Compare phones
| Global Score | |
| 78.9 | 77.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 10, 9.0 Pie, 8.1 Oreo | Android 10 |
| 2019-02-05 | 2020-06-19 |
| 6.16 x 2.93 x 0.35 inches | 6.44 x 2.96 x 0.35 inches |
| 6.56 ounces | 6.77 ounces |
| Charcoal black and Ocean blue | Black, Blue, Red and White |
| Plastic and Plastic | -- |
| Display / Screen | |
| 6.3 inches | 6.5 inches |
| 2340 x 1080 pixels | 1600 x 720 pixels |
| IPS LCD | TFT |
| 409 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8 | 7.2 |
| Performance | |
| Samsung Exynos 7 Octa 7904 chipset | Samsung Exynos 850 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 3 GB RAM |
| Mali-G71 MP2 GPU | Mali-G76 GPU |
| 8.91 | 9.09 |
| 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 | 48.00 MP + 13.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| 12.00mm focal length | 26.00mm focal length |
| 0.32 inches (1/3.1") sensor | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 9.02 | 10.78 |
| 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, Compass, Gyroscope and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Samsung Galaxy M20 is just a bit better than Galaxy A21s, having a 78.9 score against 77.7. Samsung Galaxy M20's construction has the same thickness than the Galaxy A21s, but it is a little bit lighter. These devices include the same Android 10 OS (operating system), so both should offer identical OS features.
The Galaxy A21s has a little better processing power than Galaxy M20, although it has less RAM, they both have a Octa-Core processing unit. Galaxy M20 counts with a better looking screen than Samsung Galaxy A21s, because although it has a bit smaller screen, it also counts with a way better 1080 x 2340 resolution and a much higher display pixel density.
Galaxy A21s has a much better camera than Galaxy M20, because although it has a smaller aperture which is not favorable for taking photographs or video in poorly lited situations, and they both have the same video frame rate and the same 1920x1080 (Full HD) video quality, the Galaxy A21s also counts with a lot bigger sensor which gives a much higher photo and video quality and a way better resolution camera in the back.
The Samsung Galaxy M20 has more memory capacity for applications, games, photos and videos than Samsung Galaxy A21s, and although they both have a SD card slot that holds up to 512 GB, the Samsung Galaxy M20 also has 32 GB more internal storage. The Samsung Galaxy M20 and the Samsung Galaxy A21s have similar batteries.
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