Compare phones
| Global Score | |
| 88.3 | 84.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | Android 11, 10 |
| 2021-05-06 | 2020-03-23 |
| 6.45 x 3.01 x 0.41 inches | 6.26 x 2.96 x 0.35 inches |
| 7.41 ounces | 6.63 ounces |
| Mirror Black and Pale Grey | Midnight blue and Raven black |
| Metal and Plastic | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| $ 499.00 | -- |
| Display / Screen | |
| 6.7 inches | 6.4 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| -- | Super AMOLED |
| 393 pixels per inch | 403 pixels per inch |
| 1300 cd/m2 brightness | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.1 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 870 SM8250-AC chipset | Exynos 9611 chipset |
| Kryo 585, 64-bit, 7 nm (Octa-Core 3200 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 650 GPU | Mali-G72 MP3 GPU |
| 9.81 | 9.27 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 11.74 |
| Camera | |
| 48.00 MP + 20.00 MP | 48.00 MP + 20.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 11.99 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Dual SIM | Nano SIM, Dual SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 4500mAh Li - Polymer Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 7.52 |
| 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, Gyroscope and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Xiaomi Black Shark 4 is a little bit better than Samsung Galaxy M21, getting a general score of 88.3 against 84.1. Although the Xiaomi Black Shark 4 is newer than the Samsung Galaxy M21, it's somewhat thicker and somewhat heavier. Both of these phones have the same Android 11 OS. Xiaomi Black Shark 4 features a bit more powerful processor than Galaxy M21, and although they both have a Octa-Core processing unit, the Xiaomi Black Shark 4 also has more RAM memory.
The Xiaomi Black Shark 4 features a bit sharper display than Galaxy M21, because although it has a quite lower display pixel density, it also counts with way more brightness, a little bit higher 1080 x 2400 resolution and a little bigger screen. The Xiaomi Black Shark 4 has a little bit better camera than Galaxy M21, and although they both have a 0.5 inches camera sensor, a same resolution back-facing camera and the same 3840x2160 video definition, the Xiaomi Black Shark 4 also has a bigger camera aperture to take better photos and videos in low-light situations and better 60 fps video frame rate.
The Samsung Galaxy M21 counts with a better memory capacity for applications and games than Xiaomi Black Shark 4, because although it has only 64 GB internal memory capacity, it also counts with a SD memory slot that supports a maximum of 512 GB. Galaxy M21 has superior battery life than Xiaomi Black Shark 4, because it has 6000mAh of battery capacity against 4500mAh.
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