Compare phones
| Global Score | |
| 82.4 | 91.8 |
| Basic Information | |
| Samsung | Samsung |
| Android 9.0 Pie, 8.1 Oreo | Android 11 |
| 2019-03-07 | 2021-01-29 |
| 6.26 x 2.96 x 0.33 inches | 5.97 x 2.80 x 0.31 inches |
| 6.14 ounces | 6.03 ounces |
| Black and Blue | Gray, Phantom pink, Violet and White |
| Plastic | Aluminum and Plastic |
| -- | Scratch-Resistant Glass |
| -- | $ 722.00 |
| Display / Screen | |
| 6.4 inches | 6.2 inches |
| 2280 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | Dynamic AMOLED |
| 394 pixels per inch | 424 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 8 | 9.2 |
| Performance | |
| Samsung Exynos 7 Octa 7904 chipset | Qualcomm Snapdragon 888 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 6 GB RAM | 8 GB RAM |
| Mali-G71 MP2 GPU | Adreno 660 GPU |
| 9 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 14.14 | 10.1 |
| Camera | |
| 13.00 MP + 16.00 MP | 12.00 MP + 10.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 27.00mm focal length | 26.00mm focal length |
| 0.32 inches (1/3.1") sensor | 0.57 inches (1/1.76") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (24 fps) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 9.13 | 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 | |
| 5000mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.8 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Samsung Galaxy S21 has a global score of 91.8, which is much better than Samsung Galaxy M30's 82.4 global score. Samsung Galaxy S21 is a newer phone, and it is also a little thinner and a little bit lighter than the Samsung Galaxy M30. Both devices we are comparing come with Android OS (Operating System), but the Samsung Galaxy S21 has the previous 11 version and Samsung Galaxy M30 has Android 9.0 Pie.
The Galaxy S21 features a much better screen than Samsung Galaxy M30, because although it has a little smaller display, it also counts with a little bit greater screen pixels density and a slightly higher 1080 x 2400px resolution. Galaxy M30 features much more memory to install games and applications than Samsung Galaxy S21, and although they both have exactly the same 128 GB internal memory, the Galaxy M30 also has a SD memory slot that allows a maximum of 512 GB.
Galaxy S21 features a bit better processor than Galaxy M30, and although they both have 8 cpu cores, the Galaxy S21 also has a greater amount of RAM. The Galaxy S21 takes better pictures and videos than Galaxy M30, because although it has a less MP resolution back camera, it also counts with a bigger aperture, a much larger sensor capturing way higher quality videos and photos and a lot higher video resolution.
The Galaxy M30 features longer battery lifetime than Galaxy S21, because it has 5000mAh of battery capacity.
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