Compare phones
| Global Score | |
| 83.8 | 77.7 |
| Basic Information | |
| Xiaomi | Samsung |
| -- | Android 10 |
| 2018-11-01 | 2020-06-19 |
| 6.22 x 2.94 x 0.33 inches | 6.44 x 2.96 x 0.35 inches |
| 7.69 ounces | 6.77 ounces |
| Black, Blue and Green | Black, Blue, Red and White |
| Aluminum and Ceramic | -- |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2340 x 1080 pixels | 1600 x 720 pixels |
| Super AMOLED | TFT |
| 403 pixels per inch | 270 pixels per inch |
| 600 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.6 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 845 SDM845 chipset | Samsung Exynos 850 chipset |
| Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 8 GB RAM | 3 GB RAM |
| Adreno 630 GPU | Mali-G76 GPU |
| 9.63 | 9.09 |
| Storage | |
| 256 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 13.3 | 9.84 |
| Camera | |
| 12.20 MP + 24.00 MP | 48.00 MP + 13.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| 0.39 inches (1/2.55") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (960 fps) (Full HD) slow motion video | -- |
| 10.34 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.3 | 6.7 |
| Battery Life | |
| 3200mAh Li - Polymer Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.2 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | 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 3 is a bit better than the Samsung Galaxy A21s, with an 83.8 score against 77.7. Xiaomi Mi Mix 3's construction is a little bit thinner than the Samsung Galaxy A21s, although it is somewhat heavier and was released a little bit more than a year before. Xiaomi Mi Mix 3 features a bit more powerful processing unit than Samsung Galaxy A21s, and although they both have a Octa-Core processor, the Xiaomi Mi Mix 3 also has a greater amount of RAM memory.
Xiaomi Mi Mix 3 features a brighter screen than Galaxy A21s, because although it has a little smaller display, it also counts with a better pixel number in each inch of display and a way better resolution of 1080 x 2340 pixels. The Samsung Galaxy A21s counts with a bit better camera than Xiaomi Mi Mix 3, because although it has worse video frame rate and a smaller aperture which is not good for shooting photos and videos in low light environments, and they both have the same video quality, the Samsung Galaxy A21s also counts with a camera with lot more megapixels and a much bigger sensor capturing way better quality photos and videos.
Xiaomi Mi Mix 3 has a much greater memory for apps and games than Galaxy A21s, because although it has no SD card slot, it also counts with 256 GB internal memory capacity. Galaxy A21s has a much longer battery lifetime than Xiaomi Mi Mix 3, because it has a 56 percent larger battery size.
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