Compare phones
| Global Score | |
| 91.8 | 82.4 |
| Basic Information | |
| Samsung | Samsung |
| Android 11 | Android 9.0 Pie, 8.1 Oreo |
| 2021-01-29 | 2019-03-07 |
| 5.97 x 2.80 x 0.31 inches | 6.26 x 2.96 x 0.33 inches |
| 6.03 ounces | 6.14 ounces |
| Gray, Phantom pink, Violet and White | Black and Blue |
| Aluminum and Plastic | Plastic |
| Scratch-Resistant Glass | -- |
| $ 722.00 | -- |
| Display / Screen | |
| 6.2 inches | 6.4 inches |
| 2400 x 1080 pixels | 2280 x 1080 pixels |
| Dynamic AMOLED | Super AMOLED |
| 424 pixels per inch | 394 pixels per inch |
| 1300 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.2 | 8 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Samsung Exynos 7 Octa 7904 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor |
| 8 GB RAM | 6 GB RAM |
| Adreno 660 GPU | Mali-G71 MP2 GPU |
| 9.63 | 9 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 14.14 |
| Camera | |
| 12.00 MP + 10.00 MP | 13.00 MP + 16.00 MP |
| f/1.80 aperture | f/1.90 aperture |
| 26.00mm focal length | 27.00mm focal length |
| 0.57 inches (1/1.76") sensor | 0.32 inches (1/3.1") sensor |
| 7680 x 4320 (24 fps) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | -- |
| 10.78 | 9.13 |
| 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 | 5000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.92 | 6.8 |
| 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, Compass, Gyroscope and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy S21 is better than Samsung Galaxy M30, having a general score of 91.8 against 82.4. These phones include Android operating system, but the Galaxy S21 has 11 version and Samsung Galaxy M30 has Android 9.0 Pie version. The Galaxy S21 construction is newer, just a bit thinner and just a bit lighter than Samsung Galaxy M30.
The Samsung Galaxy S21 counts with a bit more powerful CPU than Galaxy M30, and although they both have 8 processing cores, the Samsung Galaxy S21 also has a higher amount of RAM memory. The Galaxy S21 has a sharper display than Galaxy M30, because although it has a little bit smaller display, it also counts with a slightly higher 1080 x 2400 resolution and a quite greater pixels amount in each inch of screen.
Galaxy S21 counts with a superior camera than Samsung Galaxy M30, because although it has a lower resolution back-facing camera, it also counts with a lot bigger camera sensor taking much better quality videos and photographs, a lot better 7680x4320 video quality and a bigger aperture to capture better photography and videos in low light environments.
The Galaxy M30 has much more storage for games and applications than Samsung Galaxy S21, and although they both have exactly the same internal memory, the Galaxy M30 also has a SD card slot that holds a maximum of 512 GB. The Samsung Galaxy M30 features longer battery life than Galaxy S21, because it has a 5000mAh battery capacity.
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