Compare phones
| Global Score | |
| 85.5 | 83.8 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | -- |
| 2019-12-27 | 2018-11-01 |
| 6.24 x 2.90 x 0.31 inches | 6.22 x 2.94 x 0.33 inches |
| 6.07 ounces | 7.69 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white | Black, Blue and Green |
| Plastic and Plastic | Aluminum and Ceramic |
| Scratch-Resistant Glass | -- |
| $ 282.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.4 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 405 pixels per inch | 403 pixels per inch |
| -- | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 8.6 |
| Performance | |
| Samsung Exynos 9611 chipset | Qualcomm Snapdragon 845 SDM845 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| Mali-G72 MP3 GPU | Adreno 630 GPU |
| 9.27 | 9.63 |
| Storage | |
| 128 GB internal memory | 256 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 14.14 | 13.3 |
| Camera | |
| 48.00 MP + 32.00 MP | 12.20 MP + 24.00 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 (60 fps) (4K) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 11.55 | 10.34 |
| 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 and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.3 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3200mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 5.2 |
| 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
The Galaxy A51 has a global score of 85.5, which is slightly better than the Xiaomi Mi Mix 3's general score of 83.8. The Galaxy A51 is a newer cellphone, and it is also just a little bit thinner and lighter than the Xiaomi Mi Mix 3. Xiaomi Mi Mix 3 features a slightly better display than Galaxy A51, although it has a just a little inferior pixels number per inch in the display, a little lower resolution of 1080 x 2340px and a quite smaller screen.
Xiaomi Mi Mix 3 counts with a little faster CPU than Samsung Galaxy A51, and although they both have 8 cores, the Xiaomi Mi Mix 3 also has a larger amount of RAM memory. The Galaxy A51 takes much clearer pictures and videos than Xiaomi Mi Mix 3, because although it has lower 30 frames per second video frame rates and a smaller aperture, and they both have the same 3840x2160 (4K) video resolution, the Galaxy A51 also counts with a way more megapixels camera and a much larger back-facing camera sensor capturing lot better quality videos and photographs.
Galaxy A51 counts with just a bit bigger memory for applications and games than Xiaomi Mi Mix 3, because although it has just 128 GB internal storage, it also counts with a SD extension slot that admits up to 512 GB. Galaxy A51 features greater battery lifetime than Xiaomi Mi Mix 3, because it has 4000mAh of battery capacity against 3200mAh.
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