Compare phones
| Global Score | |
| 84.1 | 82.3 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android 10, 9.0 Pie |
| 2020-03-23 | 2019-03-28 |
| 6.26 x 2.96 x 0.35 inches | 6.44 x 2.95 x 0.35 inches |
| 6.63 ounces | 7.23 ounces |
| Midnight blue and Raven black | Black and Silver |
| Plastic and Plastic | -- |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.4 inches | 6.4 inches |
| 2340 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | AMOLED |
| 403 pixels per inch | 403 pixels per inch |
| 420 cd/m2 brightness | 430 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.4 | 8.4 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 855 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| Mali-G72 MP3 GPU | Adreno 640 GPU |
| 9.27 | 9.63 |
| 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 (30 fps) (4K) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1280 x 720 (120 fps) (HD) slow motion video |
| 11.55 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 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, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 4000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Galaxy M21 is a little bit better than the Xiaomi Black Shark 2, getting an 84.1 score against 82.3. Galaxy M21 is a just a little lighter cellphone than Xiaomi Black Shark 2, but both of them are 0.35inches thick. Both devices in this comparison include Android OS (Operating System), but the Galaxy M21 has a more recent 11 version and Xiaomi Black Shark 2 has Android 10, so it provides you a couple additional features.
The Xiaomi Black Shark 2 counts with a bit better hardware performance than Samsung Galaxy M21, and although they both have 8 cores, the Xiaomi Black Shark 2 also has more RAM. Xiaomi Black Shark 2 and Samsung Galaxy M21 count with quite similar displays, and although the Xiaomi Black Shark 2 has a little more screen brightness, they both have a same size display, the same count of pixels in each display inch and exactly the same 1080 x 2340 resolution.
Xiaomi Black Shark 2 and Galaxy M21 feature extremely similar cameras, and although the Xiaomi Black Shark 2 has a larger aperture, they both have the same video definition, a 48 megapixels resolution camera in the back, the same 30 frames per second video frame rate and a same size sensor. Galaxy M21 has a better memory for games and applications than Xiaomi Black Shark 2, because although it has only 64 GB internal storage, it also counts with a slot for SD memory cards that holds up to 512 GB.
The Galaxy M21 features a superior battery life than Xiaomi Black Shark 2, because it has a 6000mAh battery size.
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