Compare phones
| Global Score | |
| 84.1 | 94.8 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 13, 12, 11, 10 |
| 2020-03-23 | 2020-03-06 |
| 6.26 x 2.96 x 0.35 inches | 5.97 x 2.72 x 0.31 inches |
| 6.63 ounces | 5.78 ounces |
| Midnight blue and Raven black | Cloud blue, Cloud pink, Cosmic grey and Cosmic white |
| Plastic and Plastic | Aluminum and Glass (Corning Gorilla Glass 6) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 1000.00 |
| Display / Screen | |
| 6.4 inches | 6.2 inches |
| 2340 x 1080 pixels | 3200 x 1440 pixels |
| Super AMOLED | Dynamic AMOLED |
| 403 pixels per inch | 566 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8.9 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 865 SM8250 (7 nm) chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 585, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 12 GB RAM |
| Mali-G72 MP3 GPU | Adreno 650 GPU |
| 9.27 | 9.72 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 1000 GB) external memory slot |
| 11.74 | 15.38 |
| Camera | |
| 48.00 MP + 20.00 MP | 12.00 MP + 10.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.59 inches (1/1.7") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 11.55 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 7.52 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy S20 is much better than Samsung Galaxy M21, having a 94.8 score against 84.1. The Galaxy S20 construction is somewhat thinner and lighter than the Samsung Galaxy M21, even though both of them were only released 1 months apart. Both of these phones work with Android OS (operating system), but the Galaxy S20 has a more recent 13 version while Samsung Galaxy M21 has Android 11, providing lots of additional features.
Galaxy S20 features a little more vivid screen than Samsung Galaxy M21, because although it has a bit smaller display, it also counts with a higher pixel amount per screen inch and a better resolution of 1440 x 3200. Samsung Galaxy S20 features a much greater memory capacity for applications, games, photos and videos than Galaxy M21, because it has 128 GB internal memory capacity and an external memory slot that supports a maximum of 1000 GB.
The Galaxy S20 has just a little better processing power than Galaxy M21, and although they both have 8 cpu cores, the Galaxy S20 also has 8 GB more RAM. The Samsung Galaxy M21 features a really longer battery duration than Galaxy S20, because it has a 50 percent bigger battery capacity. The Galaxy M21 takes a bit better videos and photos than Galaxy S20, because although it has a smaller diafragm aperture which is worse for shooting images or videos in low-light environments and a tinier back camera sensor capturing lower quality videos and images, and they both have the same video resolution, the Galaxy M21 also counts with better video frame rate and a way more MP camera in the back.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.