Compare phones
| Global Score | |
| 90.8 | 82.9 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android 9.0 Pie |
| 2020-04-29 | 2019-10-20 |
| 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 | Iceberg grey and Shadow black |
| 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+ SM8150-AC 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 2960 MHz) processor |
| 6 GB RAM | 8 GB RAM |
| Mali-G76 MP5 GPU | Adreno 640 GPU |
| 9.27 | 9.72 |
| 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 (60 fps) (4K) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 11.55 | 11.88 |
| 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
Samsung Galaxy A51 5G has an overall score of 90.8, which is a bit better than Xiaomi Black Shark 2 Pro's global score of 82.9. These devices have Android OS (Operating System), but Samsung Galaxy A51 5G has the previous 11 version and Xiaomi Black Shark 2 Pro has Android 9.0 Pie. Samsung Galaxy A51 5G is a a bit thinner and just a little lighter cellphone than the Xiaomi Black Shark 2 Pro, even when they were released only 6 months apart.
Xiaomi Black Shark 2 Pro has a little faster CPU than Galaxy A51 5G, and although they both have the same number of cores, the Xiaomi Black Shark 2 Pro also has 2 GB more RAM memory. Xiaomi Black Shark 2 Pro counts with a bit sharper display than Samsung Galaxy A51 5G, although it has a little bit worse resolution of 1080 x 2340, a bit lower display density and a little bit smaller display.
The Xiaomi Black Shark 2 Pro features a little bit better camera than Galaxy A51 5G, and although they both have a 0.5 inches back camera sensor, the same video quality and a same resolution back-facing camera, the Xiaomi Black Shark 2 Pro also has a larger diafragm aperture for better low-light photography and videos and faster 60 fps video frame rate.
Samsung Galaxy A51 5G counts with much more memory for applications, games, photos and videos than Xiaomi Black Shark 2 Pro, and although they both have equal internal storage, the Samsung Galaxy A51 5G also has an external memory slot that supports a maximum of 1000 GB. Samsung Galaxy A51 5G counts with a little better battery performance than Xiaomi Black Shark 2 Pro, because it has a 4500mAh battery capacity against 4000mAh.
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