Compare phones
| Global Score | |
| 78.9 | 76.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 10, 9.0 Pie, 8.1 Oreo | Android 10 |
| 2019-02-05 | 2020-06-29 |
| 6.16 x 2.93 x 0.35 inches | 6.61 x 3.02 x 0.32 inches |
| 6.56 ounces | 6.81 ounces |
| Charcoal black and Ocean blue | Black |
| Plastic and Plastic | Plastic and Plastic |
| -- | $ 194.00 |
| Display / Screen | |
| 6.3 inches | 6.5 inches |
| 2340 x 1080 pixels | 1600 x 720 pixels |
| IPS LCD | IPS LCD |
| 409 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8 | 7.3 |
| Performance | |
| Samsung Exynos 7 Octa 7904 chipset | Mediatek Helio P35 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 3 GB RAM |
| Mali-G71 MP2 GPU | PowerVR GE8320 GPU |
| 8.91 | 9.27 |
| Storage | |
| 64 GB internal memory | 32 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 11.74 | 9.84 |
| Camera | |
| 13.00 MP + 8.00 MP | 16.00 MP + 13.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 12.00mm focal length | -- |
| 0.32 inches (1/3.1") sensor | 0.33 inches (1/3.06") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 9.02 | 9.35 |
| 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 | |
| 5000mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Galaxy M20 has an overall score of 78.9, which is slightly better than the Galaxy A21's 76.1 global score. The Galaxy M20 is an older and a little bit thicker phone than the Galaxy A21, but Samsung managed to build it just a bit lighter anyway. Both of these devices use the same Android 10 OS (operating system), so they should count with the same OS features.
The Galaxy A21 features a bit faster CPU than Galaxy M20, although it has a smaller amount of RAM memory, they both have 8 CPU cores. Galaxy M20 counts with a slightly better looking display than Samsung Galaxy A21, because although it has a little bit smaller screen, it also counts with a lot greater display density and a lot higher resolution of 1080 x 2340px.
The Galaxy A21 takes a little bit better videos and photos than Galaxy M20, and although they both have the same 1920x1080 (Full HD) video resolution and the same video frame rate, the Galaxy A21 also has a larger camera sensor which offers a better image and video quality, a bigger camera aperture and a camera in the back with more mega-pixels.
The Samsung Galaxy M20 has a greater storage for games and applications than Samsung Galaxy A21, and although they both have a slot for an SD memory card that allows a maximum of 512 GB, the Samsung Galaxy M20 also has 64 GB internal memory capacity. The Samsung Galaxy M20 features greater battery lifetime than Galaxy A21, because it has a 25% greater battery capacity.
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