Compare phones
| Global Score | |
| 73.1 | 83.3 |
| Basic Information | |
| Samsung | Samsung |
| Android 9.0 Pie, 8.0 Oreo | Android 11, 9.0 Pie |
| 2018-07-13 | 2019-09-29 |
| 6.03 x 3.00 x 0.34 inches | 6.26 x 2.96 x 0.35 inches |
| 6.38 ounces | 6.63 ounces |
| Blue | Black, Blue and White |
| -- | Plastic |
| Scratch-Resistant Glass | -- |
| $ 107.00 | -- |
| Display / Screen | |
| 5.5 inches | 6.4 inches |
| 1280 x 720 pixels (HD) | 2340 x 1080 pixels |
| TFT | Super AMOLED |
| 267 pixels per inch | 403 pixels per inch |
| No touch screen | No touch screen |
| 7.1 | 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 |
| 2 GB RAM | 4 GB RAM |
| Mali-T830 MP1 GPU | Mali-G72 MP3 GPU |
| 8.73 | 9.27 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 400 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 9.44 | 11.74 |
| Camera | |
| 13.00 MP + 13.00 MP | 48.00 MP + 16.00 MP |
| f/1.70 aperture | f/2.00 aperture |
| 28.00mm focal length | 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 |
| 9.13 | 11.44 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.6 | 6.7 |
| Battery Life | |
| 3300mAh Li - Polymer Battery | 6000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 7.52 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Galaxy M30s has a general score of 83.3, which is much better than Samsung Galaxy J7 Star's 73.1 overall score. The Galaxy M30s is a newer phone than the Samsung Galaxy J7 Star, but it's just a bit thicker and a little bit heavier. Both phones in this comparison have Android OS, but Galaxy M30s has the older 11 version and Samsung Galaxy J7 Star has Android 9.0 Pie version.
Galaxy M30s has a better display than Samsung Galaxy J7 Star, because it has way more pixels per display inch, a way higher resolution of 1080 x 2340px and a bigger display. Samsung Galaxy M30s counts with a bit better processing unit than Samsung Galaxy J7 Star, and although they both have 8 processing cores, the Samsung Galaxy M30s also has 2 GB more RAM.
Galaxy M30s has a much bigger storage to install applications and games than Samsung Galaxy J7 Star, because it has more internal memory capacity and an external memory card slot that allows a maximum of 512 GB. The Galaxy M30s features a much longer battery lifetime than Galaxy J7 Star, because it has an 82 percent bigger battery size.
The Samsung Galaxy M30s takes way better pictures and videos than Galaxy J7 Star, because although it has a smaller camera aperture which is not so good for capturing photos or video in low light situations, it also counts with a way higher video resolution, a back camera with a way better resolution and a much larger sensor which gives a lot better image and video quality.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.