Compare phones
| Global Score | |
| 83.8 | 85.5 |
| Basic Information | |
| Xiaomi | Samsung |
| -- | Android 11, 10 |
| 2018-04-03 | 2019-12-27 |
| 5.94 x 2.95 x 0.32 inches | 6.24 x 2.90 x 0.31 inches |
| 6.67 ounces | 6.07 ounces |
| Black and White | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| Aluminum and Ceramic | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 639.00 | $ 282.00 |
| Display / Screen | |
| 6 inches | 6.5 inches |
| 2160 x 1080 pixels | 2400 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 402 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 845 SDM845 chipset | Samsung Exynos 9611 chipset |
| Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 630 GPU | Mali-G72 MP3 GPU |
| 9.63 | 9.27 |
| Storage | |
| 256 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 13.3 | 14.14 |
| Camera | |
| 12.00 MP + 5.00 MP | 48.00 MP + 32.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| 0.39 inches (1/2.55") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1280 x 720 (240 fps) (HD) slow motion video |
| 9.79 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3400mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.36 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Samsung Galaxy A51 has a score of 85.5, which is just a bit better than Xiaomi Mi Mix 2s's score of 83.8. The Samsung Galaxy A51 construction is newer, a bit lighter and a little thinner than Xiaomi Mi Mix 2s. The Xiaomi Mi Mix 2s counts with a little bit better performance than Samsung Galaxy A51, and although they both have the same number of cores, the Xiaomi Mi Mix 2s also has 4 GB more RAM.
The Xiaomi Mi Mix 2s and the Samsung Galaxy A51 count with very similar screens, although the Samsung Galaxy A51 also has a quite bigger display, a just a little better pixels number in each inch in the screen and a slightly better 1080 x 2400 resolution. The Samsung Galaxy A51 captures much clearer pictures and videos than Xiaomi Mi Mix 2s, because although it has a smaller aperture which is not so good for low-light photos, and they both have the same 30 frames per second video frame rate and the same (4K) video resolution, the Samsung Galaxy A51 also counts with a way larger back-facing camera sensor shooting way higher quality videos and photos and a lot more MP camera in the back.
Samsung Galaxy A51 has just a bit bigger memory for applications and games than Xiaomi Mi Mix 2s, because although it has just 128 GB internal memory capacity, it also counts with a SD extension slot that holds up to 512 GB. Galaxy A51 has improved battery duration than Xiaomi Mi Mix 2s, because it has 4000mAh of battery capacity instead of 3400mAh.
Even being the best phone of the ones in this comparison, Galaxy A51 is also by far the cheapest one, which makes this phone a no doubt choice.
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