Compare phones
| Global Score | |
| 73.1 | 90.9 |
| Basic Information | |
| Samsung | Huawei |
| Android 9.0 Pie, 8.0 Oreo | Android 10 |
| 2018-07-13 | 2020-10-22 |
| 6.03 x 3.00 x 0.34 inches | 6.41 x 2.97 x 0.36 inches |
| 6.38 ounces | 7.48 ounces |
| Blue | Black and Mystic silver |
| -- | Aluminum and Glass |
| Scratch-Resistant Glass | -- |
| $ 107.00 | -- |
| Display / Screen | |
| 5.5 inches | 6.8 inches |
| 1280 x 720 pixels (HD) | 2772 x 1334 pixels |
| TFT | OLED |
| 267 pixels per inch | 452 pixels per inch |
| No touch screen | No touch screen |
| 7.1 | 8.5 |
| Performance | |
| Samsung Exynos 7 Octa 7870 chipset | HiSilicon Kirin 9000 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Arm Cortex-A77 and Arm Cortex-A55, 64-bit, 5 nm (Octa-Core 3130 MHz) processor |
| 2 GB RAM | 8 GB RAM |
| Mali-T830 MP1 GPU | Mali G78 MP24 GPU |
| 8.73 | 9.81 |
| Storage | |
| 32 GB internal memory | 256 GB internal memory |
| microSDXC (up to 400 GB) external memory slot | No SD card slot |
| 9.44 | 13.3 |
| Camera | |
| 13.00 MP + 13.00 MP | 50.00 MP + 13.00 MP |
| f/1.70 aperture | f/1.90 aperture |
| 28.00mm focal length | 23.00mm focal length |
| 0.33 inches (1/3.06") sensor | 0.78 inches (1/1.28") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| -- | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 9.13 | 12.43 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.6 | 10.7 |
| Battery Life | |
| 3300mAh Li - Polymer Battery | 4400mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.28 | 6.24 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.2 |
| 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 |
| -- | FM Radio |
Comparison review
Huawei Mate 40 Pro is much better than Samsung Galaxy J7 Star, with a 90.9 score against 73.1. Even though the Huawei Mate 40 Pro is way newer than Samsung Galaxy J7 Star, it is just a little bit thicker and heavier. Both of these devices have Android operating system, but the Huawei Mate 40 Pro has the previous 10 version while Samsung Galaxy J7 Star has Android 9.0 Pie version.
Huawei Mate 40 Pro features a greater hardware performance than Galaxy J7 Star, and although they both have the same number of cores, the Huawei Mate 40 Pro also has a larger amount of RAM memory. The Huawei Mate 40 Pro features a much better screen than Samsung Galaxy J7 Star, because it has a larger display, a lot greater pixel density and a lot better 1334 x 2772 resolution.
Huawei Mate 40 Pro features a lot bigger memory capacity for games and applications than Galaxy J7 Star, because although it has no slot for an external memory card, it also counts with 256 GB internal storage capacity. Huawei Mate 40 Pro features better battery duration than Samsung Galaxy J7 Star, because it has a 33% greater battery capacity.
Huawei Mate 40 Pro shoots a lot better photos and videos than Samsung Galaxy J7 Star, because although it has a smaller aperture which is not recommended for taking pictures or video in low light environments, it also counts with a back camera with a much better 50 mega pixels resolution, a lot better video resolution and a way bigger back camera sensor shooting lot better quality pictures and videos.
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