Compare phones
| Global Score | |
| 77.7 | 75.8 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | -- |
| 2020-06-19 | 2018-05-22 |
| 6.44 x 2.96 x 0.35 inches | 5.90 x 2.79 x 0.30 inches |
| 6.77 ounces | 5.71 ounces |
| Black, Blue, Red and White | Black, Blue, Gold and Lavender |
| -- | Metal |
| -- | Scratch-Resistant Glass |
| -- | $ 109.00 |
| Display / Screen | |
| 6.5 inches | 5.6 inches |
| 1600 x 720 pixels | 1480 x 720 pixels |
| TFT | Super AMOLED |
| 270 pixels per inch | 294 pixels per inch |
| No touch screen | No touch screen |
| 7.2 | 7.3 |
| Performance | |
| Samsung Exynos 850 chipset | Samsung Exynos 7 Octa 7884 chipset |
| Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor | ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor |
| 3 GB RAM | 3 GB RAM |
| Mali-G76 GPU | Mali-T830 MP1 GPU |
| 9.09 | 8.73 |
| Storage | |
| 32 GB internal memory | 32 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 400 GB) external memory slot |
| 9.84 | 9.44 |
| Camera | |
| 48.00 MP + 13.00 MP | 16.00 MP + 16.00 MP |
| f/2.00 aperture | f/1.70 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.36 inches (1/2.8") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 10.78 | 9.46 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 6.7 |
| 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 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Samsung Galaxy A21s has an overall score of 77.7, which is just a bit better than the Samsung Galaxy A6's score of 75.8. Even though Samsung Galaxy A21s is incredibly newer than Samsung Galaxy A6, it's heavier and somewhat thicker. Samsung Galaxy A6 has a bit sharper screen than Galaxy A21s, because although it has a quite lower resolution of 720 x 1480 pixels and a little smaller screen, it also counts with a just a little greater pixel density.
The Galaxy A21s features a bit superior CPU than Galaxy A6. They have 8 cores and the same RAM memory amount. The Samsung Galaxy A21s counts with a slightly better storage capacity for apps and games than Samsung Galaxy A6, and although they both have exactly the same 32 GB internal memory, the Samsung Galaxy A21s also has an external SD slot that holds a maximum of 512 GB.
The Samsung Galaxy A21s features a much better battery life than Galaxy A6, because it has a 67% larger battery size. Galaxy A21s has a better camera than Galaxy A6, because although it has a tinier camera aperture which is not recommended for taking photos or videos in low light situations, and they both have the same video quality and the same video frame rate, the Galaxy A21s also counts with a way larger back-facing camera sensor providing a way better image quality and a back-facing camera with much more mega-pixels.
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