| Global Score | |
| 71.9 | 77.7 |
| Basic Information | |
| Samsung | Samsung |
| Windows Phone 8 | Android 10 |
| 2014-04-04 | 2020-06-19 |
| 5.42 x 2.75 x 0.33 inches | 6.44 x 2.96 x 0.35 inches |
| 4.79 ounces | 6.77 ounces |
| Gray | Black, Blue, Red and White |
| Scratch-Resistant Glass | -- |
| $ 249.00 | -- |
| Display / Screen | |
| 5 inches | 6.5 inches |
| 1080 x 1920 pixels (Full HD) | 1600 x 720 pixels |
| Super AMOLED | TFT |
| 441 pixels per inch | 270 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 9.1 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 800 chipset | Samsung Exynos 850 chipset |
| Quad-Core 2300 MHz processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 2 GB RAM | 3 GB RAM |
| Adreno 330 (450 MHz) GPU | Mali-G76 GPU |
| 9.27 | 9.09 |
| Storage | |
| 16 GB internal memory | 32 GB internal memory |
| microSD, microSDHC, microSDXC (up to 64 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 6.16 | 9.84 |
| Camera | |
| 13.00 MP + 2.00 MP | 48.00 MP + 13.00 MP |
| -- | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 1920 x 1080 (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 6.93 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), UMTS, EV-DO A, EDGE, GPRS, GSM and CDMA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| SIM | Nano SIM, Dual SIM |
| 6.1 | 6.7 |
| Battery Life | |
| 2600mAh Li-Ion Battery | 5000mAh Li - Polymer Battery |
| Removable Battery | Non-Removable Battery |
| 480 hours standby time 20 hours talk time | -- |
| 4.56 | 6.8 |
| Other Features | |
| Bluetooth 3.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
Samsung Galaxy A21s has a score of 77.7, which is a bit better than Samsung ATIV SE's general score of 71.9. The Samsung Galaxy A21s works with Android 10 operating system, while Samsung ATIV SE counts with Windows Phone 8 operating system. The Samsung Galaxy A21s is a noticeably newer phone than Samsung ATIV SE, but it is incredibly heavier and a bit thicker.
The Samsung ATIV SE has a much more vibrant display than Samsung Galaxy A21s, because although it has a much smaller screen, it also counts with a way higher screen pixels density and a better resolution of 1920 x 1080px. The Samsung Galaxy A21s features much more memory to store more games and applications than Samsung ATIV SE, because it has 16 GB more internal memory capacity and an external memory slot that supports a maximum of 512 GB.
The Samsung ATIV SE counts with a little bit better hardware performance than Galaxy A21s, because although it has lesser RAM and less cores , it also counts with an extra graphics co-processor. Galaxy A21s takes a lot better videos and photos than Samsung ATIV SE, and although they both have the same video frame rates and the same (Full HD) video definition, the Galaxy A21s also has a way more MP camera in the back.
Galaxy A21s counts with a really longer battery performance than Samsung ATIV SE, because it has 5000mAh of battery capacity.
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