Compare phones
| Global Score | |
| 77.7 | 77.2 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 10 | Android 8.1 Oreo |
| 2020-06-19 | 2018-11-23 |
| 6.44 x 2.96 x 0.35 inches | 6.22 x 3.01 x 0.33 inches |
| 6.77 ounces | 6.42 ounces |
| Black, Blue, Red and White | 16 777 216 |
| -- | Metal and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.5 inches | 6.3 inches |
| 1600 x 720 pixels | 2280 x 1080 pixels |
| TFT | IPS LCD |
| 270 pixels per inch | 400 pixels per inch |
| -- | 500 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.2 | 8.5 |
| Performance | |
| Samsung Exynos 850 chipset | Qualcomm Snapdragon 636 SDM636 chipset |
| Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor | Kryo 260, 64-bit, 14 nm (Octa-Core 1800 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| Mali-G76 GPU | Adreno 509 GPU |
| 9.09 | 9 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 256 GB) external memory slot |
| 9.84 | 10.78 |
| Camera | |
| 48.00 MP + 13.00 MP | 12.00 MP + 20.00 MP |
| f/2.00 aperture | f/1.90 aperture |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") sensor | 0.39 inches (1/2.55") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 10.78 | 9.24 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 6.3 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Galaxy A21s is a bit better than Xiaomi Redmi Note 6 Pro, getting a 77.7 score against 77.2. The Galaxy A21s construction is newer than Xiaomi Redmi Note 6 Pro's, but it is just a little bit thicker and a bit heavier. These devices have Android OS (Operating System), but the Galaxy A21s has older 10 version while Xiaomi Redmi Note 6 Pro has Android 8.1 Oreo version.
The Galaxy A21s has just a little better performance than Xiaomi Redmi Note 6 Pro, although it has less RAM, they both have a Octa-Core CPU. The Xiaomi Redmi Note 6 Pro has a better display than Galaxy A21s, because although it has a quite smaller display, it also counts with a better pixel quantity in each inch in the display and a way better resolution of 1080 x 2280px.
Galaxy A21s counts with a superior camera than Xiaomi Redmi Note 6 Pro, because although it has a tinier aperture which is worse for low light photography, and they both have the same 30 fps video frame rate and the same (Full HD) video quality, the Galaxy A21s also counts with a back-facing camera with much more MP and a lot bigger back camera sensor providing a way better image quality.
Xiaomi Redmi Note 6 Pro has a little bit more storage for applications and games than Galaxy A21s, because although it has a slot for an external memory card that supports a maximum of 256 GB against 512 GB, it also counts with 64 GB internal memory capacity. The Galaxy A21s counts with longer battery duration than Xiaomi Redmi Note 6 Pro, because it has a 5000mAh battery size.
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