Compare phones
| Global Score | |
| 77.7 | 75.9 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 10 | Android |
| 2020-06-19 | 2018-06-08 |
| 6.44 x 2.96 x 0.35 inches | 5.80 x 2.88 x 0.30 inches |
| 6.77 ounces | 5.78 ounces |
| Black, Blue, Red and White | Black, Blue, Gold and Red |
| Display / Screen | |
| 6.5 inches | 5.9 inches |
| 1600 x 720 pixels | 2244 x 1080 pixels |
| TFT | AMOLED |
| 270 pixels per inch | 422 pixels per inch |
| -- | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.2 | 8.7 |
| Performance | |
| Samsung Exynos 850 chipset | Qualcomm Snapdragon 710 SDM710 chipset |
| Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor | Kryo 360, 64-bit, 10 nm (Octa-Core 2200 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| Mali-G76 GPU | Adreno 616 GPU |
| 9.09 | 9.27 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 9.84 | 7.7 |
| 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 | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (240 fps) (HD) slow motion video |
| 10.78 | 9.79 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE (4G), HSPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.1 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 3120mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 5.12 |
| 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 |
Comparison review
Galaxy A21s has an overall score of 77.7, which is a bit better than the Xiaomi Mi 8 SE's score of 75.9. Galaxy A21s works with Android 10 OS, while Xiaomi Mi 8 SE counts with Android OS. Galaxy A21s's design is incredibly newer than the Xiaomi Mi 8 SE's, although it's heavier and somewhat thicker.
The Xiaomi Mi 8 SE has a way better looking display than Galaxy A21s, because although it has a little smaller display, it also counts with a lot higher 1080 x 2244 resolution and a lot more pixels per inch in the screen. The Samsung Galaxy A21s has a very superior memory capacity to install applications and games than Xiaomi Mi 8 SE, because although it has just 32 GB internal memory, it also counts with a slot for an SD memory card that holds up to 512 GB.
The Xiaomi Mi 8 SE counts with a bit better performance than Samsung Galaxy A21s, and although they both have 8 CPU cores, the Xiaomi Mi 8 SE also has a higher amount of RAM memory. The Galaxy A21s counts with a much better battery duration than Xiaomi Mi 8 SE, because it has a 60% bigger battery size.
The Galaxy A21s captures much clearer videos and photos than Xiaomi Mi 8 SE, because although it has a smaller camera aperture which is not so good for low-light captures and videos, and they both have the same video quality and the same 30 fps video frame rate, the Galaxy A21s also counts with a way larger sensor capturing more light and vivid colors and a camera in the back with a lot higher 48 megapixels resolution.
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