Compare phones
| Global Score | |
| 90.8 | 82.3 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android 10, 9.0 Pie |
| 2020-04-29 | 2019-03-28 |
| 6.26 x 2.90 x 0.34 inches | 6.44 x 2.95 x 0.35 inches |
| 6.60 ounces | 7.23 ounces |
| Prism cube black | Black and Silver |
| Aluminum and Plastic | -- |
| Scratch-Resistant Glass | -- |
| $ 339.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.4 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | AMOLED |
| 405 pixels per inch | 403 pixels per inch |
| -- | 430 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 8.4 |
| Performance | |
| Samsung Exynos 980 chipset | Qualcomm Snapdragon 855 chipset |
| ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 6 GB RAM | 8 GB RAM |
| Mali-G76 MP5 GPU | Adreno 640 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 | 48.00 MP + 20.00 MP |
| f/2.00 aperture | f/1.80 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 (480 fps) (HD) slow motion video | 1280 x 720 (120 fps) (HD) slow motion video |
| 11.55 | 11.55 |
| 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 Galaxy A51 5G is better than Xiaomi Black Shark 2, having a 90.8 score against 82.3. Both of these phones come with Android operating system, but Galaxy A51 5G has 11 version and Xiaomi Black Shark 2 has Android 10 version. Galaxy A51 5G is a newer cellphone, and it is also a little bit lighter and just a little thinner than the Xiaomi Black Shark 2.
Xiaomi Black Shark 2 counts with a bit better looking display than Samsung Galaxy A51 5G, although it has a just a bit less pixels per inch in the display, a little smaller screen and a bit worse 1080 x 2340 pixels resolution. Xiaomi Black Shark 2 features a little faster CPU than Galaxy A51 5G, and although they both have a Octa-Core CPU, the Xiaomi Black Shark 2 also has a greater amount of RAM memory.
Xiaomi Black Shark 2's camera is very similar to Galaxy A51 5G's camera, and although the Xiaomi Black Shark 2 has a bigger camera aperture, they both have the same 3840x2160 (4K) video definition, a camera with a 48 MP, a 0.5 inches back-facing camera sensor and the same 30 frames per second video frame rates.
The Samsung Galaxy A51 5G counts with a much better memory capacity to store more games and applications than Xiaomi Black Shark 2, and although they both have the same 128 GB internal storage capacity, the Samsung Galaxy A51 5G also has a slot for SD memory cards that admits a maximum of 1000 GB. The Galaxy A51 5G features just a little bit longer battery lifetime than Xiaomi Black Shark 2, because it has 4500mAh of battery capacity against 4000mAh.
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