU | Adreno 660 GPU |
| 9.27 | 9.72 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 14.14 | 10.1 |
| Camera | |
| 64.00 MP + 32.00 MP | 108.00 MP + 20.00 MP |
| f/1.80 aperture | f/1.90 aperture |
| 26.00mm focal length | 24.00mm focal length |
| 0.57 inches (1/1.76") sensor | 0.75 inches (1/1.33") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| -- | 1920 x 1080 (480 fps) (Full HD) slow motion video |
| 11.88 | 13.75 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 10.6 |
| Battery Life | |
| 7000mAh Battery | 4500mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 8.32 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Xiaomi Mi Mix 4 has a general score of 89, which is just a bit better than the Samsung Galaxy M51's 87.7 score. Both of these devices use Android OS (Operating System), but Xiaomi Mi Mix 4 has 11 version and Samsung Galaxy M51 has Android 10. The Xiaomi Mi Mix 4 is a newer and somewhat thinner device than the Samsung Galaxy M51, but it's a bit heavier.
Xiaomi Mi Mix 4 features a little bit better processing power than Galaxy M51, and although they both have a Octa-Core processor, the Xiaomi Mi Mix 4 also has 2 GB more RAM memory. Xiaomi Mi Mix 4 counts with just a bit better display than Galaxy M51, and although they both have a display with the same size, the Xiaomi Mi Mix 4 also has a just a little better pixels number per inch of screen and a slightly higher resolution of 1080 x 2400.
The Samsung Galaxy M51 counts with a much bigger storage capacity to install games and applications than Xiaomi Mi Mix 4, and although they both have the same internal memory, the Samsung Galaxy M51 also has a slot for SD memory cards that admits up to 512 GB. The Galaxy M51 has a much longer battery lifetime than Xiaomi Mi Mix 4, because it has a 56 percent bigger battery size.
Xiaomi Mi Mix 4 captures better photos and videos than Galaxy M51, because although it has a tinier aperture, it also counts with a way better 7680x4320 video definition, a way larger back camera sensor providing a way higher image quality and a much better resolution back-facing camera.
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