Compare phones
| Global Score | |
| 72.7 | 83.3 |
| Basic Information | |
| Samsung | Samsung |
| Android 8.0 Oreo | Android 11, 9.0 Pie |
| 2018-06-29 | 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 |
| 16 777 216 | Black, Blue and White |
| -- | Plastic |
| Scratch-Resistant Glass | -- |
| 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 7884 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-A (4G), LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.3 | 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 |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Samsung Galaxy M30s has a score of 83.3, which is better than the Galaxy J7 Refine's 72.7 global score. These phones use Android OS, but Samsung Galaxy M30s has an older 11 version and Galaxy J7 Refine has Android 8.0 Oreo version. Although the Samsung Galaxy M30s is newer than the Galaxy J7 Refine, it's a bit heavier and a bit thicker.
Galaxy M30s features a bit better processing unit than Galaxy J7 Refine, and although they both have a Octa-Core CPU, the Galaxy M30s also has more RAM memory. Galaxy M30s has a much better display than Samsung Galaxy J7 Refine, because it has a bigger screen, a lot higher resolution of 1080 x 2340 and a much higher screen pixel density.
The Galaxy M30s features a much better camera than Samsung Galaxy J7 Refine, because although it has a tinier camera aperture, it also counts with a lot bigger sensor taking more light and vivid colors, a much better 3840x2160 (4K) video quality and a back facing camera with way more megapixels. Galaxy M30s has much more storage capacity for apps and games than Samsung Galaxy J7 Refine, because it has a SD memory slot that allows up to 512 GB and 64 GB internal memory capacity.
The Samsung Galaxy M30s features a superior battery duration than Samsung Galaxy J7 Refine, because it has 6000mAh of battery capacity.
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