Compare phones
| Global Score | |
| 87.7 | 88.9 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 10 | Android 10 |
| 2020-09-11 | 2019-09-24 |
| 6.45 x 3.00 x 0.37 inches | 6.08 x 2.85 x 0.41 inches |
| 7.51 ounces | 8.50 ounces |
| Black and White | Black |
| Plastic and Plastic | Titanium |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.7 inches | 7.9 inches |
| 2340 x 1080 pixels | 2250 x 2088 pixels |
| Super AMOLED Plus | OLED |
| 385 pixels per inch | 389 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8.2 |
| Performance | |
| Qualcomm Snapdragon 730 SM7150-AA chipset | Qualcomm Snapdragon 855+ SM8150-AC chipset |
| Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2960 MHz) processor |
| 6 GB RAM | 12 GB RAM |
| Adreno 618 GPU | Adreno 640 GPU |
| 9.27 | 9.81 |
| Storage | |
| 128 GB internal memory | 512 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 14.14 | 17.6 |
| Camera | |
| 64.00 MP + 32.00 MP | 108.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| 26.00mm focal length | -- |
| 0.57 inches (1/1.76") sensor | 0.75 inches (1/1.33") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (4K) video resolution |
| 11.88 | 10.56 |
| 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 | |
| 7000mAh Battery | 4050mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 8.32 | 6 |
| 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 is slightly better than Galaxy M51, having an 88.9 score against 87.7. Both of these devices work with the same Android 10 OS. Although it's the best phone in our current comparison, we must tell that it's also an older, just a bit thicker and somewhat heavier phone. The Xiaomi Mi Mix Alpha counts with a bit superior processing unit than Samsung Galaxy M51, and although they both have the same number of cores, the Xiaomi Mi Mix Alpha also has a greater amount of RAM memory.
The Xiaomi Mi Mix Alpha counts with a bit more vivid display than Galaxy M51, because it has a higher 2088 x 2250 resolution, a little bit higher quantity of pixels per inch in the screen and a larger screen. Xiaomi Mi Mix Alpha counts with much more memory capacity to install applications and games than Samsung Galaxy M51, because although it has no external SD slot, it also counts with 512 GB internal storage capacity.
Samsung Galaxy M51 features a much longer battery life than Xiaomi Mi Mix Alpha, because it has 7000mAh of battery capacity instead of 4050mAh. The Samsung Galaxy M51 counts with a better camera than Xiaomi Mi Mix Alpha, although it has a way smaller sensor capturing way lower quality photographs and videos, a tinier diafragm aperture which is not favorable for capturing photos and/or video in low-light situations, a back facing camera with a way worse resolution and a lower 3840x2160 video quality.
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