Compare phones
| Global Score | |
| 85.5 | 88.9 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android 10 |
| 2019-12-27 | 2019-09-24 |
| 6.24 x 2.90 x 0.31 inches | 6.08 x 2.85 x 0.41 inches |
| 6.07 ounces | 8.50 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white | Black |
| Plastic and Plastic | Titanium |
| Scratch-Resistant Glass | -- |
| $ 282.00 | -- |
| Display / Screen | |
| 6.5 inches | 7.9 inches |
| 2400 x 1080 pixels | 2250 x 2088 pixels |
| Super AMOLED | OLED |
| 405 pixels per inch | 389 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.2 |
| Performance | |
| Samsung Exynos 9611 chipset | Qualcomm Snapdragon 855+ SM8150-AC chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2960 MHz) processor |
| 4 GB RAM | 12 GB RAM |
| Mali-G72 MP3 GPU | Adreno 640 GPU |
| 9.27 | 9.81 |
| Storage | |
| 128 GB internal memory | 512 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 14.14 | 17.6 |
| Camera | |
| 48.00 MP + 32.00 MP | 108.00 MP |
| f/2.00 aperture | f/1.70 aperture |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") sensor | 0.75 inches (1/1.33") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (4K) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | -- |
| 11.55 | 10.56 |
| 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 | |
| 4000mAh Li - Polymer Battery | 4050mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 6 |
| 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
Xiaomi Mi Mix Alpha is just a bit better than the Samsung Galaxy A51, getting an 88.9 score against 85.5. The Xiaomi Mi Mix Alpha body is thicker and much heavier than Samsung Galaxy A51. Both phones we are comparing work with Android OS (Operating System), but Xiaomi Mi Mix Alpha has an older 10 version while Samsung Galaxy A51 has Android 11.
Xiaomi Mi Mix Alpha features a little sharper display than Galaxy A51, because although it has a just a bit worse display density, it also counts with a bigger display and a better 2088 x 2250 resolution. Xiaomi Mi Mix Alpha counts with a little better hardware performance than Samsung Galaxy A51, and although they both have the same number of cores, the Xiaomi Mi Mix Alpha also has more RAM memory.
The Galaxy A51 counts with a bit better camera than Xiaomi Mi Mix Alpha, although it has a smaller aperture which is not good for low-light photography and videos, a worse 3840x2160 (4K) video quality, a lot worse 48 MP resolution back facing camera and a way smaller sensor capturing much lower quality videos and pictures.
The Xiaomi Mi Mix Alpha features a lot bigger memory to install applications and games or saving photos and videos than Samsung Galaxy A51, because although it has no SD memory slot, it also counts with 384 GB more internal memory. The Xiaomi Mi Mix Alpha features a bit better battery life than Galaxy A51, because it has 4050mAh of battery capacity instead of 4000mAh.
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