Compare phones
| Global Score | |
| 83.8 | 85.5 |
| Basic Information | |
| Xiaomi | Samsung |
| -- | Android 11, 10 |
| 2018-11-01 | 2019-12-27 |
| 6.22 x 2.94 x 0.33 inches | 6.24 x 2.90 x 0.31 inches |
| 7.69 ounces | 6.07 ounces |
| Black, Blue and Green | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| Aluminum and Ceramic | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| -- | $ 282.00 |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 403 pixels per inch | 405 pixels per inch |
| 600 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.6 | 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 | |
| 12.20 MP + 24.00 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 (60 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (960 fps) (Full HD) slow motion video | 1280 x 720 (240 fps) (HD) slow motion video |
| 10.34 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.3 | 6.7 |
| Battery Life | |
| 3200mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.2 | 5.92 |
| 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, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Galaxy A51 is a little bit better than the Xiaomi Mi Mix 3, getting a score of 85.5 against 83.8. The Galaxy A51 body is newer, just a little bit thinner and extremely lighter than the Xiaomi Mi Mix 3. Xiaomi Mi Mix 3 has a bit sharper display than Galaxy A51, although it has a little less pixels per inch of screen, a little bit worse 1080 x 2340px resolution and a little bit smaller display.
Samsung Galaxy A51 has just a bit more memory to install applications and games than Xiaomi Mi Mix 3, because although it has just 128 GB internal memory capacity, it also counts with a slot for SD memory cards that allows a maximum of 512 GB. The Xiaomi Mi Mix 3 counts with a bit faster CPU than Galaxy A51, and although they both have 8 cores, the Xiaomi Mi Mix 3 also has a greater amount of RAM memory.
Samsung Galaxy A51 takes better pictures and videos than Xiaomi Mi Mix 3, because although it has a tinier diafragm aperture which is not nice for taking photographs and/or video in poorly lited environments and slower 30 fps video frame rate, and they both have the same 3840x2160 video definition, the Samsung Galaxy A51 also counts with a way bigger sensor and a camera in the back with a lot higher resolution.
Galaxy A51 has greater battery performance than Xiaomi Mi Mix 3, because it has a 25 percent larger battery size.
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