Compare phones
| Global Score | |
| 73.5 | 77.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 14 | Android 10 |
| -- | 2020-06-19 |
| 6.30 x 3.02 x 0.33 inches | 6.44 x 2.96 x 0.35 inches |
| 7.05 ounces | 6.77 ounces |
| Black, Fantasy Blue, Optimistic Blue and Personality Yellow | Black, Blue, Red and White |
| Plastic and Plastic | -- |
| Display / Screen | |
| 6.5 inches | 6.5 inches |
| 2340 x 1080 pixels | 1600 x 720 pixels |
| Super AMOLED | TFT |
| 396 pixels per inch | 270 pixels per inch |
| 800 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.6 | 7.2 |
| Performance | |
| Mediatek Helio G99 MT6789 (6 nm) chipset | Samsung Exynos 850 chipset |
| processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 8 GB RAM | 3 GB RAM |
| Mali-G57 MC2 GPU | Mali-G76 GPU |
| 6.21 | 9.09 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 9.84 |
| Camera | |
| 50.00 MP + 13.00 MP | 48.00 MP + 13.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| -- | 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) and LTE (4G) | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 5.6 | 6.7 |
| Battery Life | |
| 5000mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 6.8 |
| Other Features | |
| Bluetooth | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
Comparison review
The Galaxy A21s is just a bit better than Samsung Galaxy A15, getting a 77.7 score against 73.5. The Galaxy A21s design is just a little bit lighter but just a bit thicker than Samsung Galaxy A15. Both phones in this review work with Android OS (Operating System), but the Galaxy A21s has 10 version while Samsung Galaxy A15 has Android 14.
The Galaxy A15 features a much better looking display than Samsung Galaxy A21s, and although they both have a screen with the same size, the Galaxy A15 also has a higher pixels density and a lot better 1080 x 2340 resolution. Galaxy A21s features a really superior processing power than Galaxy A15, although it has less RAM, they both have 8 processing cores.
Galaxy A15 has a bit bigger storage capacity for apps and games than Galaxy A21s, because although it has no SD memory slot, it also counts with 128 GB internal storage. Galaxy A21s takes much better videos and photos than Samsung Galaxy A15, although it has a back camera with a lower 48 megapixels resolution and a smaller camera aperture which is not nice for shooting photographs or videos in low light situations.
The Samsung Galaxy A21s counts with a battery life that's just as good as the battery life in Samsung Galaxy A15.
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