Compare phones
| Global Score | |
| 87.7 | 83.8 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 10 | -- |
| 2020-09-11 | 2018-11-01 |
| 6.45 x 3.00 x 0.37 inches | 6.22 x 2.94 x 0.33 inches |
| 7.51 ounces | 7.69 ounces |
| Black and White | Black, Blue and Green |
| Plastic and Plastic | Aluminum and Ceramic |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.7 inches | 6.4 inches |
| 2340 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED Plus | Super AMOLED |
| 385 pixels per inch | 403 pixels per inch |
| -- | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 8 | 8.6 |
| Performance | |
| Qualcomm Snapdragon 730 SM7150-AA chipset | Qualcomm Snapdragon 845 SDM845 chipset |
| Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor |
| 6 GB RAM | 8 GB RAM |
| Adreno 618 GPU | Adreno 630 GPU |
| 9.27 | 9.63 |
| Storage | |
| 128 GB internal memory | 256 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 14.14 | 13.3 |
| Camera | |
| 64.00 MP + 32.00 MP | 12.20 MP + 24.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.57 inches (1/1.76") sensor | 0.39 inches (1/2.55") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| -- | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 11.88 | 10.34 |
| 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 and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.3 |
| Battery Life | |
| 7000mAh Battery | 3200mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 8.32 | 5.2 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | 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 Galaxy M51 is a little bit better than the Xiaomi Mi Mix 3, getting a global score of 87.7 against 83.8. The Galaxy M51 design is newer and a little lighter than Xiaomi Mi Mix 3's, but it is somewhat thicker. Xiaomi Mi Mix 3 has a bit superior processing unit than Galaxy M51, and although they both have a Octa-Core processing unit, the Xiaomi Mi Mix 3 also has more RAM.
Xiaomi Mi Mix 3 counts with a little sharper screen than Galaxy M51, because although it has a little bit smaller display, and they both have an equal 1080 x 2340 pixels resolution, the Xiaomi Mi Mix 3 also counts with a little more pixels per display inch. Samsung Galaxy M51 has a better camera than Xiaomi Mi Mix 3, because although it has lower video frame rates, and they both have the same (4K) video resolution and the same camera aperture, the Samsung Galaxy M51 also counts with a lot bigger back-facing camera sensor and a back-facing camera with way more mega-pixels.
Samsung Galaxy M51 has a slightly better memory capacity to install applications and games than Xiaomi Mi Mix 3, because although it has 0 less internal storage capacity, it also counts with an external memory slot that admits up to 512 GB. Samsung Galaxy M51 has a really longer battery duration than Xiaomi Mi Mix 3, because it has a 119 percent bigger battery capacity.
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