Compare phones
| Global Score | |
| 71.7 | 77.7 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 6.0 Marshmallow | Android 10 |
| 2016-11-07 | 2020-06-19 |
| 5.56 x 2.74 x 0.35 inches | 6.44 x 2.96 x 0.35 inches |
| 5.50 ounces | 6.77 ounces |
| 16 777 216 | Black, Blue, Red and White |
| Metal | -- |
| $ 133.00 | -- |
| Display / Screen | |
| 5 inches | 6.5 inches |
| 1920 x 1080 pixels (Full HD) | 1600 x 720 pixels |
| IPS LCD | TFT |
| 441 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.2 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 625 8953 chipset | Samsung Exynos 850 chipset |
| ARM Cortex-A53, 64-bit (Octa-Core 2000 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 3 GB RAM | 3 GB RAM |
| Adreno 506 GPU | Mali-G76 GPU |
| 9.09 | 9.09 |
| Storage | |
| 32 GB internal memory | 32 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.12 | 9.84 |
| Camera | |
| 13.00 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 | Mobile Hotspot |
| LTE-A (4G), LTE (4G) and HSPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Micro SIM | Nano SIM, Dual SIM |
| 6.1 | 6.7 |
| Battery Life | |
| 4100mAh Li - Ion Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6 | 6.8 |
| Other Features | |
| Bluetooth 4.2 | 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 |
| FM Radio | -- |
Comparison review
The Galaxy A21s is a bit better than the Xiaomi Redmi 4 Prime, having a global score of 77.7 against 71.7. Both devices we are comparing come with Android OS (operating system), but the Galaxy A21s has the previous 10 version and Xiaomi Redmi 4 Prime has Android 6.0 Marshmallow version. The Galaxy A21s is a somewhat heavier phone than Xiaomi Redmi 4 Prime, but both are equally thin.
The Samsung Galaxy A21s features a processor that is very similar to Xiaomi Redmi 4 Prime's CPU, they have 3 GB of RAM and 8 CPU cores. Xiaomi Redmi 4 Prime has a sharper screen than Galaxy A21s, because although it has a much smaller screen, it also counts with a way greater count of pixels per display inch and a higher resolution of 1080 x 1920px.
The Galaxy A21s captures way better photographs and videos than Xiaomi Redmi 4 Prime, and although they both have the same video frame rate and the same (Full HD) video resolution, the Galaxy A21s also has a camera in the back with a lot higher 48 megapixels resolution and a bigger aperture. The Samsung Galaxy A21s features much more memory capacity for applications and games than Xiaomi Redmi 4 Prime, and although they both have equal 32 GB internal memory capacity, the Samsung Galaxy A21s also has an external SD slot that allows a maximum of 512 GB.
Galaxy A21s has greater battery life than Xiaomi Redmi 4 Prime, because it has a 22 percent larger battery capacity.
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