Compare phones
| Global Score | |
| 86.6 | 76.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 10 | Android 10 |
| 2020-05-08 | 2020-06-29 |
| 6.64 x 3.04 x 0.41 inches | 6.61 x 3.02 x 0.32 inches |
| 7.83 ounces | 6.81 ounces |
| Armor gray, Lightning black and Star silver | Black |
| Aluminum and Aluminum | Plastic and Plastic |
| -- | $ 194.00 |
| Display / Screen | |
| 6.7 inches | 6.5 inches |
| 2400 x 1080 pixels | 1600 x 720 pixels |
| OLED | IPS LCD |
| 393 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 865 SM8250 chipset | Mediatek Helio P35 chipset |
| Kryo 585, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 3 GB RAM |
| Adreno 650 GPU | PowerVR GE8320 GPU |
| 9.63 | 9.27 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 9.84 |
| Camera | |
| 64.00 MP + 20.00 MP | 16.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.59 inches (1/1.7") sensor | 0.33 inches (1/3.06") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | -- |
| 12.43 | 9.35 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 4720mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.56 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Xiaomi Black Shark 3 is much better than the Samsung Galaxy A21, having an 86.6 score against 76.1. Both phones we compare here work with the same Android 10 OS (operating system). The Xiaomi Black Shark 3 is a heavier and notably thicker cellphone than the Samsung Galaxy A21. Xiaomi Black Shark 3 counts with a more vivid screen than Samsung Galaxy A21, because it has a better display pixel density, a way better 1080 x 2400 pixels resolution and a bit larger display.
The Xiaomi Black Shark 3 features a slightly bigger memory for games and applications than Galaxy A21, because although it has no slot for external memory cards, it also counts with 128 GB internal storage capacity. Xiaomi Black Shark 3 has a little faster processing unit than Samsung Galaxy A21, and although they both have 8 cpu cores, the Xiaomi Black Shark 3 also has more RAM memory.
Xiaomi Black Shark 3 has a greater camera than Galaxy A21, and although they both have a same size camera aperture, the Xiaomi Black Shark 3 also has a much better resolution back camera, a much higher 3840x2160 (4K) video definition and a lot bigger back-facing camera sensor capturing way higher quality videos and photographs.
The Xiaomi Black Shark 3 counts with superior battery life than Samsung Galaxy A21, because it has a 4720mAh battery capacity.
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