Compare phones
| Global Score | |
| 73.1 | 76 |
| Basic Information | |
| Samsung | OnePlus |
| Android 9.0 Pie, 8.0 Oreo | Android 11 |
| 2018-07-13 | 2021-04-02 |
| 6.03 x 3.00 x 0.34 inches | 6.30 x 2.92 x 0.34 inches |
| 6.38 ounces | 6.77 ounces |
| Blue | Arctic Sky, Astral Black and Winter Mist |
| -- | Aluminum and Glass (Corning Gorilla Glass) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 107.00 | $ 700.00 |
| Display / Screen | |
| 5.5 inches | 6.5 inches |
| 1280 x 720 pixels (HD) | 2400 x 1080 pixels |
| TFT | AMOLED |
| 267 pixels per inch | 405 pixels per inch |
| No touch screen | No touch screen |
| 7.1 | 8.2 |
| Performance | |
| Samsung Exynos 7 Octa 7870 chipset | Qualcomm Snapdragon 888 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 2 GB RAM | 8 GB RAM |
| Mali-T830 MP1 GPU | Adreno 660 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 | 48.00 MP + 16.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 28.00mm focal length | 23.00mm focal length |
| 0.33 inches (1/3.06") sensor | 0.71 inches (1/1.4") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (30 fps) video resolution |
| -- | 1280 x 720 (480 fps) (HD) slow motion video |
| 9.13 | 12.65 |
| 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 | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.28 | 6.32 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The OnePlus 9 is slightly better than Galaxy J7 Star, getting a 76 score against 73.1. OnePlus 9 is a just a bit heavier cellphone than Galaxy J7 Star, but both of them are 0.34inches thick. Both devices we compare here include Android OS (Operating System), but OnePlus 9 has the older 11 version while Galaxy J7 Star has Android 9.0 Pie version.
OnePlus 9 counts with a brighter screen than Samsung Galaxy J7 Star, because it has a bigger display, a way better 1080 x 2400px resolution and a lot greater pixel amount per inch in the screen. OnePlus 9 has a quite better hardware performance than Samsung Galaxy J7 Star, and although they both have a Octa-Core processing unit, the OnePlus 9 also has a higher amount of RAM memory.
The OnePlus 9 has just a bit more memory capacity to store more apps and games than Samsung Galaxy J7 Star, because although it has no SD extension slot, it also counts with 128 GB internal memory. OnePlus 9 has longer battery performance than Samsung Galaxy J7 Star, because it has 4500mAh of battery capacity against 3300mAh.
OnePlus 9 features a way better camera than Galaxy J7 Star, because although it has a tinier camera aperture, it also counts with a back-facing camera with a much better resolution, a much larger sensor which provides a much better photo and video quality and a lot better video definition.
Although OnePlus 9 is a better device, it is way more expensive than the Galaxy J7 Star, and it doesn't have such a good price and quality relation as the Galaxy J7 Star. If you are trying to save a few dollars, you can get the Galaxy J7 Star, letting go a few features and specifications, but you will get the most with your budget.
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