Compare phones
| Global Score | |
| 77.2 | 77.7 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 8.1 Oreo | Android 10 |
| 2018-11-23 | 2020-06-19 |
| 6.22 x 3.01 x 0.33 inches | 6.44 x 2.96 x 0.35 inches |
| 6.42 ounces | 6.77 ounces |
| 16 777 216 | Black, Blue, Red and White |
| Metal and Plastic | -- |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.3 inches | 6.5 inches |
| 2280 x 1080 pixels | 1600 x 720 pixels |
| IPS LCD | TFT |
| 400 pixels per inch | 270 pixels per inch |
| 500 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.5 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 636 SDM636 chipset | Samsung Exynos 850 chipset |
| Kryo 260, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 6 GB RAM | 3 GB RAM |
| Adreno 509 GPU | Mali-G76 GPU |
| 9 | 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 + 20.00 MP | 48.00 MP + 13.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| 0.39 inches (1/2.55") sensor | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 9.24 | 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 | Nano SIM, Dual SIM |
| 6.3 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| FM Radio | -- |
Comparison review
Galaxy A21s is a bit better than Xiaomi Redmi Note 6 Pro, having a score of 77.7 against 77.2. Galaxy A21s is a newer phone than Xiaomi Redmi Note 6 Pro, but it is just a bit thicker and a bit heavier. Both of these phones use Android operating system, but Galaxy A21s has older 10 version while Xiaomi Redmi Note 6 Pro has Android 8.1 Oreo version.
The Xiaomi Redmi Note 6 Pro counts with a more vivid screen than Galaxy A21s, because although it has a little bit smaller screen, it also counts with a better pixels density and a lot better 1080 x 2280 pixels resolution. Galaxy A21s features a bit faster CPU than Xiaomi Redmi Note 6 Pro, although it has a lower amount of RAM, they both have a Octa-Core CPU.
The Galaxy A21s shoots much clearer pictures and videos than Xiaomi Redmi Note 6 Pro, because although it has a smaller aperture which is worse for low light images, and they both have the same video resolution and the same video frame rate, the Galaxy A21s also counts with a much larger sensor providing a way better image quality and a camera in the back with lot more mega-pixels.
The Xiaomi Redmi Note 6 Pro features a bit more storage for applications and games than Galaxy A21s, because although it has a slot for an SD memory card that supports a maximum of 256 GB against 512 GB, it also counts with more internal memory. The Samsung Galaxy A21s has improved battery lifetime than Xiaomi Redmi Note 6 Pro, because it has 5000mAh of battery capacity against 4000mAh.
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