Compare phones
| Global Score | |
| 73.5 | 83.3 |
| Basic Information | |
| Samsung | Samsung |
| Android 9.0 Pie, 7.0 Nougat | Android 11, 9.0 Pie |
| 2017-07-01 | 2019-09-29 |
| 6.00 x 2.94 x 0.31 inches | 6.26 x 2.96 x 0.35 inches |
| 6.38 ounces | 6.63 ounces |
| Black, Gold, Rose gold and Silver | Black, Blue and White |
| Aluminum | Plastic |
| Display / Screen | |
| 5.5 inches | 6.4 inches |
| 1920 x 1080 pixels (Full HD) | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 401 pixels per inch | 403 pixels per inch |
| No touch screen | No touch screen |
| 7.9 | 8.1 |
| Performance | |
| Samsung Exynos 7 Octa 7870 chipset | Samsung Exynos 9611 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| Mali-T830 MP2 GPU | Mali-G72 MP3 GPU |
| 8.73 | 9.27 |
| Storage | |
| 16 GB internal memory | 64 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 7.48 | 11.74 |
| Camera | |
| 13.00 MP + 13.00 MP | 48.00 MP + 16.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| -- | 12.00mm focal length |
| -- | 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 |
| 9.02 | 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, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3600mAh Battery | 6000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.6 | 7.52 |
| Other Features | |
| Bluetooth 4.1 | 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 is better than the Galaxy J7 (2017), with a score of 83.3 against 73.5. The Samsung Galaxy M30s is a a lot newer phone than the Galaxy J7 (2017), but it is somewhat thicker and just a bit heavier. Both devices in this review work with Android OS, but the Samsung Galaxy M30s has the older 11 version and Galaxy J7 (2017) has Android 9.0 Pie version.
The Galaxy M30s counts with a little bit better display than Galaxy J7 (2017), because it has a just a little better pixels quantity in each screen inch, a slightly better resolution of 1080 x 2340 pixels and a bigger screen. The Galaxy M30s has a bit faster CPU than Samsung Galaxy J7 (2017), and although they both have a Octa-Core CPU, the Galaxy M30s also has more RAM.
The Galaxy M30s counts with a much better memory capacity to install games and applications than Galaxy J7 (2017), because it has a slot for SD memory cards that admits a maximum of 512 GB and 64 GB internal storage. The Galaxy M30s features a much better battery lifetime than Samsung Galaxy J7 (2017), because it has 6000mAh of battery capacity.
The Galaxy M30s has a lot better camera than Galaxy J7 (2017), because although it has a smaller diafragm aperture which is not good for low light photography and video, it also counts with a camera with a much better 48 mega pixels resolution and a way higher 3840x2160 (4K) video resolution.
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