Compare phones
| Global Score | |
| 75.8 | 84.1 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 11, 10 |
| 2018-05-22 | 2020-03-23 |
| 5.90 x 2.79 x 0.30 inches | 6.26 x 2.96 x 0.35 inches |
| 5.71 ounces | 6.63 ounces |
| Black, Blue, Gold and Lavender | Midnight blue and Raven black |
| Metal | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 109.00 | -- |
| Display / Screen | |
| 5.6 inches | 6.4 inches |
| 1480 x 720 pixels | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 294 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.3 | 8.4 |
| Performance | |
| Samsung Exynos 7 Octa 7884 chipset | Exynos 9611 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| Mali-T830 MP1 GPU | Mali-G72 MP3 GPU |
| 8.73 | 9.27 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 400 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 9.44 | 11.74 |
| Camera | |
| 16.00 MP + 16.00 MP | 48.00 MP + 20.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.36 inches (1/2.8") sensor | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 9.46 | 11.55 |
| 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 and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3000mAh Li - Ion Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 4.96 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Galaxy M21 has a score of 84.1, which is much better than the Galaxy A6's 75.8 overall score. Galaxy M21 is a newer cellphone than the Galaxy A6, but it's somewhat heavier and somewhat thicker. The Galaxy M21 counts with a bit faster processor than Galaxy A6, and although they both have 8 processing cores, the Galaxy M21 also has a greater amount of RAM.
The Galaxy M21 has a brighter display than Galaxy A6, because it has a higher pixel amount in each inch in the display, a much higher 1080 x 2340px resolution and a little larger screen. The Samsung Galaxy M21 has much more storage capacity for games and applications than Samsung Galaxy A6, because it has a SD memory slot that holds up to 512 GB and more internal memory capacity.
Samsung Galaxy M21 captures much better pictures and videos than Galaxy A6, because although it has a smaller diafragm aperture which is not favorable for low-light images and video, it also counts with a lot larger camera sensor shooting much higher quality photos and videos, a lot better 3840x2160 (4K) video definition and a much better 48 MP resolution camera in the back.
The Galaxy M21 features a really longer battery lifetime than Galaxy A6, because it has a 100% more battery capacity.
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