Compare phones
| Global Score | |
| 74.9 | 77.7 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 10 |
| 2016-01-01 | 2020-06-19 |
| 6.37 x 3.19 x 0.29 inches | 6.44 x 2.96 x 0.35 inches |
| 7.05 ounces | 6.77 ounces |
| Champagne gold, Midnight black, Pearl white and Pink | Black, Blue, Red and White |
| Metal | -- |
| Display / Screen | |
| 6 inches | 6.5 inches |
| 1920 x 1080 pixels (Full HD) | 1600 x 720 pixels |
| Super AMOLED | TFT |
| 367 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 7.8 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 652 8976 chipset | Samsung Exynos 850 chipset |
| ARM Cortex-A72 and ARM Cortex-A53, 64-bit, 28 nm (Octa-Core 1800 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 3 GB RAM | 3 GB RAM |
| Adreno 510 GPU | Mali-G76 GPU |
| 8.91 | 9.09 |
| Storage | |
| 32 GB internal memory | 32 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.12 | 9.84 |
| Camera | |
| 13.00 MP + 8.00 MP | 48.00 MP + 13.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 9.46 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| -- | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Dual SIM | Nano SIM, Dual SIM |
| 5.7 | 6.7 |
| Battery Life | |
| 4000mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 6.8 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
Comparison review
Galaxy A21s has an overall score of 77.7, which is slightly better than Galaxy A9 (2016)'s score of 74.9. Galaxy A21s is a way newer and a bit lighter device than the Galaxy A9 (2016), although it is also thicker. The Galaxy A9 (2016) counts with a little bit better screen than Samsung Galaxy A21s, because although it has a bit smaller screen, it also counts with a better resolution of 1080 x 1920px and a better display density.
Samsung Galaxy A21s counts with much more storage capacity for games and applications than Samsung Galaxy A9 (2016), and although they both have the same 32 GB internal memory capacity, the Samsung Galaxy A21s also has an external SD slot that admits up to 512 GB. Samsung Galaxy A21s has a little better hardware performance than Galaxy A9 (2016). Both have the same RAM amount and 8 cores.
Galaxy A21s counts with longer battery lifetime than Galaxy A9 (2016), because it has a 5000mAh battery capacity. Galaxy A21s shoots much clearer pictures and videos than Galaxy A9 (2016), because although it has a smaller camera aperture which is not so good for capturing photos or video in low light situations, and they both have the same 1920x1080 (Full HD) video quality and the same 30 fps video frame rate, the Galaxy A21s also counts with a camera with much more mega pixels.
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