Compare phones
| Global Score | |
| 83.3 | 87.7 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 10, 9.0 Pie, 8.0 Oreo | Android 10 |
| 2018-06-05 | 2020-09-11 |
| 6.10 x 2.94 x 0.30 inches | 6.45 x 3.00 x 0.37 inches |
| 6.17 ounces | 7.51 ounces |
| Black, Blue, Gold and White | Black and White |
| Glass (Corning Gorilla Glass 5) | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.2 inches | 6.7 inches |
| 2248 x 1080 pixels | 2340 x 1080 pixels |
| AMOLED | Super AMOLED Plus |
| 402 pixels per inch | 385 pixels per inch |
| 600 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.6 | 8 |
| Performance | |
| Qualcomm Snapdragon 845 SDM845 chipset | Qualcomm Snapdragon 730 SM7150-AA chipset |
| Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor | Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 6 GB RAM | 6 GB RAM |
| Adreno 630 GPU | Adreno 618 GPU |
| 9.63 | 9.27 |
| Storage | |
| 256 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 13.3 | 14.14 |
| Camera | |
| 12.00 MP + 20.00 MP | 64.00 MP + 32.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 56.00mm focal length | 26.00mm focal length |
| 0.39 inches (1/2.55") sensor | 0.57 inches (1/1.76") 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 | -- |
| 9.9 | 11.88 |
| 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 | |
| 3400mAh Li - Polymer Battery | 7000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.36 | 8.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Galaxy M51 is slightly better than the Xiaomi Mi 8, having a score of 87.7 against 83.3. Both phones we compare here work with the same Android 10 OS (operating system), so both of them should give you all the same operating system features. Galaxy M51's construction is newer, but somewhat thicker and heavier than the Xiaomi Mi 8.
The Xiaomi Mi 8 has a little faster CPU than Galaxy M51. Both have a 6 GB RAM and a Octa-Core processor. Xiaomi Mi 8 has a little bit better screen than Samsung Galaxy M51, because although it has a bit smaller screen and a bit worse 1080 x 2248px resolution, it also counts with a little bit higher screen density.
Galaxy M51 has a much better camera than Xiaomi Mi 8, and although they both have the same video frame rate, the same diafragm aperture and the same 3840x2160 (4K) video resolution, the Galaxy M51 also has a much higher resolution camera and a way larger sensor providing a way higher image quality.
The Galaxy M51 counts with just a bit more memory to store more games and applications than Xiaomi Mi 8, because although it has 0 less internal memory capacity, it also counts with a SD memory slot that holds a maximum of 512 GB. The Galaxy M51 counts with a really longer battery duration than Xiaomi Mi 8, because it has 7000mAh of battery capacity instead of 3400mAh.
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