Compare phones
| Global Score | |
| 88.3 | 84.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10, 9.0 Pie | Android 11, 10 |
| 2019-03-08 | 2020-03-23 |
| 5.90 x 2.77 x 0.31 inches | 6.26 x 2.96 x 0.35 inches |
| 5.54 ounces | 6.63 ounces |
| Flamingo pink, Prism black, Prism blue, Prism green and Prism white | Midnight blue and Raven black |
| Aluminum and Glass (Corning Gorilla Glass 5) | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 281.00 | -- |
| Display / Screen | |
| 6.1 inches | 6.4 inches |
| 3040 x 1440 pixels | 2340 x 1080 pixels |
| Dynamic AMOLED | Super AMOLED |
| 551 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.9 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 855 chipset | Exynos 9611 chipset |
| Kryo 485, 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 |
| 8 GB RAM | 4 GB RAM |
| Adreno 640 GPU | Mali-G72 MP3 GPU |
| 9.63 | 9.27 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 14.14 | 11.74 |
| Camera | |
| 12.00 MP + 10.00 MP | 48.00 MP + 20.00 MP |
| f/1.50 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.39 inches (1/2.55") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (60 fps) (4K) 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 |
| 10.23 | 11.55 |
| 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 | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3400mAh Li - Ion Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.36 | 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 S10 is just a bit better than the Galaxy M21, having an 88.3 score against 84.1. Despite of the fact that Galaxy S10 is older than the Galaxy M21, it's body is somewhat lighter and somewhat thinner. Both of these phones come with the same Android 11 operating system, so you shouldn't perceive any differences regarding that.
The Galaxy S10 features just a bit better screen than Samsung Galaxy M21, because although it has a little bit smaller screen, it also counts with a better resolution of 1440 x 3040 pixels and more pixels per inch in the display. Samsung Galaxy S10 has a little better processing power than Galaxy M21, and although they both have a Octa-Core processor, the Samsung Galaxy S10 also has 4 GB more RAM memory.
The Samsung Galaxy M21 shoots better pictures and videos than Samsung Galaxy S10, because although it has slower 30 fps video frame rate and a way smaller diafragm aperture which is worse for low light photos and videos, and they both have the same 3840x2160 (4K) video resolution, the Samsung Galaxy M21 also counts with a much higher 48 megapixels resolution back facing camera and a much bigger sensor taking much higher quality photographs and videos.
Galaxy S10 counts with a much bigger storage to store more apps and games than Galaxy M21, and although they both have an external memory slot that holds up to 512 GB, the Galaxy S10 also has 64 GB more internal storage. Galaxy M21 has a much longer battery performance than Galaxy S10, because it has a 76 percent bigger battery size.
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