Compare phones
| Global Score | |
| 79.5 | 84.1 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 11, 10 |
| 2016-08-02 | 2020-03-23 |
| 6.04 x 2.91 x 0.31 inches | 6.26 x 2.96 x 0.35 inches |
| 5.96 ounces | 6.63 ounces |
| Black onyx, Blue coral, Gold platinum and Silver titanium | Midnight blue and Raven black |
| -- | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 5.7 inches | 6.4 inches |
| 2560 x 1440 pixels (Quad HD / 2K) | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 515 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.5 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 820 MSM8996 chipset | Exynos 9611 chipset |
| Kryo, 64-bit, 14 nm (Quad-Core 2150 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Adreno 530 GPU | Mali-G72 MP3 GPU |
| 8.91 | 9.27 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 10.78 | 11.74 |
| Camera | |
| 12.00 MP + 5.00 MP | 48.00 MP + 20.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.4 inches (1/2.5") sensor | 0.5 inches (1/2") 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 |
| 9.57 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G) and HSPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.1 | 6.7 |
| Battery Life | |
| 3500mAh Li - Ion Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.44 | 7.52 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Galaxy M21 has a global score of 84.1, which is a bit better than the Galaxy Note7's 79.5 global score. Even though Galaxy M21 is incredibly newer than the Galaxy Note7, it is heavier and somewhat thicker. The Samsung Galaxy Note7 features a little sharper display than Galaxy M21, because although it has a little smaller screen, it also counts with a better resolution of 1440 x 2560px and a higher screen pixels density.
Galaxy M21 counts with a slightly bigger memory capacity to install games and applications than Galaxy Note7, and although they both have equal 64 GB internal memory, the Galaxy M21 also has a slot for an SD memory card that supports up to 512 GB. The Samsung Galaxy M21 has a little better hardware performance than Galaxy Note7, and although they both have a 4 GB RAM memory, the Samsung Galaxy M21 also has a greater number of cores.
Galaxy M21 features a very superior camera than Galaxy Note7, because although it has a smaller aperture which is not nice for low light photography and video, and they both have the same video frame rates and the same video resolution, the Galaxy M21 also counts with a back-facing camera with a lot better resolution and a larger sensor shooting higher quality photographs.
Galaxy M21 has a really longer battery duration than Galaxy Note7, because it has 6000mAh of battery capacity instead of 3500mAh.
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