Compare phones
| Global Score | |
| 75.8 | 77.7 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 8.0 Oreo, 7.1 Nougat | Android 10 |
| 2018-02-22 | 2020-06-19 |
| 6.24 x 2.97 x 0.32 inches | 6.44 x 2.96 x 0.35 inches |
| 6.38 ounces | 6.77 ounces |
| 16 777 216 | Black, Blue, Red and White |
| Metal | -- |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6 inches | 6.5 inches |
| 2160 x 1080 pixels | 1600 x 720 pixels |
| IPS LCD | TFT |
| 402 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8 | 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 128 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 10.02 | 9.84 |
| Camera | |
| 12.00 MP + 20.00 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 |
| 8.91 | 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 |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Samsung Galaxy A21s is slightly better than the Xiaomi Redmi Note 5 Pro, getting a 77.7 score against 75.8. Both phones in this comparison review have Android OS (operating system), but Samsung Galaxy A21s has the older 10 version while Xiaomi Redmi Note 5 Pro has Android 8.0 Oreo. Even though the Samsung Galaxy A21s is newer than Xiaomi Redmi Note 5 Pro, it's a bit thicker and a little heavier.
Galaxy A21s has a bit faster processing unit than Xiaomi Redmi Note 5 Pro, although it has 3 GB less RAM, they both have the same number of cores. Xiaomi Redmi Note 5 Pro has a much better looking screen than Samsung Galaxy A21s, because although it has a bit smaller display, it also counts with more pixels per inch of screen and a way better resolution of 1080 x 2160 pixels.
The Xiaomi Redmi Note 5 Pro counts with a bit bigger memory to store more apps and games than Galaxy A21s, because although it has a slot for SD memory cards that supports 384 GB smaller, it also counts with 64 GB internal memory capacity. Samsung Galaxy A21s takes way better videos and photos than Xiaomi Redmi Note 5 Pro, and although they both have the same video frame rates and the same (Full HD) video resolution, the Samsung Galaxy A21s also has a camera with lot more mega-pixels and a larger aperture.
Galaxy A21s features superior battery duration than Xiaomi Redmi Note 5 Pro, because it has a 5000mAh battery size against 4000mAh.
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