Compare phones
| Global Score | |
| 73.1 | 79.8 |
| Basic Information | |
| Samsung | Sony |
| Android 9.0 Pie, 8.0 Oreo | -- |
| 2018-07-13 | 2017-06-01 |
| 6.03 x 3.00 x 0.34 inches | 6.14 x 3.03 x 0.31 inches |
| 6.38 ounces | 6.74 ounces |
| Blue | Black, Pink, Red and Silver |
| -- | Aluminum and Glass |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 107.00 | -- |
| Display / Screen | |
| 5.5 inches | 5.5 inches |
| 1280 x 720 pixels (HD) | 3840 x 2160 pixels (4K) |
| TFT | IPS LCD |
| 267 pixels per inch | 801 pixels per inch |
| -- | 700 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.1 | 10.3 |
| Performance | |
| Samsung Exynos 7 Octa 7870 chipset | Qualcomm Snapdragon 835 MSM8998 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Kryo 280, 64-bit, 10 nm (Octa-Core 2450 MHz) processor |
| 2 GB RAM | 4 GB RAM |
| Mali-T830 MP1 GPU | Adreno 540 GPU |
| 8.73 | 9.36 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 400 GB) external memory slot | microSDXC (up to 256 GB) external memory slot |
| 9.44 | 10.78 |
| Camera | |
| 13.00 MP + 13.00 MP | 19.00 MP + 13.00 MP |
| f/1.70 aperture | f/2.00 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 |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 9.13 | 10.34 |
| 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 | 3230mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 5.2 |
| 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 XZ Premium is a little bit better than the Samsung Galaxy J7 Star, getting a 79.8 score against 73.1. The Xperia XZ Premium is an older and just a little bit heavier phone than Samsung Galaxy J7 Star, but Sony managed to build it just a little bit thinner anyway. The Sony Xperia XZ Premium has a bit more powerful processing unit than Galaxy J7 Star, and although they both have the same number of cores, the Sony Xperia XZ Premium also has a higher amount of RAM memory.
Xperia XZ Premium features a much better display than Samsung Galaxy J7 Star, and although they both have a same size screen, the Xperia XZ Premium also has a lot better 2160 x 3840 pixels resolution and a way greater pixels amount per display inch. The Sony Xperia XZ Premium captures much clearer pictures and videos than Samsung Galaxy J7 Star, because although it has a tinier diafragm aperture which is not nice for capturing photographs or videos in poorly lited environments, it also counts with a camera with a much higher resolution, a much larger back-facing camera sensor taking lot higher quality photographs and a much better video definition.
The Xperia XZ Premium features a quite bigger memory capacity to install applications and games or saving photos and videos than Galaxy J7 Star, because although it has a SD memory slot that supports a maximum of 256 GB against 400 GB, it also counts with 64 GB internal storage. The Galaxy J7 Star counts with just a little bit longer battery duration than Sony Xperia XZ Premium, because it has a 3300mAh battery capacity against 3230mAh.
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