| Global Score | |
| 77.7 | 85.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | Android 5.0 |
| 2020-06-19 | 2015-04-10 |
| 6.44 x 2.96 x 0.35 inches | 5.59 x 2.76 x 0.28 inches |
| 6.77 ounces | 4.66 ounces |
| Black, Blue, Red and White | Black, Gold, Green and White |
| -- | Aluminium and Glass |
| -- | Scratch-Resistant Glass |
| -- | $ 950.00 |
| Display / Screen | |
| 6.5 inches | 5.1 inches |
| 1600 x 720 pixels | 1440 x 2560 pixels (Quad HD / 2K) |
| TFT | Super AMOLED |
| 270 pixels per inch | 576 pixels per inch |
| No touch screen | Capacitive, Multi-touch |
| 7.2 | 9.9 |
| Performance | |
| Samsung Exynos 850 chipset | Exynos 7 Octa 7420 chipset |
| Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor | 64-bit ARM Cortex-A57 (Quad-Core 2100 MHz + Quad-Core 1500 MHz) processor |
| 3 GB RAM | 3 GB (1600 MHz) RAM |
| Mali-G76 GPU | Mali-T760 MP8 (650 MHz) GPU |
| 9.09 | 10.08 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 9.84 | 10.1 |
| Camera | |
| 48.00 MP + 13.00 MP | 16.00 MP + 5.00 MP |
| f/2.00 aperture | f/1.90 aperture |
| 26.00mm focal length | 28.00mm focal length |
| 0.5 inches (1/2") sensor | 0.38 inches (1/2.6") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (4K) video resolution |
| 10.78 | 8.47 |
| 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, HSUPA, UMTS, EDGE, GPRS and GSM |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 2600mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.8 | 4.56 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.1 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
The Galaxy S6 Edge is better than the Galaxy A21s, getting a global score of 85.7 against 77.7. These phones include Android OS (operating system), but the Galaxy S6 Edge has 5.0 version while Galaxy A21s has Android 10 version. The Galaxy S6 Edge body is notably lighter and thinner than Galaxy A21s, despite of the fact that it was released many years before.
Samsung Galaxy S6 Edge features a way better display than Galaxy A21s, because although it has a lot smaller screen, it also counts with a lot better 2560 x 1440px resolution and a lot better screen density. The Galaxy S6 Edge features a better performing processing unit than Galaxy A21s, and although they both have the same number of cores and 3 GB of RAM memory, the Galaxy S6 Edge also has a graphics processing unit and a 64-bit CPU.
The Galaxy A21s has a greater camera than Galaxy S6 Edge, because although it has a smaller camera aperture, and they both have the same 1920x1080 (Full HD) video quality and the same video frame rates, the Galaxy A21s also counts with a camera in the back with a way better resolution and a lot bigger back-facing camera sensor capturing more light and vivid colors.
Galaxy S6 Edge has just a bit bigger memory capacity for games and applications than Galaxy A21s, because although it has no SD memory card expansion slot, it also counts with 128 GB internal memory capacity. Galaxy A21s has a much longer battery life than Galaxy S6 Edge, because it has a 5000mAh battery size.
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