Compare phones
| Global Score | |
| 83.3 | 91.8 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 9.0 Pie | Android 11 |
| 2019-09-29 | 2021-01-29 |
| 6.26 x 2.96 x 0.35 inches | 5.97 x 2.80 x 0.31 inches |
| 6.63 ounces | 6.03 ounces |
| Black, Blue and White | Gray, Phantom pink, Violet and White |
| Plastic | Aluminum and Plastic |
| -- | Scratch-Resistant Glass |
| -- | $ 722.00 |
| Display / Screen | |
| 6.4 inches | 6.2 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | Dynamic AMOLED |
| 403 pixels per inch | 424 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 9.2 |
| Performance | |
| Samsung Exynos 9611 chipset | Qualcomm Snapdragon 888 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| Mali-G72 MP3 GPU | Adreno 660 GPU |
| 9.27 | 9.63 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 10.1 |
| Camera | |
| 48.00 MP + 16.00 MP | 12.00 MP + 10.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 12.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.57 inches (1/1.76") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 11.44 | 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 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 | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Samsung Galaxy S21 is much better than the Samsung Galaxy M30s, with a general score of 91.8 against 83.3. Both of these phones come with the same Android 11 OS. The Samsung Galaxy S21 is a newer phone, and it is also a little bit lighter and thinner than the Samsung Galaxy M30s. The Galaxy S21 counts with a little bit better hardware performance than Galaxy M30s, and although they both have the same number of cores, the Galaxy S21 also has a larger amount of RAM.
The Galaxy S21 counts with a brighter screen than Galaxy M30s, because although it has a bit smaller display, it also counts with a little bit better number of pixels in each inch in the screen and a quite better 1080 x 2400 pixels resolution. Galaxy M30s takes a bit better pictures and videos than Samsung Galaxy S21, because although it has a tinier camera sensor giving a lower image quality and a tinier aperture which is worse for low light images, and they both have the same video definition, the Galaxy M30s also counts with a camera with a much better 48 megapixels resolution and higher 30 frames per second video frame rate.
The Galaxy M30s counts with more memory to install applications and games or saving photos and videos than Galaxy S21, because although it has 0 less internal storage, it also counts with an external memory card slot that supports a maximum of 512 GB. The Galaxy M30s features a much better battery performance than Galaxy S21, because it has a 6000mAh battery capacity.
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