Compare phones
| Global Score | |
| 72.3 | 84.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10, 9.0 Pie | Android 11, 10 |
| 2019-03-19 | 2020-03-23 |
| 6.13 x 2.98 x 0.31 inches | 6.26 x 2.96 x 0.35 inches |
| 5.93 ounces | 6.63 ounces |
| Black, Blue and Red | Midnight blue and Raven black |
| Plastic | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| $ 151.00 | -- |
| Display / Screen | |
| 6.2 inches | 6.4 inches |
| 1520 x 720 pixels | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 271 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.2 | 8.4 |
| Performance | |
| Samsung Exynos 7884 chipset | Exynos 9611 chipset |
| ARM Cortex-A73 and 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 |
| 2 GB RAM | 4 GB RAM |
| Mali-G71 MP2 GPU | Mali-G72 MP3 GPU |
| 8.73 | 9.27 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 9.84 | 11.74 |
| Camera | |
| 13.00 MP + 5.00 MP | 48.00 MP + 20.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| 27.00mm focal length | 26.00mm focal length |
| 0.32 inches (1/3.1") 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 |
| 9.02 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.6 | 6.7 |
| Battery Life | |
| 3400mAh Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.36 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | Fingerprint ID Scanner |
| Accelerometer and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy M21 is much better than the Samsung Galaxy A10, having a general score of 84.1 against 72.3. Both of these devices work with the same Android 11 OS, so both should offer very similar operating system features. The Galaxy M21 is a newer phone than the Samsung Galaxy A10, but it is somewhat thicker and heavier.
Galaxy M21 counts with a better looking display than Galaxy A10, because it has a much better resolution of 1080 x 2340 pixels, a bit bigger display and a better screen pixels density. The Galaxy M21 has a quite bigger memory capacity for applications and games than Galaxy A10, and although they both have a slot for external memory cards that admits a maximum of 512 GB, the Galaxy M21 also has 32 GB more internal memory capacity.
Galaxy M21 features a bit faster processor than Galaxy A10, and although they both have 8 cores, the Galaxy M21 also has a larger amount of RAM. The Galaxy M21 takes much clearer videos and photos than Galaxy A10, because although it has a smaller camera aperture, it also counts with a way larger camera sensor, a much better 48 mega-pixels resolution camera and a way higher (4K) video resolution.
Galaxy M21 has a superior battery lifetime than Galaxy A10, because it has 6000mAh of battery capacity instead of 3400mAh.
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