Compare phones
| Global Score | |
| 76.7 | 77.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 10, 8.0 Oreo | Android 10 |
| 2018-06-28 | 2020-06-19 |
| 6.27 x 2.98 x 0.32 inches | 6.44 x 2.96 x 0.35 inches |
| 6.24 ounces | 6.77 ounces |
| Black, Blue, Gold and Pink | Black, Blue, Red and White |
| Plastic | -- |
| Display / Screen | |
| 6 inches | 6.5 inches |
| 1480 x 720 pixels | 1600 x 720 pixels |
| Super AMOLED | TFT |
| 274 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 7.2 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 450 SDM450 chipset | Samsung Exynos 850 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 3 GB RAM |
| Adreno 506 GPU | Mali-G76 GPU |
| 8.91 | 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 | |
| 16.00 MP + 16.00 MP | 48.00 MP + 13.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.36 inches (1/2.8") sensor | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 9.46 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.3 | 6.7 |
| Battery Life | |
| 3500mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.44 | 6.8 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| FM Radio | -- |
Comparison review
Samsung Galaxy A21s has an overall score of 77.7, which is a little bit better than the Galaxy J8's score of 76.7. Both devices in this comparison review include the same Android 10 operating system, so you shouldn't perceive any differences regarding OS features. The Samsung Galaxy A21s body is newer than Galaxy J8's, but it is a little bit heavier and just a bit thicker.
Galaxy A21s counts with a display that is very similar to the display in Samsung Galaxy J8, because although the Galaxy A21s has a quite worse pixel number per inch of screen, it also counts with a little bit higher 720 x 1600 pixels resolution and a quite bigger screen. The Samsung Galaxy J8 features a little bit better memory capacity to install games and applications than Samsung Galaxy A21s, because although it has an external memory slot that admits up to 256 GB against 512 GB, it also counts with 64 GB internal storage capacity.
Samsung Galaxy A21s counts with a little bit better performance than Samsung Galaxy J8, although it has 1 GB lesser RAM, they both have a Octa-Core processing unit. Galaxy A21s has a much better camera than Galaxy J8, because although it has a tinier diafragm aperture which is worse for low light photos and videos, and they both have the same 1920x1080 (Full HD) video resolution and the same 30 frames per second video frame rates, the Galaxy A21s also counts with a much bigger back camera sensor shooting much higher quality photos and videos and a back camera with way more mega pixels.
Galaxy A21s counts with a much better battery performance than Galaxy J8, because it has 5000mAh of battery capacity instead of 3500mAh.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.