Compare phones
| Global Score | |
| 71.6 | 77.7 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 4.4.2, 4.2.1 | Android 10 |
| 0000-00-00 | 2020-06-19 |
| 5.67 x 2.90 x 0.32 inches | 6.44 x 2.96 x 0.35 inches |
| 5.11 ounces | 6.77 ounces |
| Black | Black, Blue, Red and White |
| $ 300.00 | -- |
| Display / Screen | |
| 5 inches | 6.5 inches |
| 1080 x 1920 pixels (Full HD) | 1600 x 720 pixels |
| IPS LCD | TFT |
| 441 pixels per inch | 270 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 9.1 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 800 8974-AB chipset | Samsung Exynos 850 chipset |
| Krait 400 (Quad-Core 2360 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 2 GB (933 MHz) RAM | 3 GB RAM |
| Adreno 330 (450 MHz) 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 | |
| 13.00 MP + 2.00 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 |
| HSPA+ (4G), HSDPA, HSUPA, UMTS, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| SIM | Nano SIM, Dual SIM |
| 4.6 | 6.7 |
| Battery Life | |
| 3050mAh Li-Ion Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.04 | 6.8 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
Comparison review
The Galaxy A21s is a bit better than Xiaomi Mi-3, having a 77.7 score against 71.6. Both phones in this comparison include Android OS (Operating System), but Galaxy A21s has the previous 10 version while Xiaomi Mi-3 has Android 4.4.2 version. Galaxy A21s is a just a little bit thicker and incredibly heavier phone than the Xiaomi Mi-3.
Xiaomi Mi-3 features a way better screen than Galaxy A21s, because although it has a way smaller screen, it also counts with a higher 1920 x 1080 resolution and a way greater pixel amount per inch in the screen. Samsung Galaxy A21s has a much greater storage for applications and games than Xiaomi Mi-3, because although it has just 32 GB internal memory, it also counts with a slot for an SD memory card that allows a maximum of 512 GB.
The Xiaomi Mi-3 has a little faster processor than Galaxy A21s, because although it has less cores and a lower amount of RAM memory, it also counts with an extra graphics co-processor. Galaxy A21s captures much clearer videos and photos than Xiaomi Mi-3, and although they both have the same video definition and the same 30 fps video frame rates, the Galaxy A21s also has a lot higher 48 MP resolution back facing camera and a bigger aperture to take better captures and videos in low-light environments.
The Galaxy A21s has a way better battery performance than Xiaomi Mi-3, because it has 5000mAh of battery capacity.
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