Compare phones
| Global Score | |
| 76.2 | 77.7 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 6.0 Marshmallow | Android 10 |
| 2016-11-04 | 2020-06-19 |
| 6.25 x 3.22 x 0.31 inches | 6.44 x 2.96 x 0.35 inches |
| 7.37 ounces | 6.77 ounces |
| Black and White | Black, Blue, Red and White |
| Ceramic | -- |
| $ 590.00 | -- |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2040 x 1080 pixels | 1600 x 720 pixels |
| IPS LCD | TFT |
| 361 pixels per inch | 270 pixels per inch |
| 500 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.3 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 821 MSM8996 Pro chipset | Samsung Exynos 850 chipset |
| Kryo, 64-bit (Quad-Core 2340 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 3 GB RAM |
| Adreno 530 GPU | Mali-G76 GPU |
| 9 | 9.09 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 9.84 |
| Camera | |
| 16.00 MP + 5.00 MP | 48.00 MP + 13.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| 0.33 inches (1/3.06") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | -- |
| 9.79 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G) and HSPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6 | 6.7 |
| Battery Life | |
| 4400mAh Li - Ion Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.24 | 6.8 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
Comparison review
The Galaxy A21s is a little bit better than Xiaomi Mi MIX, with a 77.7 score against 76.2. Both phones we compare here work with Android OS, but Galaxy A21s has an older 10 version and Xiaomi Mi MIX has Android 6.0 Marshmallow version. Galaxy A21s's body is noticeably newer and just a little bit lighter than Xiaomi Mi MIX's, although it's also thicker.
The Galaxy A21s features a bit better CPU than Xiaomi Mi MIX, because although it has a smaller amount of RAM memory, it also counts with a greater number of cores. The Xiaomi Mi MIX has a better screen than Samsung Galaxy A21s, because although it has a bit smaller display, it also counts with a better number of pixels per inch in the screen and a higher 1080 x 2040 resolution.
The Xiaomi Mi MIX features slightly more memory to install applications and games or saving photos and videos than Galaxy A21s, because although it has no SD memory slot, it also counts with more internal storage capacity. The Galaxy A21s has a much better camera than Xiaomi Mi MIX, and although they both have the same video frame rate, the same aperture and the same 1920x1080 (Full HD) video resolution, the Galaxy A21s also has a lot larger back-facing camera sensor taking more light and vivid colors and a lot more MP back camera.
The Samsung Galaxy A21s has just a bit better battery lifetime than Xiaomi Mi MIX, because it has 5000mAh of battery capacity.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.