Compare phones
| Global Score | |
| 88.9 | 77.7 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 10 | Android 10 |
| 2019-09-24 | 2020-06-19 |
| 6.08 x 2.85 x 0.41 inches | 6.44 x 2.96 x 0.35 inches |
| 8.50 ounces | 6.77 ounces |
| Black | Black, Blue, Red and White |
| Titanium | -- |
| Display / Screen | |
| 7.9 inches | 6.5 inches |
| 2250 x 2088 pixels | 1600 x 720 pixels |
| OLED | TFT |
| 389 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.2 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 855+ SM8150-AC chipset | Samsung Exynos 850 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2960 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 12 GB RAM | 3 GB RAM |
| Adreno 640 GPU | Mali-G76 GPU |
| 9.81 | 9.09 |
| Storage | |
| 512 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 17.6 | 9.84 |
| Camera | |
| 108.00 MP | 48.00 MP + 13.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| 0.75 inches (1/1.33") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 10.56 | 10.78 |
| 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 | |
| 4050mAh Li - Ion Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6 | 6.8 |
| 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, Gyroscope and Proximity Sensor |
Comparison review
Xiaomi Mi Mix Alpha has a general score of 88.9, which is much better than the Galaxy A21s's 77.7 score. Both devices in this comparison review include the same Android 10 OS (Operating System). Xiaomi Mi Mix Alpha's body is extremely heavier and thicker than Galaxy A21s. Xiaomi Mi Mix Alpha features a more vivid screen than Galaxy A21s, because it has a way better 2088 x 2250px resolution, a bigger display and a better pixel density.
Xiaomi Mi Mix Alpha counts with a way bigger memory to install applications and games or saving photos and videos than Galaxy A21s, because although it has no SD memory card expansion slot, it also counts with more internal memory capacity. The Xiaomi Mi Mix Alpha counts with just a bit better processing power than Samsung Galaxy A21s, and although they both have 8 CPU cores, the Xiaomi Mi Mix Alpha also has a greater amount of RAM.
Galaxy A21s takes clearer videos and photos than Xiaomi Mi Mix Alpha, although it has a smaller aperture which is not favorable for taking images or video in low-light environments, a much tinier sensor which gives a much lower photo and video quality, a back-facing camera with way less megapixels resolution and a lot lower 1920x1080 video definition.
Galaxy A21s has longer battery life than Xiaomi Mi Mix Alpha, because it has a 23 percent larger battery capacity.
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