Compare phones
| Global Score | |
| 74.6 | 83.3 |
| Basic Information | |
| Samsung | Samsung |
| Android 8.0 Oreo | Android 11, 9.0 Pie |
| -- | 2019-09-29 |
| 6.04 x 3.04 x 0.32 inches | 6.26 x 2.96 x 0.35 inches |
| 6.14 ounces | 6.63 ounces |
| 16 777 216 | Black, Blue and White |
| Plastic | Plastic |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 5.5 inches | 6.4 inches |
| 1280 x 720 pixels (HD) | 2340 x 1080 pixels |
| Super AMOLED | 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 |
| 4 GB RAM | 4 GB RAM |
| ARM Mali-G71 GPU | Mali-G72 MP3 GPU |
| 8.82 | 9.27 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.88 | 11.74 |
| Camera | |
| 13.00 MP + 8.00 MP | 48.00 MP + 16.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| 27.00mm 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 |
| 9.02 | 11.44 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Micro SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.1 | 6.7 |
| Battery Life | |
| 3000mAh Battery | 6000mAh Battery |
| Removable Battery | Non-Removable Battery |
| 4.96 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Galaxy M30s is better than Samsung Galaxy J7 Duo, having an 83.3 score against 74.6. Both of these phones come with Android OS (operating system), but the Galaxy M30s has 11 version and Samsung Galaxy J7 Duo has Android 8.0 Oreo. The Galaxy M30s construction is just a little bit heavier and a bit thicker than the Samsung Galaxy J7 Duo.
The Samsung Galaxy M30s counts with a much better looking display than Samsung Galaxy J7 Duo, because it has a bigger screen, a way better resolution of 1080 x 2340px and a much higher pixel amount per inch of screen. Samsung Galaxy M30s has a bit more powerful processing unit than Galaxy J7 Duo. Both have 4 GB of RAM memory and the same number of cores.
Samsung Galaxy M30s features a much greater memory capacity to install applications and games or saving photos and videos than Galaxy J7 Duo, because it has 64 GB internal memory capacity and a SD card slot that supports a maximum of 512 GB. Galaxy M30s counts with a very superior battery performance than Galaxy J7 Duo, because it has 6000mAh of battery capacity.
The Samsung Galaxy M30s shoots a lot better photos and videos than Galaxy J7 Duo, because although it has a smaller camera aperture, it also counts with a back-facing camera with lot more megapixels, a lot bigger back-facing camera sensor which offers a much higher image and video quality and a much better video definition.
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