Compare phones
| Global Score | |
| 84.1 | 80.3 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 10 |
| 2020-03-23 | 2020-12-21 |
| 6.26 x 2.96 x 0.35 inches | 6.46 x 2.98 x 0.35 inches |
| 6.63 ounces | 7.23 ounces |
| Midnight blue and Raven black | Black, Blue, Red and White |
| Plastic and Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2340 x 1080 pixels | 1600 x 720 pixels |
| Super AMOLED | LCD |
| 403 pixels per inch | 270 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 7.3 |
| Performance | |
| Exynos 9611 chipset | Mediatek Helio P35 MT6765 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Cortex-A53, 64-bit, 12 nm (Octa-Core 2350 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | PowerVR GE8320 GPU |
| 9.27 | 9.27 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 1 TB) external memory slot |
| 11.74 | 13.02 |
| Camera | |
| 48.00 MP + 20.00 MP | 48.00 MP + 8.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | -- |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | -- |
| 11.55 | 10.23 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.6 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Samsung Galaxy M21 has a general score of 84.1, which is a bit better than the Galaxy A12's 80.3 general score. Samsung Galaxy M21's body has the same thickness than the Galaxy A12, but it's a little bit lighter. These devices have Android OS (operating system), but the Samsung Galaxy M21 has a newer 11 version while Galaxy A12 has Android 10.
Samsung Galaxy A12's CPU is very similar to the Samsung Galaxy M21 one, both have 8 cores and the same RAM memory amount. The Galaxy M21 has a much better looking screen than Samsung Galaxy A12, because although it has a quite smaller display, it also counts with a way better 1080 x 2340 resolution and more pixels per inch of display.
The Samsung Galaxy A12 features a better memory to install games and applications than Samsung Galaxy M21, and although they both have equal 64 GB internal memory capacity, the Samsung Galaxy A12 also has a SD extension slot that admits a maximum of 1 TB. The Galaxy M21 counts with better battery life than Galaxy A12, because it has 6000mAh of battery capacity against 5000mAh.
Galaxy M21 counts with a superior camera than Samsung Galaxy A12, and although they both have a 48 megapixels camera and the same aperture, the Galaxy M21 also has a much better 3840x2160 video definition.
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