Compare phones
| Global Score | |
| 82.3 | 90.8 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 10, 9.0 Pie | Android 11, 10 |
| 2019-03-28 | 2020-04-29 |
| 6.44 x 2.95 x 0.35 inches | 6.26 x 2.90 x 0.34 inches |
| 7.23 ounces | 6.60 ounces |
| Black and Silver | Prism cube black |
| -- | Aluminum and Plastic |
| -- | Scratch-Resistant Glass |
| -- | $ 339.00 |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| AMOLED | Super AMOLED |
| 403 pixels per inch | 405 pixels per inch |
| 430 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 855 chipset | Samsung Exynos 980 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 8 GB RAM | 6 GB RAM |
| Adreno 640 GPU | Mali-G76 MP5 GPU |
| 9.63 | 9.27 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 1000 GB) external memory slot |
| 10.1 | 15.38 |
| Camera | |
| 48.00 MP + 20.00 MP | 48.00 MP + 32.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.5 inches (1/2") 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 | 1280 x 720 (480 fps) (HD) slow motion video |
| 11.55 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 4000mAh Li - Ion Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 6.32 |
| 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
Galaxy A51 5G has a score of 90.8, which is much better than the Xiaomi Black Shark 2's 82.3 general score. The Galaxy A51 5G is a newer phone, and it is also a little bit lighter and a little bit thinner than Xiaomi Black Shark 2. These phones use Android OS (operating system), but the Galaxy A51 5G has a more recent 11 version while Xiaomi Black Shark 2 has Android 10.
The Xiaomi Black Shark 2 features a little bit better performance than Galaxy A51 5G, and although they both have 8 cpu cores, the Xiaomi Black Shark 2 also has a higher amount of RAM. The Xiaomi Black Shark 2 has a bit sharper display than Samsung Galaxy A51 5G, although it has a quite smaller screen, a bit lower resolution of 1080 x 2340px and a little worse pixels number per display inch.
The Galaxy A51 5G counts with a much better storage capacity for applications, games, photos and videos than Xiaomi Black Shark 2, and although they both have exactly the same internal storage, the Galaxy A51 5G also has an external memory slot that admits up to 1000 GB. The Xiaomi Black Shark 2 and the Galaxy A51 5G both feature really similar cameras, and although the Galaxy A51 5G has a tinier aperture, they both have a same size back camera sensor, the same video frame rate, the same 3840x2160 (4K) video definition and a same resolution back camera.
Samsung Galaxy A51 5G counts with just a bit longer battery duration than Xiaomi Black Shark 2, because it has a 4500mAh battery capacity.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.