Compare phones
| Global Score | |
| 77.7 | 88.3 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 10 | Android 11 |
| 2020-06-19 | 2021-05-06 |
| 6.44 x 2.96 x 0.35 inches | 6.45 x 3.01 x 0.41 inches |
| 6.77 ounces | 7.41 ounces |
| Black, Blue, Red and White | Mirror Black and Pale Grey |
| -- | Metal and Plastic |
| -- | $ 499.00 |
| Display / Screen | |
| 6.5 inches | 6.7 inches |
| 1600 x 720 pixels | 2400 x 1080 pixels |
| TFT | -- |
| 270 pixels per inch | 393 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.2 | 9.1 |
| Performance | |
| Samsung Exynos 850 chipset | Qualcomm Snapdragon 870 SM8250-AC chipset |
| Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor | Kryo 585, 64-bit, 7 nm (Octa-Core 3200 MHz) processor |
| 3 GB RAM | 8 GB RAM |
| Mali-G76 GPU | Adreno 650 GPU |
| 9.09 | 9.81 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 9.84 | 10.1 |
| Camera | |
| 48.00 MP + 13.00 MP | 48.00 MP + 20.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") sensor | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 10.78 | 11.99 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM, Dual SIM | Dual SIM |
| 6.7 | 10.6 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Xiaomi Black Shark 4 is much better than Samsung Galaxy A21s, having a general score of 88.3 against 77.7. Both phones in this comparison review come with Android OS (operating system), but the Xiaomi Black Shark 4 has 11 version and Samsung Galaxy A21s has Android 10 version, offering some extra features and performance enhancements. The Xiaomi Black Shark 4 is a newer cellphone than the Samsung Galaxy A21s, although it's just a little heavier and thicker.
Xiaomi Black Shark 4 has just a little better processing power than Galaxy A21s, and although they both have the same number of cores, the Xiaomi Black Shark 4 also has a higher amount of RAM. The Xiaomi Black Shark 4 features a much better looking display than Samsung Galaxy A21s, because it has a little bit larger screen, more pixels per inch of screen and a much higher 1080 x 2400 resolution.
Xiaomi Black Shark 4 captures much better photographs and videos than Galaxy A21s, and although they both have a 0.5 inches sensor and the same resolution back-facing camera, the Xiaomi Black Shark 4 also has a lot higher (4K) video quality and a larger diafragm aperture to take better captures and videos in low light situations.
The Xiaomi Black Shark 4 has a little bit more storage capacity for applications and games than Galaxy A21s, because although it has no external memory card slot, it also counts with 128 GB internal storage. Galaxy A21s has a little longer battery life than Xiaomi Black Shark 4, because it has 5000mAh of battery capacity against 4500mAh.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.