Compare phones
| Global Score | |
| 90.8 | 83.8 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | -- |
| 2020-04-29 | 2018-04-03 |
| 6.26 x 2.90 x 0.34 inches | 5.94 x 2.95 x 0.32 inches |
| 6.60 ounces | 6.67 ounces |
| Prism cube black | Black and White |
| Aluminum and Plastic | Aluminum and Ceramic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 339.00 | $ 639.00 |
| 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 |
| No touch screen | No touch screen |
| 8.1 | 8.1 |
| 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 | 256 GB internal memory |
| microSDXC (up to 1000 GB) external memory slot | No SD card slot |
| 15.38 | 13.3 |
| Camera | |
| 48.00 MP + 32.00 MP | 12.00 MP + 5.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") sensor | 0.39 inches (1/2.55") 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 | 1920 x 1080 (240 fps) (Full 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 | 3400mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.32 | 5.36 |
| 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, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Samsung Galaxy A51 5G has an overall score of 90.8, which is a bit better than the Xiaomi Mi Mix 2s's score of 83.8. The Samsung Galaxy A51 5G construction is notably newer and a bit lighter than Xiaomi Mi Mix 2s's, but it is also just a little bit thicker. Xiaomi Mi Mix 2s features a bit better hardware performance than Galaxy A51 5G, and although they both have the same number of cores, the Xiaomi Mi Mix 2s also has a larger amount of RAM.
Xiaomi Mi Mix 2s has a display that is just as good as the Galaxy A51 5G one, although the Xiaomi Mi Mix 2s has a quite smaller screen, a just a little inferior amount of pixels per display inch and a bit worse resolution of 1080 x 2160 pixels. The Galaxy A51 5G has a better storage capacity to install applications and games than Xiaomi Mi Mix 2s, because although it has less internal memory capacity, it also counts with an external SD slot that holds a maximum of 1000 GB.
Galaxy A51 5G counts with improved battery life than Xiaomi Mi Mix 2s, because it has 4500mAh of battery capacity. Galaxy A51 5G takes much better videos and photos than Xiaomi Mi Mix 2s, because although it has a smaller aperture, and they both have the same (4K) video resolution and the same 30 fps video frame rates, the Galaxy A51 5G also counts with a way larger sensor providing a way better image quality and a back-facing camera with lot more megapixels.
Samsung Galaxy A51 5G is not only the best phones between the ones we are comparing, but it's also by far the cheapest one, making it a no doubt choice.
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