Compare phones
| Global Score | |
| 72.5 | 77.7 |
| Basic Information | |
| Xiaomi | Samsung |
| Android | Android 10 |
| -- | 2020-06-19 |
| 5.81 x 2.81 x 0.33 inches | 6.44 x 2.96 x 0.35 inches |
| 5.15 ounces | 6.77 ounces |
| Black, Blue, Gray and Yellow | Black, Blue, Red and White |
| Metal | -- |
| Display / Screen | |
| 5.5 inches | 6.5 inches |
| 1440 x 720 pixels | 1600 x 720 pixels |
| -- | TFT |
| 293 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 7.4 | 7.2 |
| Performance | |
| MediaTek Helio P22 MT6762 chipset | Samsung Exynos 850 chipset |
| ARM Cortex-A53, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 3 GB RAM |
| IMG PowerVR GE8320 GPU | Mali-G76 GPU |
| 9.09 | 9.09 |
| Storage | |
| 64 GB internal memory | 32 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 10.78 | 9.84 |
| Camera | |
| 12.00 MP + 5.00 MP | 48.00 MP + 13.00 MP |
| f/2.20 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 8.8 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| -- | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Dual SIM | Nano SIM, Dual SIM |
| 5.5 | 6.7 |
| Battery Life | |
| 3000mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 4.96 | 6.8 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
Comparison review
The Galaxy A21s has a score of 77.7, which is slightly better than Xiaomi Redmi 6's global score of 72.5. The Galaxy A21s body is just a little thicker and notably heavier than Xiaomi Redmi 6. Galaxy A21s counts with Android 10 operating system, and Xiaomi Redmi 6 has Android operating system.
Galaxy A21s and Xiaomi Redmi 6 feature extremely similar CPUs, and although the Galaxy A21s has less RAM memory, they both have 8 processing cores. Xiaomi Redmi 6 counts with just a bit better screen than Galaxy A21s, because although it has a bit lower resolution of 720 x 1440 and a quite smaller display, it also counts with a quite better screen density.
The Galaxy A21s features a very superior camera than Xiaomi Redmi 6, and although they both have the same 30 fps video frame rates and the same 1920x1080 (Full HD) video definition, the Galaxy A21s also has a much higher resolution back-facing camera and a larger camera aperture for better low light photography and video.
Xiaomi Redmi 6 features a little bit more storage for games and applications than Galaxy A21s, because although it has an external memory card slot that holds 256 GB smaller, it also counts with 32 GB more internal memory capacity. Galaxy A21s has a superior battery lifetime than Xiaomi Redmi 6, because it has a 67% bigger battery size.
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