Compare phones
| Global Score | |
| 77.7 | 78.9 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | Android 10, 9.0 Pie, 8.1 Oreo |
| 2020-06-19 | 2019-02-05 |
| 6.44 x 2.96 x 0.35 inches | 6.16 x 2.93 x 0.35 inches |
| 6.77 ounces | 6.56 ounces |
| Black, Blue, Red and White | Charcoal black and Ocean blue |
| -- | Plastic and Plastic |
| Display / Screen | |
| 6.5 inches | 6.3 inches |
| 1600 x 720 pixels | 2340 x 1080 pixels |
| TFT | IPS LCD |
| 270 pixels per inch | 409 pixels per inch |
| No touch screen | No touch screen |
| 7.2 | 8 |
| Performance | |
| Samsung Exynos 850 chipset | Samsung Exynos 7 Octa 7904 chipset |
| Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| Mali-G76 GPU | Mali-G71 MP2 GPU |
| 9.09 | 8.91 |
| 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 | |
| 48.00 MP + 13.00 MP | 13.00 MP + 8.00 MP |
| f/2.00 aperture | f/1.90 aperture |
| 26.00mm focal length | 12.00mm focal length |
| 0.5 inches (1/2") sensor | 0.32 inches (1/3.1") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 10.78 | 9.02 |
| 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, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope and Proximity Sensor |
| -- | FM Radio |
Comparison review
Galaxy M20 has a score of 78.9, which is a bit better than the Galaxy A21s's global score of 77.7. Galaxy M20 is a a little bit lighter phone than Galaxy A21s, but they have the same thickness. Both phones in this comparison work with the same Android 10 OS (operating system), so you shouldn't see any differences in that aspect.
Galaxy A21s has just a little better hardware performance than Galaxy M20, although it has 1 GB lesser RAM memory, they both have 8 processing cores. The Galaxy M20 has a more vivid display than Galaxy A21s, because although it has a quite smaller screen, it also counts with a lot greater screen pixels density and a way higher resolution of 1080 x 2340.
The Samsung Galaxy A21s has a better camera than Samsung Galaxy M20, because although it has a tinier camera aperture which is not good for low light captures, and they both have the same video quality and the same 30 fps video frame rate, the Samsung Galaxy A21s also counts with a way higher 48 MP resolution camera and a way bigger back-facing camera sensor taking way higher quality pictures and videos.
The Galaxy M20 counts with a greater memory capacity for games and applications than Galaxy A21s, and although they both have a SD memory slot that allows a maximum of 512 GB, the Galaxy M20 also has more internal memory capacity. The Samsung Galaxy M20's battery lifetime is very similar to Galaxy A21s's battery duration.
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