Compare phones
| Global Score | |
| 87.7 | 83.3 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 10 | Android 10, 9.0 Pie, 8.0 Oreo |
| 2020-09-11 | 2018-06-05 |
| 6.45 x 3.00 x 0.37 inches | 6.10 x 2.94 x 0.30 inches |
| 7.51 ounces | 6.17 ounces |
| Black and White | Black, Blue, Gold and White |
| Plastic and Plastic | Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.7 inches | 6.2 inches |
| 2340 x 1080 pixels | 2248 x 1080 pixels |
| Super AMOLED Plus | AMOLED |
| 385 pixels per inch | 402 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 | 6 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 | 12.00 MP + 20.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | 56.00mm 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 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 11.88 | 9.9 |
| 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 | 3400mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 8.32 | 5.36 |
| 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, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Galaxy M51 has a score of 87.7, which is slightly better than the Xiaomi Mi 8's global score of 83.3. Even though the Galaxy M51 is notably newer than the Xiaomi Mi 8, it's heavier and somewhat thicker. These devices work with the same Android 10 OS (Operating System), so you shouldn't perceive any differences in that aspect.
Xiaomi Mi 8 features a bit better hardware performance than Galaxy M51. They have a 6 GB RAM and 8 cpu cores. Xiaomi Mi 8 counts with a little sharper display than Galaxy M51, because although it has a little lower resolution of 1080 x 2248px and a quite smaller screen, it also counts with a bit better pixel density.
The Samsung Galaxy M51 counts with a little bit better storage capacity for apps and games than Xiaomi Mi 8, because although it has only 128 GB internal memory capacity, it also counts with an external SD slot that supports a maximum of 512 GB. The Samsung Galaxy M51 features a way better camera than Xiaomi Mi 8, and although they both have the same video definition, a F1.8 aperture and the same video frame rates, the Samsung Galaxy M51 also has a much bigger sensor providing a way higher image quality and a camera in the back with a much better 64 MP resolution.
Galaxy M51 counts with a really longer battery life than Xiaomi Mi 8, because it has a 7000mAh battery size.
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