Compare phones
| Global Score | |
| 94.8 | 84.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 13, 12, 11, 10 | Android 11, 10 |
| 2020-03-06 | 2020-03-23 |
| 5.97 x 2.72 x 0.31 inches | 6.26 x 2.96 x 0.35 inches |
| 5.78 ounces | 6.63 ounces |
| Cloud blue, Cloud pink, Cosmic grey and Cosmic white | Midnight blue and Raven black |
| Aluminum and Glass (Corning Gorilla Glass 6) | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 1000.00 | -- |
| Display / Screen | |
| 6.2 inches | 6.4 inches |
| 3200 x 1440 pixels | 2340 x 1080 pixels |
| Dynamic AMOLED | Super AMOLED |
| 566 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.9 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 865 SM8250 (7 nm) chipset | Exynos 9611 chipset |
| Kryo 585, 64-bit, 7 nm (Octa-Core 2840 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 12 GB RAM | 4 GB RAM |
| Adreno 650 GPU | Mali-G72 MP3 GPU |
| 9.72 | 9.27 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 1000 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 15.38 | 11.74 |
| Camera | |
| 12.00 MP + 10.00 MP | 48.00 MP + 20.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.59 inches (1/1.7") sensor | 0.5 inches (1/2") sensor |
| 7680 x 4320 (24 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 10.78 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, 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 |
| 10.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.92 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Galaxy S20 is better than the Galaxy M21, with a 94.8 score against 84.1. These phones use Android OS, but the Galaxy S20 has a more recent 13 version while Galaxy M21 has Android 11. Even though Galaxy S20 and Galaxy M21 were released with only a couple of months difference, Galaxy S20 is somewhat thinner and lighter.
The Galaxy S20 counts with a bit better screen than Galaxy M21, because although it has a bit smaller display, it also counts with a higher pixel count per screen inch and a better 1440 x 3200 pixels resolution. Galaxy S20 has a very superior memory capacity for applications and games than Galaxy M21, because it has a slot for SD memory cards that holds up to 1000 GB and 64 GB more internal memory capacity.
The Samsung Galaxy S20 features a bit better processing unit than Galaxy M21, and although they both have 8 cores, the Samsung Galaxy S20 also has a higher amount of RAM memory. Galaxy M21 counts with a much better battery duration than Samsung Galaxy S20, because it has a 50% greater battery size.
Galaxy M21 captures just a bit better photos and videos than Galaxy S20, because although it has a smaller aperture and a smaller camera sensor, and they both have the same 3840x2160 (4K) video quality, the Galaxy M21 also counts with better 30 frames per second video frame rates and a lot more megapixels back-facing camera.
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