Compare phones
| Global Score | |
| 77.7 | 75.8 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | -- |
| 2020-06-19 | 2017-01-13 |
| 6.44 x 2.96 x 0.35 inches | 5.75 x 2.81 x 0.31 inches |
| 6.77 ounces | 5.61 ounces |
| Black, Blue, Red and White | Black sky, Blue mist, Gold sand and Peach cloud |
| -- | Glass and Metal |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.5 inches | 5.2 inches |
| 1600 x 720 pixels | 1920 x 1080 pixels (Full HD) |
| TFT | Super AMOLED |
| 270 pixels per inch | 424 pixels per inch |
| No touch screen | No touch screen |
| 7.2 | 8.1 |
| Performance | |
| Samsung Exynos 850 chipset | Samsung Exynos 7 Octa 7880 chipset |
| Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor | ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1900 MHz) processor |
| 3 GB RAM | 3 GB RAM |
| Mali-G76 GPU | Mali-T830 MP3 GPU |
| 9.09 | 9 |
| Storage | |
| 32 GB internal memory | 32 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 256 GB) external memory slot |
| 9.84 | 8.88 |
| Camera | |
| 48.00 MP + 13.00 MP | 16.00 MP + 16.00 MP |
| f/2.00 aperture | f/1.90 aperture |
| 26.00mm focal length | 27.00mm focal length |
| 0.5 inches (1/2") sensor | -- |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 10.78 | 9.24 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | -- |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G) and HSPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 5.5 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 3000mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 4.96 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.2 |
| GPS | GPS |
| NFC | 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
Galaxy A21s has a global score of 77.7, which is just a bit better than Galaxy A5 (2017)'s global score of 75.8. Galaxy A21s is a newer phone than the Galaxy A5 (2017), although it is somewhat thicker and somewhat heavier. The Galaxy A5 (2017) counts with a better display than Samsung Galaxy A21s, because although it has a much smaller display, it also counts with a higher 1080 x 1920 pixels resolution and a much greater display pixel density.
Galaxy A21s features a little faster processor than Galaxy A5 (2017). Both of them have 3 GB of RAM and 8 cpu cores. The Samsung Galaxy A21s takes better photographs and videos than Galaxy A5 (2017), because although it has a smaller diafragm aperture, and they both have the same video frame rates and the same 1920x1080 (Full HD) video quality, the Samsung Galaxy A21s also counts with a much more mega pixels back facing camera.
The Galaxy A21s has a better storage for applications and games than Samsung Galaxy A5 (2017), and although they both have exactly the same 32 GB internal storage, the Galaxy A21s also has a slot for external memory cards that holds up to 512 GB. The Galaxy A21s counts with a much longer battery lifetime than Galaxy A5 (2017), because it has 5000mAh of battery capacity against 3000mAh.
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