Compare phones
| Global Score | |
| 80.2 | 84.1 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 11, 10 |
| 2015-08-21 | 2020-03-23 |
| 6.03 x 3.00 x 0.30 inches | 6.26 x 2.96 x 0.35 inches |
| 6.03 ounces | 6.63 ounces |
| Black sapphire, Gold platinum, Silver titan and White pearl | Midnight blue and Raven black |
| Glass and Metal | 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 |
| 8.6 | 8.4 |
| Performance | |
| Samsung Exynos 7 Octa 7420 chipset | Exynos 9611 chipset |
| ARM Cortex-A57 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2100 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali-T760 MP8 GPU | Mali-G72 MP3 GPU |
| 9.18 | 9.27 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 7.7 | 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 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 2560 x 1440 (60 fps) (Quad HD / 2K) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 10.01 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.3 | 6.7 |
| Battery Life | |
| 3000mAh Li - Ion Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 4.96 | 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
Galaxy M21 has an overall score of 84.1, which is a little bit better than Galaxy Note5's 80.2 score. Galaxy M21's design is noticeably newer, but just a little heavier and thicker than the Galaxy Note5. Samsung Galaxy Note5 features a little more vivid display than Galaxy M21, because although it has a little bit smaller display, it also counts with a greater pixels density and a better 1440 x 2560 resolution.
Galaxy M21 counts with a little better performance than Galaxy Note5. Both of them have a Octa-Core processing unit and 4 GB of RAM. The Galaxy M21 counts with a very superior storage for applications and games than Samsung Galaxy Note5, and although they both have exactly the same internal memory, the Galaxy M21 also has a slot for SD memory cards that supports a maximum of 512 GB.
The Galaxy M21 counts with a very superior battery life than Galaxy Note5, because it has a 100 percent more battery capacity. Samsung Galaxy M21 counts with a much better camera than Samsung Galaxy Note5, because although it has a smaller diafragm aperture, and they both have the same video frame rate and the same video quality, the Samsung Galaxy M21 also counts with a much higher 48 mega pixels resolution back facing camera and a lot larger sensor capturing more light and vivid colors.
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