Compare phones
| Global Score | |
| 83.3 | 76.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 9.0 Pie | Android 10 |
| 2019-09-29 | 2020-06-29 |
| 6.26 x 2.96 x 0.35 inches | 6.61 x 3.02 x 0.32 inches |
| 6.63 ounces | 6.81 ounces |
| Black, Blue and White | Black |
| Plastic | Plastic and Plastic |
| -- | $ 194.00 |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2340 x 1080 pixels | 1600 x 720 pixels |
| Super AMOLED | IPS LCD |
| 403 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 7.3 |
| Performance | |
| Samsung Exynos 9611 chipset | Mediatek Helio P35 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 3 GB RAM |
| Mali-G72 MP3 GPU | PowerVR GE8320 GPU |
| 9.27 | 9.27 |
| Storage | |
| 64 GB internal memory | 32 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 11.74 | 9.84 |
| Camera | |
| 48.00 MP + 16.00 MP | 16.00 MP + 13.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 12.00mm focal length | -- |
| 0.5 inches (1/2") sensor | 0.33 inches (1/3.06") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | -- |
| 11.44 | 9.35 |
| 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 Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 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, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Samsung Galaxy M30s has an overall score of 83.3, which is slightly better than the Galaxy A21's general score of 76.1. Samsung Galaxy M30s is an older and a little thicker cellphone than Galaxy A21, but Samsung was able to build it just a little bit lighter anyway. These phones include Android operating system, but Samsung Galaxy M30s has a newer 11 version while Galaxy A21 has Android 10.
The Samsung Galaxy M30s counts with a brighter display than Galaxy A21, because although it has a little bit smaller display, it also counts with a much better resolution of 1080 x 2340px and more pixels per inch in the display. Galaxy A21 counts with a processor that's just as good as the processing unit in Samsung Galaxy M30s, and although the Galaxy A21 has lesser RAM memory, they both have 8 CPU cores.
Samsung Galaxy M30s captures way better photos and videos than Samsung Galaxy A21, because although it has a tinier diafragm aperture which is not good for low-light photography, it also counts with a way better (4K) video definition, a lot higher resolution back facing camera and a lot larger back camera sensor.
The Samsung Galaxy M30s counts with a better memory capacity to install games and applications than Samsung Galaxy A21, and although they both have an external memory slot that allows a maximum of 512 GB, the Samsung Galaxy M30s also has 64 GB internal memory capacity. The Galaxy M30s has a very superior battery lifetime than Samsung Galaxy A21, because it has 6000mAh of battery capacity.
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