Compare phones
| Global Score | |
| 80.3 | 84.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | Android 11, 10 |
| 2020-12-21 | 2020-03-23 |
| 6.46 x 2.98 x 0.35 inches | 6.26 x 2.96 x 0.35 inches |
| 7.23 ounces | 6.63 ounces |
| Black, Blue, Red and White | Midnight blue and Raven black |
| Plastic and Plastic | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.5 inches | 6.4 inches |
| 1600 x 720 pixels | 2340 x 1080 pixels |
| LCD | Super AMOLED |
| 270 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.3 | 8.4 |
| Performance | |
| Mediatek Helio P35 MT6765 chipset | Exynos 9611 chipset |
| Cortex-A53, 64-bit, 12 nm (Octa-Core 2350 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| PowerVR GE8320 GPU | Mali-G72 MP3 GPU |
| 9.27 | 9.27 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 1 TB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 13.02 | 11.74 |
| Camera | |
| 48.00 MP + 8.00 MP | 48.00 MP + 20.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| 26.00mm focal length | 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 |
| 10.23 | 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 | |
| 5000mAh Li - Polymer Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| -- | FM Radio |
Comparison review
Galaxy M21 is a bit better than the Galaxy A12, getting an 84.1 score against 80.3. Galaxy M21's body has the same thickness than the Galaxy A12, but it's just a little lighter. Both of these phones work with Android OS (operating system), but the Galaxy M21 has 11 version while Galaxy A12 has Android 10 version, providing the user a couple additional features.
The Samsung Galaxy M21 counts with a CPU that's very similar to Samsung Galaxy A12's processing unit, both have the same RAM amount and 8 processing cores. The Galaxy M21 has a brighter display than Samsung Galaxy A12, because although it has a little smaller display, it also counts with more pixels per inch of screen and a lot higher resolution of 1080 x 2340px.
The Galaxy M21 takes much clearer photographs and videos than Galaxy A12, and although they both have a 48 MP resolution back facing camera and a same size aperture, the Galaxy M21 also has a much higher 3840x2160 video definition. The Galaxy A12 has a greater memory capacity to store more apps and games than Galaxy M21, and although they both have exactly the same 64 GB internal storage, the Galaxy A12 also has a slot for an SD memory card that holds up to 1 TB.
Samsung Galaxy M21 counts with greater battery duration than Galaxy A12, because it has a 6000mAh battery size instead of 5000mAh.
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