| Global Score | |
| 84.1 | 81.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 5.0, 4.4 |
| 2020-03-23 | 2014-09-03 |
| 6.26 x 2.96 x 0.35 inches | 5.96 x 3.24 x 0.33 inches |
| 6.63 ounces | 6.14 ounces |
| Midnight blue and Raven black | Black and White |
| Plastic and Plastic | -- |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 400.00 |
| Display / Screen | |
| 6.4 inches | 5.6 inches |
| 2340 x 1080 pixels | 1440 x 2560 pixels (Quad HD / 2K) |
| Super AMOLED | Super AMOLED |
| 403 pixels per inch | 525 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | Capacitive, Multi-touch |
| 8.4 | 9.6 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 805 APQ8084 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Krait 450 (Quad-Core 2700 MHz) processor |
| 4 GB RAM | 3 GB (800 MHz) RAM |
| Mali-G72 MP3 GPU | Adreno 420 (500 MHz) GPU |
| 9.27 | 9.54 |
| Storage | |
| 64 GB internal memory | 32 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSD, microSDHC, microSDXC (up to 128 GB) external memory slot |
| 11.74 | 8.12 |
| Camera | |
| 48.00 MP + 20.00 MP | 16.00 MP + 3.70 MP |
| f/2.00 aperture | f/2.20 aperture |
| 26.00mm focal length | 31.00mm 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 | -- |
| 11.55 | 9.9 |
| 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+ (4G), HSDPA, HSUPA, UMTS, EDGE, GPRS, GSM and CDMA |
| Nano SIM, Dual SIM | Micro SIM |
| 6.7 | 7.3 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 3000mAh Li-Ion Battery |
| Non-Removable Battery | Removable Battery |
| -- | 18 hours talk time |
| 7.52 | 4.96 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.1 |
| GPS | GPS |
| -- | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
The Galaxy M21 is a bit better than the Galaxy Note Edge, getting an 84.1 score against 81.7. Both devices in this comparison use Android operating system, but the Galaxy M21 has newer 11 version and Galaxy Note Edge has Android 5.0 version, so it gives some nice extra features and a performance increase. Galaxy M21's design is noticeably newer, but a little bit heavier and a little bit thicker than the Galaxy Note Edge.
Galaxy Note Edge features a little better hardware performance than Samsung Galaxy M21, because although it has a smaller amount of RAM and an inferior number of cores , it also counts with a GPU. Galaxy Note Edge counts with a brighter screen than Galaxy M21, because although it has a little bit smaller screen, it also counts with a better 2560 x 1440 pixels resolution and more pixels per inch of display.
The Galaxy M21 has a much better memory to install applications and games or saving photos and videos than Galaxy Note Edge, because it has more internal memory capacity and an external SD slot that allows up to 512 GB. The Galaxy M21 shoots better videos and photos than Galaxy Note Edge, and although they both have the same 3840x2160 (4K) video quality and the same 30 frames per second video frame rate, the Galaxy M21 also has a camera in the back with way more MP, a way larger back-facing camera sensor taking way higher quality photographs and videos and a larger aperture to capture better low light captures and videos.
Galaxy M21 counts with a way better battery performance than Samsung Galaxy Note Edge, because it has 6000mAh of battery capacity against 3000mAh.
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