Compare phones
| Global Score | |
| 84.1 | 79.3 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 5.1 |
| 2020-03-23 | 2015-08-13 |
| 6.26 x 2.96 x 0.35 inches | 6.08 x 2.98 x 0.27 inches |
| 6.63 ounces | 5.40 ounces |
| Midnight blue and Raven black | Black, Gold and Gray |
| Plastic and Plastic | Glass; metal |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 439.00 |
| Display / Screen | |
| 6.4 inches | 5.7 inches |
| 2340 x 1080 pixels | 1440 x 2560 pixels (Quad HD / 2K) |
| Super AMOLED | Super AMOLED |
| 403 pixels per inch | 515 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | Capacitive, Multi-touch |
| 8.4 | 9.4 |
| Performance | |
| Exynos 9611 chipset | Exynos 7 Octa 7420 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | ARM Cortex-A57 and ARM Cortex-A53, 64-bit (Single-Core 2100 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | ARM Mali-T760 MP8 GPU |
| 9.27 | 8.46 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 7.7 |
| Camera | |
| 48.00 MP + 20.00 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 |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1280 x 720 (120 fps) (HD) slow motion video |
| 11.55 | 10.01 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), HSPA, HSUPA, EDGE, GPRS, GSM and CDMA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 6.8 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 3000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| -- | 336 hours standby time 28 hours talk time |
| 7.52 | 4.96 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.2 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | -- |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Galaxy M21 is a bit better than Galaxy S6 edge+, having an 84.1 score against 79.3. Galaxy M21 is a noticeably newer device than the Galaxy S6 edge+, although it is noticeably thicker and somewhat heavier. Both of these devices come with Android OS (operating system), but the Galaxy M21 has newer 11 version while Galaxy S6 edge+ has Android 5.1 version.
Galaxy S6 edge+ features a sharper screen than Galaxy M21, because although it has a little bit smaller screen, it also counts with more pixels per screen inch and a better resolution of 2560 x 1440px. Galaxy M21 has a little better hardware performance than Galaxy S6 edge+, and although they both have the same RAM amount, the Galaxy M21 also has a higher number of cores.
Galaxy M21 features a better camera than Samsung Galaxy S6 edge+, because although it has a smaller aperture which is not nice for low light captures and video, and they both have the same 30 fps video frame rate and the same video quality, the Galaxy M21 also counts with a way bigger sensor providing a lot higher image quality and a back-facing camera with a much better 48 mega-pixels resolution.
The Galaxy M21 counts with a much better storage capacity for applications and games than Galaxy S6 edge+, and although they both have exactly the same internal memory, the Galaxy M21 also has a slot for SD memory cards that supports up to 512 GB. Samsung Galaxy M21 counts with a way better battery duration than Galaxy S6 edge+, because it has a 6000mAh battery capacity.
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