Compare phones
| Global Score | |
| 73.1 | 76.6 |
| 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 | 6.43 x 2.90 x 0.34 inches |
| 6.38 ounces | 6.95 ounces |
| Blue | Forest Green, Morning Mist and Stellar Black |
| -- | Glass (Corning Gorilla Glass) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 107.00 | $ 890.00 |
| Display / Screen | |
| 5.5 inches | 6.7 inches |
| 1280 x 720 pixels (HD) | 3216 x 1440 pixels |
| TFT | AMOLED |
| 267 pixels per inch | 526 pixels per inch |
| No touch screen | No touch screen |
| 7.1 | 8.8 |
| 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
OnePlus 9 Pro is a bit better than Galaxy J7 Star, getting a 76.6 score against 73.1. These phones work with Android OS, but the OnePlus 9 Pro has the older 11 version and Galaxy J7 Star has Android 9.0 Pie version. OnePlus 9 Pro is a a bit heavier phone than Galaxy J7 Star, but they are equally thin.
OnePlus 9 Pro has a better processor than Galaxy J7 Star, and although they both have the same number of cores, the OnePlus 9 Pro also has more RAM memory. The OnePlus 9 Pro has a much better display than Samsung Galaxy J7 Star, because it has a way higher resolution of 1440 x 3216px, a bigger display and a way greater pixel amount per screen inch.
OnePlus 9 Pro shoots much clearer photos and videos than Samsung Galaxy J7 Star, because although it has a smaller diafragm aperture which is not favorable for taking photos and video in poorly lited situations, it also counts with a camera in the back with a lot higher 48 mega pixels resolution, a way better video definition and a lot bigger back camera sensor capturing lot better quality videos and photographs.
The OnePlus 9 Pro features a bit more storage for applications and games than Samsung Galaxy J7 Star, because although it has no SD extension slot, it also counts with more internal storage. OnePlus 9 Pro has longer battery duration than Samsung Galaxy J7 Star, because it has 4500mAh of battery capacity.
Although OnePlus 9 Pro is a better device, it costs a lot more than Samsung Galaxy J7 Star, and it doesn't have such a good relation between it's price and quality as Samsung Galaxy J7 Star. So if you need that extra specs, you can buy OnePlus 9 Pro, otherwise you can save some money and buy the Samsung Galaxy J7 Star, letting go a couple features and specs.
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