Compare phones
| Global Score | |
| 80.4 | 87.7 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 9.0 Pie, 8.1 Oreo | Android 10 |
| 2018-04-20 | 2020-09-11 |
| 6.36 x 2.97 x 0.36 inches | 6.45 x 3.00 x 0.37 inches |
| 6.70 ounces | 7.51 ounces |
| Black, Blue and Gray | Black and White |
| -- | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6 inches | 6.7 inches |
| 2160 x 1080 pixels | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED Plus |
| 402 pixels per inch | 385 pixels per inch |
| 550 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.5 | 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 |
| 8 GB RAM | 6 GB RAM |
| Adreno 630 GPU | Adreno 618 GPU |
| 9.63 | 9.27 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 14.14 |
| Camera | |
| 12.00 MP + 20.00 MP | 64.00 MP + 32.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| 0.34 inches (1/2.9") 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 (120 fps) (HD) slow motion video | -- |
| 9.79 | 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 | |
| 4000mAh Li - Ion Battery | 7000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 8.32 |
| 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 Galaxy M51 is just a bit better than the Xiaomi Black Shark, having an 87.7 score against 80.4. Galaxy M51 is a newer phone than the Xiaomi Black Shark, although it is heavier and a little bit thicker. Both of these phones come with Android operating system, but Galaxy M51 has the previous 10 version and Xiaomi Black Shark has Android 9.0 Pie.
The Xiaomi Black Shark features just a bit better screen than Samsung Galaxy M51, because although it has a little bit lower resolution of 1080 x 2160 pixels and a quite smaller screen, it also counts with a little bit higher pixel density. Xiaomi Black Shark has a little better processing power than Galaxy M51, and although they both have a Octa-Core processor, the Xiaomi Black Shark also has 2 GB more RAM memory.
The Samsung Galaxy M51 shoots much better pictures and videos than Xiaomi Black Shark, and although they both have the same video frame rates, the same diafragm aperture and the same video quality, the Samsung Galaxy M51 also has a much bigger sensor taking much higher quality photographs and videos and a much higher 64 megapixels resolution back facing camera.
Galaxy M51 counts with a much bigger storage to store more apps and games than Xiaomi Black Shark, and although they both have exactly the same internal storage capacity, the Galaxy M51 also has an external SD slot that allows up to 512 GB. Galaxy M51 has a much longer battery performance than Xiaomi Black Shark, because it has a 75 percent bigger battery size.
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