| Global Score | |
| 85.7 | 84.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 5.0 | Android 11, 10 |
| 2015-04-10 | 2020-03-23 |
| 5.59 x 2.76 x 0.28 inches | 6.26 x 2.96 x 0.35 inches |
| 4.66 ounces | 6.63 ounces |
| Black, Gold, Green and White | Midnight blue and Raven black |
| Aluminium and Glass | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 950.00 | -- |
| Display / Screen | |
| 5.1 inches | 6.4 inches |
| 1440 x 2560 pixels (Quad HD / 2K) | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 576 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| Capacitive, Multi-touch | No touch screen |
| 9.9 | 8.4 |
| Performance | |
| Exynos 7 Octa 7420 chipset | Exynos 9611 chipset |
| 64-bit ARM Cortex-A57 (Quad-Core 2100 MHz + Quad-Core 1500 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 3 GB (1600 MHz) RAM | 4 GB RAM |
| Mali-T760 MP8 (650 MHz) GPU | Mali-G72 MP3 GPU |
| 10.08 | 9.27 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 11.74 |
| Camera | |
| 16.00 MP + 5.00 MP | 48.00 MP + 20.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| 28.00mm focal length | 26.00mm focal length |
| 0.38 inches (1/2.6") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 8.47 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA, HSUPA, UMTS, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 2600mAh Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 4.56 | 7.52 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| -- | FM Radio |
The Samsung Galaxy S6 Edge is a little bit better than Galaxy M21, with a global score of 85.7 against 84.1. The Samsung Galaxy S6 Edge body is thinner and way lighter than the Galaxy M21, although it was released many years before. Both of these phones include Android operating system, but Samsung Galaxy S6 Edge has an older 5.0 version while Galaxy M21 has Android 11 version.
Galaxy S6 Edge counts with a bit better processing power than Galaxy M21, because although it has less RAM, and they both have a Octa-Core processing unit, the Galaxy S6 Edge also counts with a 64-bit processing unit and an additional GPU. Galaxy S6 Edge has a more vivid display than Samsung Galaxy M21, because although it has a way smaller display, it also counts with a higher pixel density and a better resolution of 2560 x 1440.
The Samsung Galaxy M21 captures a lot better pictures and videos than Samsung Galaxy S6 Edge, because although it has a smaller diafragm aperture which is not nice for low-light captures, and they both have the same video frame rate and the same 3840x2160 (4K) video resolution, the Samsung Galaxy M21 also counts with a lot larger camera sensor capturing lot higher quality photographs and videos and a camera in the back with much more megapixels.
Galaxy M21 counts with a greater storage capacity for games and applications than Samsung Galaxy S6 Edge, because although it has just 64 GB internal memory capacity, it also counts with a SD memory card expansion slot that allows up to 512 GB. The Galaxy M21 has a much longer battery performance than Samsung Galaxy S6 Edge, because it has a 6000mAh battery capacity.
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