Compare phones
| Global Score | |
| 73.1 | 84 |
| Basic Information | |
| Samsung | Huawei |
| Android 9.0 Pie, 8.0 Oreo | Android 10 |
| 2018-07-13 | 2019-09-20 |
| 6.03 x 3.00 x 0.34 inches | 6.33 x 3.00 x 0.33 inches |
| 6.38 ounces | 6.91 ounces |
| Blue | Black, Cosmic purple, Emerald green and Space silver |
| -- | Aluminum and Glass |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 107.00 | -- |
| Display / Screen | |
| 5.5 inches | 6.6 inches |
| 1280 x 720 pixels (HD) | 2340 x 1080 pixels |
| TFT | OLED |
| 267 pixels per inch | 390 pixels per inch |
| No touch screen | No touch screen |
| 7.1 | 8.1 |
| Performance | |
| Samsung Exynos 7 Octa 7870 chipset | HiSilicon Kirin 990 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | ARM Cortex-A76 and ARM Cortex-A55, 64-bit, 7 nm (Octa-Core 2860 MHz) processor |
| 2 GB RAM | 8 GB RAM |
| Mali-T830 MP1 GPU | Mali-G76 MP16 GPU |
| 8.73 | 9.63 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 400 GB) external memory slot | No SD card slot |
| 9.44 | 10.1 |
| Camera | |
| 13.00 MP + 13.00 MP | 40.00 MP + 24.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 28.00mm focal length | 27.00mm focal length |
| 0.33 inches (1/3.06") sensor | 0.67 inches (1/1.5") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 9.13 | 11.99 |
| 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 |
| 6.6 | 6.7 |
| Battery Life | |
| 3300mAh Li - Polymer Battery | 4200mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.28 | 6.08 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.1 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Huawei Mate 30 is much better than Samsung Galaxy J7 Star, with an 84 score against 73.1. The Huawei Mate 30 is a newer and a bit thinner phone than the Samsung Galaxy J7 Star, but it's also a little bit heavier. Both phones in this review work with Android OS (operating system), but the Huawei Mate 30 has an older 10 version while Samsung Galaxy J7 Star has Android 9.0 Pie version.
The Huawei Mate 30 has a sharper display than Galaxy J7 Star, because it has a higher pixels density, a much higher 1080 x 2340 resolution and a bigger display. The Huawei Mate 30 counts with a better hardware performance than Galaxy J7 Star, and although they both have a Octa-Core processor, the Huawei Mate 30 also has more RAM.
Huawei Mate 30 captures much better photos and videos than Galaxy J7 Star, because although it has a smaller aperture, it also counts with a lot higher (4K) video resolution, a lot better resolution back-facing camera and a way bigger sensor capturing more light and vivid colors. Huawei Mate 30 counts with a little bit better memory for games and applications than Galaxy J7 Star, because although it has no SD memory slot, it also counts with 128 GB internal memory.
The Huawei Mate 30 has longer battery lifetime than Galaxy J7 Star, because it has a 4200mAh battery capacity instead of 3300mAh.
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