Compare phones
| Global Score | |
| 75.8 | 77.7 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 10 |
| 2016-06-10 | 2020-06-19 |
| 5.86 x 2.95 x 0.39 inches | 6.44 x 2.96 x 0.35 inches |
| 6.53 ounces | 6.77 ounces |
| Camo green, Sandy gold and Titanium gray | Black, Blue, Red and White |
| Plastic | -- |
| Scratch-Resistant Glass | -- |
| $ 247.00 | -- |
| Display / Screen | |
| 5.1 inches | 6.5 inches |
| 2560 x 1440 pixels (Quad HD / 2K) | 1600 x 720 pixels |
| Super AMOLED | TFT |
| 576 pixels per inch | 270 pixels per inch |
| 500 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.3 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 820 MSM8996 chipset | Samsung Exynos 850 chipset |
| Kryo, 64-bit, 14 nm (Quad-Core 2150 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 3 GB RAM |
| Adreno 530 GPU | Mali-G76 GPU |
| 8.91 | 9.09 |
| Storage | |
| 32 GB internal memory | 32 GB internal memory |
| microSDXC (up to 200 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.56 | 9.84 |
| Camera | |
| 12.00 MP + 5.00 MP | 48.00 MP + 13.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (60 fps) (Full HD) slow motion video | -- |
| 9.46 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| -- | Mobile Hotspot |
| HSPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 3 | 6.7 |
| Battery Life | |
| 4000mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.92 | 6.8 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
Comparison review
Galaxy A21s is just a bit better than the Galaxy S7 Active, having a 77.7 score against 75.8. The Galaxy A21s construction is newer and somewhat thinner, but just a little bit heavier than the Galaxy S7 Active. Galaxy A21s counts with a bit superior processor than Galaxy S7 Active, because although it has a lower amount of RAM memory, it also counts with more processing cores.
The Samsung Galaxy S7 Active counts with an incredibly better looking display than Samsung Galaxy A21s, because although it has a much smaller screen, it also counts with a way higher 1440 x 2560 resolution and a lot more pixels per inch of screen. Galaxy A21s counts with a bigger storage capacity to install applications and games than Galaxy S7 Active, and although they both have the same 32 GB internal memory, the Galaxy A21s also has an external memory card slot that admits a maximum of 512 GB.
The Galaxy A21s takes better photographs and videos than Samsung Galaxy S7 Active, because although it has a tinier aperture which is worse for low-light images and video, and they both have the same (Full HD) video definition and the same video frame rates, the Galaxy A21s also counts with a back camera with a much higher resolution.
Galaxy A21s counts with superior battery lifetime than Samsung Galaxy S7 Active, because it has 5000mAh of battery capacity instead of 4000mAh.
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