Compare phones
| Global Score | |
| 90.8 | 88.9 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android 10 |
| 2020-04-29 | 2019-09-24 |
| 6.26 x 2.90 x 0.34 inches | 6.08 x 2.85 x 0.41 inches |
| 6.60 ounces | 8.50 ounces |
| Prism cube black | Black |
| Aluminum and Plastic | Titanium |
| Scratch-Resistant Glass | -- |
| $ 339.00 | -- |
| 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 980 chipset | Qualcomm Snapdragon 855+ SM8150-AC chipset |
| ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2960 MHz) processor |
| 6 GB RAM | 12 GB RAM |
| Mali-G76 MP5 GPU | Adreno 640 GPU |
| 9.27 | 9.81 |
| Storage | |
| 128 GB internal memory | 512 GB internal memory |
| microSDXC (up to 1000 GB) external memory slot | No SD card slot |
| 15.38 | 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 (480 fps) (HD) slow motion video | -- |
| 11.55 | 10.56 |
| 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 | 4050mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 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
Galaxy A51 5G is a little bit better than the Xiaomi Mi Mix Alpha, with a 90.8 score against 88.9. Both devices we compare here use Android OS (Operating System), but Galaxy A51 5G has newer 11 version while Xiaomi Mi Mix Alpha has Android 10, so it gives some nice extra features. The Galaxy A51 5G is a a lot lighter and somewhat thinner cellphone than Xiaomi Mi Mix Alpha, even when both were only released with a few months difference.
Xiaomi Mi Mix Alpha counts with a little bit better processing power than Samsung Galaxy A51 5G, and although they both have a Octa-Core processing unit, the Xiaomi Mi Mix Alpha also has 6 GB more RAM memory. The Xiaomi Mi Mix Alpha has a bit better screen than Galaxy A51 5G, because although it has a quite worse count of pixels per inch of display, it also counts with a bigger screen and a higher 2088 x 2250 resolution.
Samsung Galaxy A51 5G shoots just a bit better photos and videos than Xiaomi Mi Mix Alpha, although it has a back facing camera with a way worse resolution, a lower (4K) video resolution, a way tinier camera sensor which provides a way worse image and video quality and a tinier aperture. The Xiaomi Mi Mix Alpha counts with a better memory capacity for apps and games than Galaxy A51 5G, because although it has no slot for external memory cards, it also counts with more internal storage.
The Galaxy A51 5G has a little better battery performance than Xiaomi Mi Mix Alpha, because it has a 4500mAh battery capacity.
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