Compare phones
| Global Score | |
| 73.1 | 79.1 |
| Basic Information | |
| Samsung | Sony |
| Android 9.0 Pie, 8.0 Oreo | -- |
| 2018-07-13 | 2018-04-05 |
| 6.03 x 3.00 x 0.34 inches | 6.02 x 2.83 x 0.44 inches |
| 6.38 ounces | 6.98 ounces |
| Blue | Black, Green, Pink and Silver |
| -- | Aluminum and Glass |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 107.00 | -- |
| Display / Screen | |
| 5.5 inches | 5.7 inches |
| 1280 x 720 pixels (HD) | 2160 x 1080 pixels |
| TFT | IPS LCD |
| 267 pixels per inch | 424 pixels per inch |
| -- | 700 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.1 | 8.8 |
| 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 | 4 GB RAM |
| Mali-T830 MP1 GPU | Adreno 630 GPU |
| 8.73 | 9.54 |
| 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 + 5.00 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 (60 fps) (4K) video resolution |
| -- | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 9.13 | 10.67 |
| 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 | 3180mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 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
Xperia XZ2 has a general score of 79.1, which is just a bit better than the Galaxy J7 Star's overall score of 73.1. Despite being the best phone in this review, the Xperia XZ2 construction is incredibly thicker and just a bit heavier than Galaxy J7 Star. The Xperia XZ2 features a much sharper display than Samsung Galaxy J7 Star, because it has a way better amount of pixels per display inch, a much better resolution of 1080 x 2160 and a bit larger screen.
The Xperia XZ2 features a much greater memory capacity to install games and applications than Galaxy J7 Star, and although they both have a slot for SD memory cards that admits a maximum of 400 GB, the Xperia XZ2 also has 64 GB internal memory. The Sony Xperia XZ2 features a bit better processor than Samsung Galaxy J7 Star, and although they both have a Octa-Core CPU, the Sony Xperia XZ2 also has 2 GB more RAM memory.
The Samsung Galaxy J7 Star features just a bit longer battery performance than Sony Xperia XZ2, because it has 3300mAh of battery capacity instead of 3180mAh. Xperia XZ2 counts with a much better camera than Samsung Galaxy J7 Star, because although it has a smaller aperture which is not good for low light captures and video, it also counts with a much better (4K) video quality, a back facing camera with way more megapixels and a way bigger camera sensor shooting lot higher quality photos and videos.
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