Compare phones
| Global Score | |
| 81.9 | 77.7 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 10 |
| 2017-08-11 | 2020-06-19 |
| 5.99 x 2.95 x 0.39 inches | 6.44 x 2.96 x 0.35 inches |
| 7.34 ounces | 6.77 ounces |
| Gold and Gray | Black, Blue, Red and White |
| Scratch-Resistant Glass | -- |
| $ 245.00 | -- |
| Display / Screen | |
| 5.8 inches | 6.5 inches |
| 2960 x 1440 pixels | 1600 x 720 pixels |
| Super AMOLED | TFT |
| 568 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.9 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 835 MSM8998 chipset | Samsung Exynos 850 chipset |
| Kryo 280, 64-bit, 10 nm (Octa-Core 2350 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 3 GB RAM |
| Adreno 540 GPU | Mali-G76 GPU |
| 9.27 | 9.09 |
| Storage | |
| 64 GB internal memory | 32 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 10.78 | 9.84 |
| Camera | |
| 12.00 MP + 8.00 MP | 48.00 MP + 13.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.39 inches (1/2.55") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | -- |
| 9.79 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.6 | 6.7 |
| Battery Life | |
| 4000mAh Li - Ion Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.92 | 6.8 |
| Other Features | |
| Bluetooth 5.1, EDR | 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
The Samsung Galaxy S8 Active has an overall score of 81.9, which is a little bit better than Galaxy A21s's score of 77.7. Despite being the best device in this review, it must be noted that it's also a notably older, just a little bit heavier and thicker device. The Samsung Galaxy S8 Active has a bit faster processing unit than Galaxy A21s, and although they both have a Octa-Core processing unit, the Samsung Galaxy S8 Active also has a larger amount of RAM.
Samsung Galaxy S8 Active features an incredibly better screen than Galaxy A21s, because although it has a little bit smaller screen, it also counts with a way better display pixel density and a much higher 1440 x 2960px resolution. The Galaxy S8 Active counts with slightly more memory capacity for applications and games than Samsung Galaxy A21s, because although it has a slot for an external memory card that supports 256 GB smaller, it also counts with 64 GB internal storage capacity.
The Galaxy A21s takes much better videos and photos than Galaxy S8 Active, because although it has a tinier aperture, and they both have the same (Full HD) video resolution and the same video frame rate, the Galaxy A21s also counts with a lot bigger sensor taking more light and vivid colors and a back camera with way more megapixels.
The Samsung Galaxy A21s features greater battery duration than Samsung Galaxy S8 Active, because it has a 5000mAh battery capacity against 4000mAh.
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