| Global Score | |
| 79.1 | 87.4 |
| Basic Information | |
| Sony | Samsung |
| -- | Android 5.0 |
| 2018-04-05 | 2015-04-11 |
| 6.02 x 2.83 x 0.44 inches | 5.65 x 2.78 x 0.27 inches |
| 6.98 ounces | 4.87 ounces |
| Black, Green, Pink and Silver | Black, Blue, Gold and White |
| Aluminum and Glass | Aluminium and Glass |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 252.00 |
| Display / Screen | |
| 5.7 inches | 5.1 inches |
| 2160 x 1080 pixels | 1440 x 2560 pixels (Quad HD / 2K) |
| IPS LCD | Super AMOLED |
| 424 pixels per inch | 576 pixels per inch |
| 700 cd/m2 brightness | -- |
| No touch screen | Capacitive, Multi-touch |
| 8.8 | 9.9 |
| Performance | |
| Qualcomm Snapdragon 845 SDM845 chipset | Exynos 7 Octa 7420 chipset |
| Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor | 64-bit ARM Cortex-A57 (Quad-Core 2100 MHz + Quad-Core 1500 MHz) processor |
| 4 GB RAM | 3 GB (1600 MHz) RAM |
| Adreno 630 GPU | Mali-T760 MP8 (650 MHz) GPU |
| 9.54 | 10.08 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 400 GB) external memory slot | No SD card slot |
| 11.34 | 10.1 |
| Camera | |
| 19.00 MP + 5.00 MP | 16.00 MP + 5.00 MP |
| f/2.00 aperture | f/1.90 aperture |
| 25.00mm focal length | 28.00mm focal length |
| 0.43 inches (1/2.3") sensor | 0.38 inches (1/2.6") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (960 fps) (Full HD) slow motion video | -- |
| 10.67 | 10.01 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA, HSUPA, UMTS, EDGE, GPRS and GSM |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3180mAh Li - Polymer Battery | 2550mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 5.2 | 4.56 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.1 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Samsung Galaxy S6 has an overall score of 87.4, which is much better than the Xperia XZ2's 79.1 global score. Despite of the fact that the Samsung Galaxy S6 is way older than Xperia XZ2, it's body is way thinner and incredibly lighter. Galaxy S6 has a little faster processor than Sony Xperia XZ2, because although it has 1 GB lesser RAM, and they both have 8 CPU cores, the Galaxy S6 also counts with a graphics co-processor and a 64 bits processing unit.
Samsung Galaxy S6 features a much better display than Xperia XZ2, because although it has a little bit smaller display, it also counts with a higher amount of pixels per inch in the display and a higher resolution of 2560 x 1440. Sony Xperia XZ2 has just a bit better camera than Galaxy S6, because although it has a smaller diafragm aperture which is not good for low-light photos, and they both have the same (4K) video definition, the Sony Xperia XZ2 also counts with a bigger back-facing camera sensor capturing more light and vivid colors, faster video frame rate and a camera with a better 19 mega-pixels resolution.
The Xperia XZ2 has more memory to install games and applications than Galaxy S6, because although it has 0 less internal storage capacity, it also counts with an external memory slot that allows up to 400 GB. Xperia XZ2 counts with longer battery duration than Samsung Galaxy S6, because it has 3180mAh of battery capacity.
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