Compare phones
| Global Score | |
| 76.1 | 83.3 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | Android 11, 9.0 Pie |
| 2020-06-29 | 2019-09-29 |
| 6.61 x 3.02 x 0.32 inches | 6.26 x 2.96 x 0.35 inches |
| 6.81 ounces | 6.63 ounces |
| Black | Black, Blue and White |
| Plastic and Plastic | Plastic |
| $ 194.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.4 inches |
| 1600 x 720 pixels | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 270 pixels per inch | 403 pixels per inch |
| No touch screen | No touch screen |
| 7.3 | 8.1 |
| Performance | |
| Mediatek Helio P35 chipset | Samsung Exynos 9611 chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| PowerVR GE8320 GPU | Mali-G72 MP3 GPU |
| 9.27 | 9.27 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 9.84 | 11.74 |
| Camera | |
| 16.00 MP + 13.00 MP | 48.00 MP + 16.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| -- | 12.00mm focal length |
| 0.33 inches (1/3.06") sensor | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (240 fps) (HD) slow motion video |
| 9.35 | 11.44 |
| 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 | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 6000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 7.52 |
| 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
The Galaxy M30s is a bit better than the Samsung Galaxy A21, getting an 83.3 score against 76.1. Galaxy M30s is an older and a little bit thicker phone than Samsung Galaxy A21, but Samsung managed to make it just a little bit lighter anyway. Both of these phones have Android OS (Operating System), but the Galaxy M30s has newer 11 version and Samsung Galaxy A21 has Android 10 version, so it provides some nice extra features and performance improvements.
Galaxy M30s and Samsung Galaxy A21 both have quite similar processors, and although the Galaxy M30s has a greater amount of RAM, they both have the same number of cores. The Samsung Galaxy M30s counts with a sharper screen than Galaxy A21, because although it has a little bit smaller display, it also counts with a way better resolution of 1080 x 2340px and a better number of pixels per inch in the screen.
Galaxy M30s has a quite bigger memory to store more games and applications than Galaxy A21, and although they both have a slot for SD memory cards that allows a maximum of 512 GB, the Galaxy M30s also has 64 GB internal storage capacity. Galaxy M30s has a much better battery duration than Galaxy A21, because it has a 6000mAh battery size against 4000mAh.
Samsung Galaxy M30s shoots a lot better photographs and videos than Samsung Galaxy A21, because although it has a tinier aperture which is not good for taking images and videos in poorly lited situations, it also counts with a lot better (4K) video resolution, a way larger camera sensor providing a lot better image quality and a lot higher 48 mega-pixels resolution camera.
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