Compare phones
| Global Score | |
| 73.7 | 77.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 9.0 Pie, 8.0 Oreo | Android 10 |
| 2018-05-22 | 2020-06-19 |
| 5.88 x 2.76 x 0.32 inches | 6.44 x 2.96 x 0.35 inches |
| 5.43 ounces | 6.77 ounces |
| 16 777 216 | Black, Blue, Red and White |
| Plastic | -- |
| Display / Screen | |
| 5.6 inches | 6.5 inches |
| 1480 x 720 pixels | 1600 x 720 pixels |
| Super AMOLED | TFT |
| 294 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 7.3 | 7.2 |
| Performance | |
| Samsung Exynos 7 Octa 7870 chipset | Samsung Exynos 850 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 3 GB RAM | 3 GB RAM |
| Mali-T830 MP1 GPU | Mali-G76 GPU |
| 8.73 | 9.09 |
| Storage | |
| 32 GB internal memory | 32 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.88 | 9.84 |
| Camera | |
| 13.00 MP + 8.00 MP | 48.00 MP + 13.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| 27.00mm focal length | 26.00mm focal length |
| 0.33 inches (1/3.06") 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 |
| 9.02 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.6 | 6.7 |
| Battery Life | |
| 3000mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 4.96 | 6.8 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| FM Radio | -- |
Comparison review
Galaxy A21s has a score of 77.7, which is a little bit better than Galaxy J6's 73.7 general score. The Galaxy A21s construction is incredibly newer, but just a bit thicker and heavier than Galaxy J6. These phones come with Android OS (operating system), but Galaxy A21s has the older 10 version and Galaxy J6 has Android 9.0 Pie version.
Galaxy A21s counts with just a little better performance than Galaxy J6. Both have a Octa-Core processing unit and 3 GB of RAM. Samsung Galaxy J6 has a slightly better display than Samsung Galaxy A21s, because although it has a bit lower resolution of 720 x 1480 and a quite smaller screen, it also counts with a just a little greater pixel count in each display inch.
The Galaxy A21s has a much better camera than Galaxy J6, because although it has a smaller diafragm aperture which is worse for low light photos and videos, and they both have the same video frame rate and the same 1920x1080 video definition, the Galaxy A21s also counts with a much larger back-facing camera sensor taking much better quality photographs and a lot higher 48 megapixels resolution back facing camera.
Samsung Galaxy A21s counts with a bigger memory for applications, games, photos and videos than Samsung Galaxy J6, and although they both have exactly the same internal storage capacity, the Samsung Galaxy A21s also has an external memory slot that holds a maximum of 512 GB. The Galaxy A21s counts with a superior battery lifetime than Galaxy J6, because it has a 5000mAh battery size against 3000mAh.
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