Compare phones
| Global Score | |
| 80 | 84.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | Android 11, 10 |
| 2021-03-18 | 2020-03-23 |
| 6.46 x 2.99 x 0.38 inches | 6.26 x 2.96 x 0.35 inches |
| 7.80 ounces | 6.63 ounces |
| Black, blue 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 |
| PLS | Super AMOLED |
| 270 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.2 | 8.4 |
| Performance | |
| Samsung Exynos 850 S5E3830 chipset | Exynos 9611 chipset |
| Cortex-A55, 64-bit, 8 nm (Octa-Core 2000 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali-G52 MP1 GPU | Mali-G72 MP3 GPU |
| 9.09 | 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 |
| -- | 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-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual 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, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Samsung Galaxy M21 is a bit better than Galaxy M12, having an 84.1 score against 80. These phones come with Android OS (Operating System), but the Samsung Galaxy M21 has the newer 11 version while Galaxy M12 has Android 10 version, offering some extra features and performance tweaks. The Samsung Galaxy M21 is an older cellphone than Galaxy M12, but Samsung could make it somewhat lighter and just a little bit thinner.
Galaxy M21 features a little faster processing unit than Galaxy M12. Both have 4 GB of RAM and the same number of cores. The Samsung Galaxy M21 has a sharper display than Galaxy M12, because although it has a little bit smaller display, it also counts with a way higher 1080 x 2340 resolution and more pixels per screen inch.
The Galaxy M21 features a superior camera than Galaxy M12, and although they both have a F2 diafragm aperture and a camera with a 48 megapixels resolution, the Galaxy M21 also has a way better (4K) video definition. Samsung Galaxy M12 has more storage to install applications and games or saving photos and videos than Samsung Galaxy M21, and although they both have the same internal storage capacity, the Samsung Galaxy M12 also has a SD memory slot that supports a maximum of 1 TB.
Galaxy M21 and Samsung Galaxy M12 both feature incredibly similar batteries duration.
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