Compare phones
| Global Score | |
| 75.9 | 77.7 |
| Basic Information | |
| Xiaomi | Samsung |
| Android | Android 10 |
| 2018-06-08 | 2020-06-19 |
| 5.80 x 2.88 x 0.30 inches | 6.44 x 2.96 x 0.35 inches |
| 5.78 ounces | 6.77 ounces |
| Black, Blue, Gold and Red | Black, Blue, Red and White |
| Display / Screen | |
| 5.9 inches | 6.5 inches |
| 2244 x 1080 pixels | 1600 x 720 pixels |
| AMOLED | TFT |
| 422 pixels per inch | 270 pixels per inch |
| 600 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.7 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 710 SDM710 chipset | Samsung Exynos 850 chipset |
| Kryo 360, 64-bit, 10 nm (Octa-Core 2200 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 6 GB RAM | 3 GB RAM |
| Adreno 616 GPU | Mali-G76 GPU |
| 9.27 | 9.09 |
| Storage | |
| 64 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 7.7 | 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 |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | -- |
| 9.79 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.1 | 6.7 |
| Battery Life | |
| 3120mAh Li - Polymer Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.12 | 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 |
Comparison review
The Galaxy A21s is a bit better than the Xiaomi Mi 8 SE, with a overall score of 77.7 against 75.9. The Galaxy A21s has Android 10 operating system, while Xiaomi Mi 8 SE works with Android operating system. The Galaxy A21s is a way newer phone than Xiaomi Mi 8 SE, but it's thicker and somewhat heavier.
The Xiaomi Mi 8 SE features a bit better hardware performance than Samsung Galaxy A21s, and although they both have a Octa-Core processor, the Xiaomi Mi 8 SE also has 3 GB more RAM. Xiaomi Mi 8 SE counts with a much better screen than Samsung Galaxy A21s, because although it has a little smaller screen, it also counts with a much better 1080 x 2244 pixels resolution and a way better quantity of pixels per screen inch.
The Samsung Galaxy A21s captures better photographs and videos than Xiaomi Mi 8 SE, because although it has a tinier diafragm aperture, and they both have the same 30 fps video frame rate and the same video definition, the Samsung Galaxy A21s also counts with a way more mega-pixels back camera and a way larger back camera sensor providing a lot better image quality.
The Samsung Galaxy A21s features a superior storage for applications, games, photos and videos than Xiaomi Mi 8 SE, because although it has less internal memory, it also counts with a slot for an external memory card that admits a maximum of 512 GB. Samsung Galaxy A21s counts with a superior battery performance than Xiaomi Mi 8 SE, because it has a 5000mAh battery capacity.
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