Compare phones
| Global Score | |
| 84.1 | 88.3 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 11, 10, 9.0 Pie |
| 2020-03-23 | 2019-03-08 |
| 6.26 x 2.96 x 0.35 inches | 5.90 x 2.77 x 0.31 inches |
| 6.63 ounces | 5.54 ounces |
| Midnight blue and Raven black | Flamingo pink, Prism black, Prism blue, Prism green and Prism white |
| Plastic and Plastic | Aluminum and Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 281.00 |
| Display / Screen | |
| 6.4 inches | 6.1 inches |
| 2340 x 1080 pixels | 3040 x 1440 pixels |
| Super AMOLED | Dynamic AMOLED |
| 403 pixels per inch | 551 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8.9 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 855 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| Mali-G72 MP3 GPU | Adreno 640 GPU |
| 9.27 | 9.63 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 11.74 | 14.14 |
| Camera | |
| 48.00 MP + 20.00 MP | 12.00 MP + 10.00 MP |
| f/2.00 aperture | f/1.50 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.39 inches (1/2.55") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 11.55 | 10.23 |
| 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 | |
| 6000mAh Li - Polymer Battery | 3400mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 7.52 | 5.36 |
| 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
The Galaxy S10 is slightly better than Galaxy M21, with a global score of 88.3 against 84.1. These phones work with the same Android 11 operating system. Galaxy S10's design is thinner and somewhat lighter than the Galaxy M21, although it was released about a year before. The Samsung Galaxy S10 features a little bit better processing power than Samsung Galaxy M21, and although they both have the same number of cores, the Samsung Galaxy S10 also has a greater amount of RAM memory.
The Samsung Galaxy S10 features a bit more vivid display than Galaxy M21, because although it has a quite smaller screen, it also counts with a greater screen density and a higher 1440 x 3040 pixels resolution. The Galaxy M21 counts with a superior camera than Galaxy S10, because although it has slower 30 fps video frame rates and a much tinier diafragm aperture which is not recommended for taking pictures or video in low light situations, and they both have the same video definition, the Galaxy M21 also counts with a lot larger back camera sensor which gives a way higher image and video quality and a much higher 48 MP resolution back facing camera.
Samsung Galaxy S10 counts with a much bigger memory capacity to install games and applications than Galaxy M21, and although they both have an external memory card slot that holds a maximum of 512 GB, the Samsung Galaxy S10 also has 64 GB more internal storage. Galaxy M21 has a way better battery lifetime than Samsung Galaxy S10, because it has 6000mAh of battery capacity.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.