Compare phones
| Global Score | |
| 73.5 | 82.4 |
| Basic Information | |
| Samsung | Samsung |
| Android 9.0 Pie, 7.0 Nougat | Android 9.0 Pie, 8.1 Oreo |
| 2017-07-01 | 2019-03-07 |
| 6.00 x 2.94 x 0.31 inches | 6.26 x 2.96 x 0.33 inches |
| 6.38 ounces | 6.14 ounces |
| Black, Gold, Rose gold and Silver | Black and Blue |
| Aluminum | Plastic |
| Display / Screen | |
| 5.5 inches | 6.4 inches |
| 1920 x 1080 pixels (Full HD) | 2280 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 401 pixels per inch | 394 pixels per inch |
| No touch screen | No touch screen |
| 7.9 | 8 |
| Performance | |
| Samsung Exynos 7 Octa 7870 chipset | Samsung Exynos 7 Octa 7904 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| Mali-T830 MP2 GPU | Mali-G71 MP2 GPU |
| 8.73 | 9 |
| Storage | |
| 16 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 7.48 | 14.14 |
| Camera | |
| 13.00 MP + 13.00 MP | 13.00 MP + 16.00 MP |
| f/1.70 aperture | f/1.90 aperture |
| -- | 27.00mm focal length |
| -- | 0.32 inches (1/3.1") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 9.02 | 9.13 |
| 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 | 5000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.6 | 6.8 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy M30 has an overall score of 82.4, which is better than Samsung Galaxy J7 (2017)'s overall score of 73.5. Both of these devices come with the same Android 9.0 Pie OS (operating system), so you shouldn't perceive any differences in that aspect. Galaxy M30's construction is newer and just a bit lighter than Samsung Galaxy J7 (2017)'s, but it is just a little thicker.
The Galaxy M30 counts with a little more vivid screen than Samsung Galaxy J7 (2017), because although it has a quite lower display pixel density, it also counts with a larger screen and a bit higher 1080 x 2280 pixels resolution. Samsung Galaxy M30 counts with a little faster processing unit than Galaxy J7 (2017), and although they both have a Octa-Core processor, the Samsung Galaxy M30 also has 3 GB more RAM.
Galaxy M30 shoots slightly better videos and photos than Galaxy J7 (2017), although it has a tinier diafragm aperture which is worse for low light images and videos, they both have the same video frame rate, the same 1920x1080 (Full HD) video definition and a same resolution back camera. The Galaxy M30 features a much greater storage for games and applications than Galaxy J7 (2017), because it has an external SD slot that supports up to 512 GB and 112 GB more internal memory.
The Galaxy M30 has a superior battery life than Galaxy J7 (2017), because it has a 5000mAh battery capacity against 3600mAh.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.