| Global Score | |
| 72.4 | 84.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 4.4.4 | Android 11, 10 |
| 2014-10-30 | 2020-03-23 |
| 5.48 x 2.74 x 0.26 inches | 6.26 x 2.96 x 0.35 inches |
| 4.34 ounces | 6.63 ounces |
| Black, Blue, Gold, Gray, Pink and White | Midnight blue and Raven black |
| Aluminium | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| $ 239.00 | -- |
| Display / Screen | |
| 5 inches | 6.4 inches |
| 720 x 1280 pixels (HD) | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 294 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| Capacitive, Multi-touch | No touch screen |
| 8.3 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 410 8916 chipset | Exynos 9611 chipset |
| 64-bit ARM Cortex-A53 (Quad-Core 1200 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 2 GB (533 MHz) RAM | 4 GB RAM |
| Adreno 306 (450 MHz) GPU | Mali-G72 MP3 GPU |
| 9.09 | 9.27 |
| Storage | |
| 16 GB internal memory | 64 GB internal memory |
| microSD, microSDHC, microSDXC (up to 64 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 6.16 | 11.74 |
| Camera | |
| 13.00 MP + 5.00 MP | 48.00 MP + 20.00 MP |
| -- | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 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 |
| 7.92 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA, HSUPA, UMTS, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 7 | 6.7 |
| Battery Life | |
| 2300mAh Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 15 hours talk time | -- |
| 4.24 | 7.52 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| -- | FM Radio |
The Samsung Galaxy M21 has an overall score of 84.1, which is better than Samsung Galaxy A5's 72.4 global score. Even though the Samsung Galaxy M21 is incredibly newer than the Samsung Galaxy A5, it's extremely heavier and much thicker. Both of these devices include Android operating system, but Samsung Galaxy M21 has the older 11 version and Samsung Galaxy A5 has Android 4.4.4.
The Galaxy M21 features a little bit better looking display than Galaxy A5, because it has a lot higher resolution of 1080 x 2340, a bigger screen and a better pixel quantity in each display inch. Galaxy M21 counts with a way bigger memory for games and applications than Samsung Galaxy A5, because it has a slot for external memory cards that supports a maximum of 512 GB and 48 GB more internal memory capacity.
Galaxy M21 counts with a bit better processor than Samsung Galaxy A5, because although it has a 32-bits processing unit instead of 64-bits and doesn't have an extra graphics processing unit, it also counts with a higher amount of RAM memory and a larger number of cores. Galaxy M21 counts with a way better camera than Galaxy A5, because it has a back camera with a much better 48 mega-pixels resolution and a lot better 3840x2160 (4K) video quality.
Samsung Galaxy M21 has a very superior battery lifetime than Galaxy A5, because it has a 6000mAh battery size.
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