Compare phones
| Global Score | |
| 90.8 | 80.4 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android 9.0 Pie, 8.1 Oreo |
| 2020-04-29 | 2018-04-20 |
| 6.26 x 2.90 x 0.34 inches | 6.36 x 2.97 x 0.36 inches |
| 6.60 ounces | 6.70 ounces |
| Prism cube black | Black, Blue and Gray |
| Aluminum and Plastic | -- |
| Scratch-Resistant Glass | -- |
| $ 339.00 | -- |
| Display / Screen | |
| 6.5 inches | 6 inches |
| 2400 x 1080 pixels | 2160 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 405 pixels per inch | 402 pixels per inch |
| -- | 550 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 8.5 |
| Performance | |
| Samsung Exynos 980 chipset | Qualcomm Snapdragon 845 SDM845 chipset |
| ARM Cortex-A77 and ARM Cortex-A55, 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 |
| Mali-G76 MP5 GPU | Adreno 630 GPU |
| 9.27 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 1000 GB) external memory slot | No SD card slot |
| 15.38 | 10.1 |
| Camera | |
| 48.00 MP + 32.00 MP | 12.00 MP + 20.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") 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 (480 fps) (HD) slow motion video | 1280 x 720 (120 fps) (HD) slow motion video |
| 11.55 | 9.79 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 4500mAh Li - Polymer Battery | 4000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 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 A51 5G is better than Xiaomi Black Shark, getting a global score of 90.8 against 80.4. Samsung Galaxy A51 5G's design is much newer, a little lighter and just a little thinner than the Xiaomi Black Shark. Both of these devices have Android OS (operating system), but the Samsung Galaxy A51 5G has the previous 11 version and Xiaomi Black Shark has Android 9.0 Pie version.
The Xiaomi Black Shark counts with just a bit better display than Samsung Galaxy A51 5G, although it has a quite lower resolution of 1080 x 2160 pixels, a just a bit worse display density and a bit smaller display. Galaxy A51 5G features a much bigger storage capacity to store more games and applications than Xiaomi Black Shark, and although they both have exactly the same internal memory capacity, the Galaxy A51 5G also has a SD memory card expansion slot that allows up to 1000 GB.
The Xiaomi Black Shark counts with just a little better hardware performance than Galaxy A51 5G, and although they both have a Octa-Core CPU, the Xiaomi Black Shark also has a higher amount of RAM memory. The Galaxy A51 5G captures much clearer pictures and videos than Xiaomi Black Shark, because although it has a tinier camera aperture which is not favorable for capturing images and video in low light environments, and they both have the same 3840x2160 (4K) video resolution and the same 30 fps video frame rate, the Galaxy A51 5G also counts with a much larger back camera sensor providing a way higher image quality and a camera in the back with much more mega-pixels.
Galaxy A51 5G features just a little better battery performance than Xiaomi Black Shark, because it has a 4500mAh battery size.
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