Compare phones
| Global Score | |
| 73.1 | 82.2 |
| Basic Information | |
| Samsung | Sony |
| Android 9.0 Pie, 8.0 Oreo | -- |
| 2018-07-13 | 2018-07-30 |
| 6.03 x 3.00 x 0.34 inches | 6.22 x 3.15 x 0.47 inches |
| 6.38 ounces | 8.32 ounces |
| Blue | 16 777 216 |
| -- | Aluminum and Glass |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 107.00 | $ 1000.00 |
| Display / Screen | |
| 5.5 inches | 5.8 inches |
| 1280 x 720 pixels (HD) | 3840 x 2160 pixels (4K) |
| TFT | IPS LCD |
| 267 pixels per inch | 760 pixels per inch |
| -- | 900 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.1 | 10.4 |
| Performance | |
| Samsung Exynos 7 Octa 7870 chipset | Qualcomm Snapdragon 845 SDM845 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor |
| 2 GB RAM | 6 GB RAM |
| Mali-T830 MP1 GPU | Adreno 630 GPU |
| 8.73 | 9.63 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 400 GB) external memory slot | microSDXC (up to 400 GB) external memory slot |
| 9.44 | 11.34 |
| Camera | |
| 13.00 MP + 13.00 MP | 19.00 MP + 13.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 28.00mm focal length | 25.00mm focal length |
| 0.33 inches (1/3.06") sensor | 0.43 inches (1/2.3") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 9.13 | 10.45 |
| 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, Dual SIM |
| 6.6 | 6.7 |
| Battery Life | |
| 3300mAh Li - Polymer Battery | 3540mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.28 | 5.52 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Xperia XZ2 Premium has a score of 82.2, which is much better than Galaxy J7 Star's global score of 73.1. The Xperia XZ2 Premium is a way heavier and incredibly thicker phone than the Galaxy J7 Star. The Sony Xperia XZ2 Premium counts with a better hardware performance than Galaxy J7 Star, and although they both have 8 cpu cores, the Sony Xperia XZ2 Premium also has a greater amount of RAM memory.
The Xperia XZ2 Premium has a much better screen than Samsung Galaxy J7 Star, because it has a way higher 2160 x 3840 resolution, a little bigger screen and a much higher amount of pixels per display inch. The Xperia XZ2 Premium shoots much better photos and videos than Samsung Galaxy J7 Star, because although it has a smaller camera aperture which is not favorable for shooting images or videos in poorly lited situations, it also counts with a way larger sensor providing a way higher image quality, a back-facing camera with a lot higher resolution and a lot higher 3840x2160 video definition.
The Sony Xperia XZ2 Premium has a lot bigger storage capacity to store more apps and games than Galaxy J7 Star, and although they both have a SD card slot that supports up to 400 GB, the Sony Xperia XZ2 Premium also has 64 GB internal storage. The Xperia XZ2 Premium counts with just a little better battery lifetime than Samsung Galaxy J7 Star, because it has 3540mAh of battery capacity.
Although Xperia XZ2 Premium 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 want that extra specs, you can buy Xperia XZ2 Premium, otherwise you can save some money and buy the Samsung Galaxy J7 Star, giving up some features and specifications.
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