Compare phones
| Global Score | |
| 84.1 | 88.3 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android 11 |
| 2020-03-23 | 2021-05-06 |
| 6.26 x 2.96 x 0.35 inches | 6.45 x 3.01 x 0.41 inches |
| 6.63 ounces | 7.41 ounces |
| Midnight blue and Raven black | Mirror Black and Pale Grey |
| Plastic and Plastic | Metal and Plastic |
| Scratch-Resistant Glass | -- |
| -- | $ 499.00 |
| Display / Screen | |
| 6.4 inches | 6.7 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | -- |
| 403 pixels per inch | 393 pixels per inch |
| 420 cd/m2 brightness | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.4 | 9.1 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 870 SM8250-AC chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 585, 64-bit, 7 nm (Octa-Core 3200 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| Mali-G72 MP3 GPU | Adreno 650 GPU |
| 9.27 | 9.81 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 10.1 |
| Camera | |
| 48.00 MP + 20.00 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 |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 11.55 | 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 | |
| 6000mAh Li - Polymer Battery | 4500mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 6.32 |
| 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 |
| FM Radio | -- |
Comparison review
The Xiaomi Black Shark 4 has a general score of 88.3, which is just a bit better than the Samsung Galaxy M21's 84.1 score. Both devices we are comparing here work with the same Android 11 OS, so they should count with identical OS features. The Xiaomi Black Shark 4 design is newer than the Samsung Galaxy M21's, but it's somewhat heavier and somewhat thicker.
Xiaomi Black Shark 4 features a little bit better processing power than Galaxy M21, and although they both have a Octa-Core processor, the Xiaomi Black Shark 4 also has 4 GB more RAM memory. Xiaomi Black Shark 4 counts with just a bit better display than Galaxy M21, because although it has a little less pixels per inch of screen, it also counts with much more brightness, a slightly higher resolution of 1080 x 2400 and a little bit larger display.
The Samsung Galaxy M21 counts with more storage capacity to install games and applications than Xiaomi Black Shark 4, because although it has just 64 GB internal memory capacity, it also counts with a SD extension slot that holds a maximum of 512 GB. The Galaxy M21 has greater battery lifetime than Xiaomi Black Shark 4, because it has a 33 percent bigger battery size.
Xiaomi Black Shark 4 captures clearer photos and videos than Galaxy M21, and although they both have the same resolution back-facing camera, the same video resolution and the same back camera sensor size, the Xiaomi Black Shark 4 also has a larger aperture to capture better low-light photography and videos and better video frame rate.
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