Compare phones
| Global Score | |
| 84.1 | 88.9 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android 10 |
| 2020-03-23 | 2019-09-24 |
| 6.26 x 2.96 x 0.35 inches | 6.08 x 2.85 x 0.41 inches |
| 6.63 ounces | 8.50 ounces |
| Midnight blue and Raven black | Black |
| Plastic and Plastic | Titanium |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.4 inches | 7.9 inches |
| 2340 x 1080 pixels | 2250 x 2088 pixels |
| Super AMOLED | OLED |
| 403 pixels per inch | 389 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8.2 |
| Performance | |
| 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 | |
| 64 GB internal memory | 512 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 17.6 |
| Camera | |
| 48.00 MP + 20.00 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 |
| 1920 x 1080 (240 fps) (Full 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 | |
| 6000mAh Li - Polymer Battery | 4050mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 6 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Xiaomi Mi Mix Alpha has a global score of 88.9, which is slightly better than the Galaxy M21's score of 84.1. Both phones in our current comparison have Android OS (Operating System), but Xiaomi Mi Mix Alpha has 10 version and Galaxy M21 has Android 11. Even being the best we compare here, it must be noted that it is also somewhat thicker and noticeably heavier.
The Samsung Galaxy M21 has a little more vivid display than Xiaomi Mi Mix Alpha, because although it has a lot worse 1080 x 2340 resolution and a little smaller screen, it also counts with a just a bit greater pixels density. The Xiaomi Mi Mix Alpha counts with a much greater storage capacity for games and applications than Galaxy M21, because although it has no external memory slot, it also counts with 512 GB internal storage capacity.
Xiaomi Mi Mix Alpha features a bit more powerful processor than Samsung Galaxy M21, and although they both have the same number of cores, the Xiaomi Mi Mix Alpha also has a greater amount of RAM memory. Galaxy M21 has a bit better camera than Xiaomi Mi Mix Alpha, although it has a much tinier sensor which gives a much worse image and video quality, a lower 3840x2160 (4K) video resolution, a smaller diafragm aperture which is not favorable for low-light photos and video and a lot lower 48 megapixels resolution back-facing camera.
The Samsung Galaxy M21 has a much longer battery lifetime than Xiaomi Mi Mix Alpha, because it has a 6000mAh battery size against 4050mAh.
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