| Global Score | |
| 91.8 | 85.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 11 | Android 5.0 |
| 2021-01-29 | 2015-04-10 |
| 5.97 x 2.80 x 0.31 inches | 5.59 x 2.76 x 0.28 inches |
| 6.03 ounces | 4.66 ounces |
| Gray, Phantom pink, Violet and White | Black, Gold, Green and White |
| Aluminum and Plastic | Aluminium and Glass |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 722.00 | $ 950.00 |
| Display / Screen | |
| 6.2 inches | 5.1 inches |
| 2400 x 1080 pixels | 1440 x 2560 pixels (Quad HD / 2K) |
| Dynamic AMOLED | Super AMOLED |
| 424 pixels per inch | 576 pixels per inch |
| 1300 cd/m2 brightness | -- |
| No touch screen | Capacitive, Multi-touch |
| 9.2 | 9.9 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Exynos 7 Octa 7420 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | 64-bit ARM Cortex-A57 (Quad-Core 2100 MHz + Quad-Core 1500 MHz) processor |
| 8 GB RAM | 3 GB (1600 MHz) RAM |
| Adreno 660 GPU | Mali-T760 MP8 (650 MHz) GPU |
| 9.63 | 10.08 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 10.1 |
| Camera | |
| 12.00 MP + 10.00 MP | 16.00 MP + 5.00 MP |
| f/1.80 aperture | f/1.90 aperture |
| 26.00mm focal length | 28.00mm focal length |
| 0.57 inches (1/1.76") sensor | 0.38 inches (1/2.6") sensor |
| 7680 x 4320 (24 fps) video resolution | 3840 x 2160 (4K) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | -- |
| 10.78 | 8.47 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA, HSUPA, UMTS, EDGE, GPRS and GSM |
| Nano SIM | Nano SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 2600mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 5.92 | 4.56 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.1 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Galaxy S21 has an overall score of 91.8, which is a little bit better than the Samsung Galaxy S6 Edge's 85.7 overall score. Both phones in our current comparison have Android OS (operating system), but Galaxy S21 has newer 11 version while Samsung Galaxy S6 Edge has Android 5.0 version, counting with lots of additional features. Even though Galaxy S21 is a lot newer than Samsung Galaxy S6 Edge, it is heavier and just a little bit thicker.
Galaxy S6 Edge has a bit more vivid display than Galaxy S21, because although it has a little smaller screen, it also counts with a better resolution of 2560 x 1440 pixels and a higher display density. Samsung Galaxy S6 Edge has just a bit better hardware performance than Samsung Galaxy S21, because although it has a smaller amount of RAM, and they both have the same number of cores, the Samsung Galaxy S6 Edge also counts with a 64 bits processing unit and an extra graphics processor.
The Samsung Galaxy S6 Edge's memory for games and applications is just as good as the Samsung Galaxy S21 one, both have equal 128 GB internal storage capacity. The Galaxy S21 counts with a really longer battery life than Galaxy S6 Edge, because it has 4000mAh of battery capacity. Galaxy S21 takes a lot better videos and photos than Galaxy S6 Edge, because although it has a camera with lot less mega pixels, it also counts with a larger diafragm aperture, a way better video resolution and a lot bigger sensor providing a way better image quality.
The Samsung Galaxy S21 is not only the best phones between the ones we are comparing, but it's also by far the cheapest, which makes this phone a great choice.
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