Compare phones
| Global Score | |
| 87.7 | 80.4 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 10 | Android 9.0 Pie, 8.1 Oreo |
| 2020-09-11 | 2018-04-20 |
| 6.45 x 3.00 x 0.37 inches | 6.36 x 2.97 x 0.36 inches |
| 7.51 ounces | 6.70 ounces |
| Black and White | Black, Blue and Gray |
| Plastic and Plastic | -- |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.7 inches | 6 inches |
| 2340 x 1080 pixels | 2160 x 1080 pixels |
| Super AMOLED Plus | IPS LCD |
| 385 pixels per inch | 402 pixels per inch |
| -- | 550 cd/m2 brightness |
| No touch screen | No touch screen |
| 8 | 8.5 |
| 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 | 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 | 12.00 MP + 20.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.57 inches (1/1.76") sensor | 0.34 inches (1/2.9") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (120 fps) (HD) slow motion video |
| 11.88 | 9.79 |
| 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 | 4000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 8.32 | 5.92 |
| 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 Samsung Galaxy M51 is slightly better than the Xiaomi Black Shark, getting a general score of 87.7 against 80.4. Both phones in this comparison use Android OS, but Samsung Galaxy M51 has the older 10 version while Xiaomi Black Shark has Android 9.0 Pie version. Even though Samsung Galaxy M51 is noticeably newer than the Xiaomi Black Shark, it is somewhat heavier and a little bit thicker.
Xiaomi Black Shark has a bit more vivid display than Samsung Galaxy M51, because although it has a little worse resolution of 1080 x 2160 and a little bit smaller screen, it also counts with a bit more pixels per display inch. The Xiaomi Black Shark has a bit better CPU than Galaxy M51, and although they both have the same number of cores, the Xiaomi Black Shark also has a larger amount of RAM.
Galaxy M51 has a much better memory capacity to install applications and games than Xiaomi Black Shark, and although they both have the same 128 GB internal memory capacity, the Galaxy M51 also has a SD memory slot that admits a maximum of 512 GB. The Samsung Galaxy M51 has a superior battery lifetime than Xiaomi Black Shark, because it has 7000mAh of battery capacity.
The Galaxy M51 has a lot better camera than Xiaomi Black Shark, and although they both have the same video frame rate, a same size aperture and the same video resolution, the Galaxy M51 also has a much bigger back camera sensor capturing much higher quality photographs and a camera with a much better 64 megapixels resolution.
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