Compare phones
| Global Score | |
| 84.1 | 80 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 10 |
| 2020-03-23 | 2021-03-18 |
| 6.26 x 2.96 x 0.35 inches | 6.46 x 2.99 x 0.38 inches |
| 6.63 ounces | 7.80 ounces |
| Midnight blue and Raven black | Black, blue 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 | PLS |
| 403 pixels per inch | 270 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 7.2 |
| Performance | |
| Exynos 9611 chipset | Samsung Exynos 850 S5E3830 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Cortex-A55, 64-bit, 8 nm (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Mali-G52 MP1 GPU |
| 9.27 | 9.09 |
| 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 | -- |
| 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-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Galaxy M21 is a bit better than Galaxy M12, with an 84.1 score against 80. Galaxy M21's construction is lighter and just a little thinner than Galaxy M12, despite of the fact that it was released just 12 months before. Both of these phones use Android operating system, but Galaxy M21 has a newer 11 version and Galaxy M12 has Android 10, providing a couple nice extra features and performance improvements.
The Galaxy M21 counts with just a bit better hardware performance than Galaxy M12. They have 4 GB of RAM and a Octa-Core processor. The Samsung Galaxy M21 has a better looking screen than Galaxy M12, because although it has a quite smaller display, it also counts with a much better 1080 x 2340 resolution and a higher pixel density.
Samsung Galaxy M12 has a bigger storage capacity for applications, games, photos and videos than Galaxy M21, and although they both have equal internal storage, the Samsung Galaxy M12 also has an external SD slot that supports up to 1 TB. The Samsung Galaxy M12's battery performance is just as good as the Galaxy M21 one.
Galaxy M21 counts with a much better camera than Galaxy M12, and although they both have a 48 mega-pixels back-facing camera and a F2 aperture, the Galaxy M21 also has a way higher video quality.
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