Compare phones
| Global Score | |
| 84.1 | 75.8 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | -- |
| 2020-03-23 | 2016-06-10 |
| 6.26 x 2.96 x 0.35 inches | 5.86 x 2.95 x 0.39 inches |
| 6.63 ounces | 6.53 ounces |
| Midnight blue and Raven black | Camo green, Sandy gold and Titanium gray |
| Plastic and Plastic | Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 247.00 |
| Display / Screen | |
| 6.4 inches | 5.1 inches |
| 2340 x 1080 pixels | 2560 x 1440 pixels (Quad HD / 2K) |
| Super AMOLED | Super AMOLED |
| 403 pixels per inch | 576 pixels per inch |
| 420 cd/m2 brightness | 500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.4 | 9.3 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 820 MSM8996 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo, 64-bit, 14 nm (Quad-Core 2150 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Adreno 530 GPU |
| 9.27 | 8.91 |
| Storage | |
| 64 GB internal memory | 32 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 200 GB) external memory slot |
| 11.74 | 8.56 |
| Camera | |
| 48.00 MP + 20.00 MP | 12.00 MP + 5.00 MP |
| f/2.00 aperture | f/1.70 aperture |
| 26.00mm focal length | -- |
| 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 | 1920 x 1080 (60 fps) (Full HD) slow motion video |
| 11.55 | 9.46 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | -- |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | HSPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 3 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 4000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 7.52 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.2 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Galaxy M21 has a general score of 84.1, which is better than the Galaxy S7 Active's 75.8 global score. The Galaxy M21 body is newer and thinner, but also just a little bit heavier than the Galaxy S7 Active. The Galaxy M21 has a bit superior processor than Galaxy S7 Active, and although they both have a 4 GB RAM memory, the Galaxy M21 also has a greater number of cores.
The Galaxy S7 Active has a much better looking screen than Galaxy M21, because although it has a much smaller screen, it also counts with a quite brighter screen, a better pixels density and a higher resolution of 1440 x 2560 pixels. Galaxy M21 has a much greater memory for games and applications than Samsung Galaxy S7 Active, because it has 64 GB internal storage capacity and an external memory card slot that admits a maximum of 512 GB.
Galaxy M21 features a lot better camera than Galaxy S7 Active, because although it has a smaller aperture, and they both have the same 3840x2160 video definition and the same 30 frames per second video frame rates, the Galaxy M21 also counts with a way more megapixels back-facing camera. The Galaxy M21 features a much better battery performance than Samsung Galaxy S7 Active, because it has a 6000mAh battery size.
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