Compare phones
| Global Score | |
| 88.3 | 87.7 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | Android 10 |
| 2021-05-06 | 2020-09-11 |
| 6.45 x 3.01 x 0.41 inches | 6.45 x 3.00 x 0.37 inches |
| 7.41 ounces | 7.51 ounces |
| Mirror Black and Pale Grey | Black and White |
| Metal and Plastic | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| $ 499.00 | -- |
| Display / Screen | |
| 6.7 inches | 6.7 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| -- | Super AMOLED Plus |
| 393 pixels per inch | 385 pixels per inch |
| 1300 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.1 | 8 |
| Performance | |
| Qualcomm Snapdragon 870 SM8250-AC chipset | Qualcomm Snapdragon 730 SM7150-AA chipset |
| Kryo 585, 64-bit, 7 nm (Octa-Core 3200 MHz) processor | Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 8 GB RAM | 6 GB RAM |
| Adreno 650 GPU | Adreno 618 GPU |
| 9.81 | 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 | |
| 48.00 MP + 20.00 MP | 64.00 MP + 32.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.57 inches (1/1.76") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | -- |
| 11.99 | 11.88 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Dual SIM | Nano SIM, Dual SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 4500mAh Li - Polymer Battery | 7000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 8.32 |
| 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, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Xiaomi Black Shark 4 has a global score of 88.3, which is a little bit better than the Samsung Galaxy M51's 87.7 score. The Xiaomi Black Shark 4 design is a little bit thicker but a bit lighter than Samsung Galaxy M51, and they were released with only 8 months difference. Both devices in this review use Android OS (operating system), but the Xiaomi Black Shark 4 has a more recent 11 version while Samsung Galaxy M51 has Android 10 version.
Xiaomi Black Shark 4 features a little better performance than Galaxy M51, and although they both have the same number of cores, the Xiaomi Black Shark 4 also has 2 GB more RAM memory. Xiaomi Black Shark 4 counts with a sharper display than Samsung Galaxy M51, and although they both have a display of the same size, the Xiaomi Black Shark 4 also has a just a bit more pixels per inch in the display and a little higher 1080 x 2400 resolution.
The Xiaomi Black Shark 4 takes clearer pictures and videos than Samsung Galaxy M51, although it has a worse video definition, a back facing camera with much less mega pixels resolution and a tinier back-facing camera sensor capturing worse quality pictures, they both have a F1.8 diafragm aperture.
The Galaxy M51 features a much better memory to install applications and games than Xiaomi Black Shark 4, and although they both have equal 128 GB internal memory capacity, the Galaxy M51 also has a SD memory slot that allows up to 512 GB. Galaxy M51 counts with a really longer battery duration than Xiaomi Black Shark 4, because it has a 7000mAh battery capacity.
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