Compare phones
| Global Score | |
| 77.7 | 86.6 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 10 | Android 10 |
| 2020-06-19 | 2020-05-08 |
| 6.44 x 2.96 x 0.35 inches | 6.64 x 3.04 x 0.41 inches |
| 6.77 ounces | 7.83 ounces |
| Black, Blue, Red and White | Armor gray, Lightning black and Star silver |
| -- | Aluminum and Aluminum |
| Display / Screen | |
| 6.5 inches | 6.7 inches |
| 1600 x 720 pixels | 2400 x 1080 pixels |
| TFT | OLED |
| 270 pixels per inch | 393 pixels per inch |
| No touch screen | No touch screen |
| 7.2 | 8.1 |
| Performance | |
| Samsung Exynos 850 chipset | Qualcomm Snapdragon 865 SM8250 chipset |
| Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor | Kryo 585, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 3 GB RAM | 8 GB RAM |
| Mali-G76 GPU | Adreno 650 GPU |
| 9.09 | 9.63 |
| 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 | 64.00 MP + 20.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.59 inches (1/1.7") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 10.78 | 12.43 |
| 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), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 4720mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 6.56 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| 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 3 is much better than Samsung Galaxy A21s, having a general score of 86.6 against 77.7. Even being the best cellphone in this review, the Xiaomi Black Shark 3 body is heavier and somewhat thicker than Samsung Galaxy A21s. Both devices in this review use the same Android 10 OS, so both of them should offer identical operating system features.
The Xiaomi Black Shark 3 has a better display than Samsung Galaxy A21s, because it has a way better resolution of 1080 x 2400 pixels, a greater amount of pixels per inch in the display and a little bit larger screen. Xiaomi Black Shark 3 counts with just a bit bigger memory capacity for games and applications than Samsung Galaxy A21s, because although it has no slot for external memory cards, it also counts with 128 GB internal storage capacity.
Xiaomi Black Shark 3 counts with a little faster processor than Galaxy A21s, and although they both have a Octa-Core processing unit, the Xiaomi Black Shark 3 also has more RAM memory. The Galaxy A21s has a bit better battery life than Xiaomi Black Shark 3, because it has a 5000mAh battery capacity.
Xiaomi Black Shark 3 captures much clearer photographs and videos than Samsung Galaxy A21s, because it has a camera with much more megapixels, a larger back-facing camera sensor shooting higher quality photographs and videos, a larger diafragm aperture to capture better low-light photography and video and a way better 3840x2160 (4K) video definition.
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