| Global Score | |
| 87.4 | 79.6 |
| Basic Information | |
| Samsung | Sony |
| Android 5.0 | Android 9.0 Pie |
| 2015-04-11 | 2018-10-17 |
| 5.65 x 2.78 x 0.27 inches | 6.22 x 2.87 x 0.39 inches |
| 4.87 ounces | 6.81 ounces |
| Black, Blue, Gold and White | 16 777 216 |
| Aluminium and Glass | Aluminum and Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 252.00 | $ 900.00 |
| Display / Screen | |
| 5.1 inches | 6 inches |
| 1440 x 2560 pixels (Quad HD / 2K) | 2880 x 1440 pixels |
| Super AMOLED | OLED |
| 576 pixels per inch | 537 pixels per inch |
| -- | 550 cd/m2 brightness |
| Capacitive, Multi-touch | No touch screen |
| 9.9 | 9.2 |
| Performance | |
| Exynos 7 Octa 7420 chipset | Qualcomm Snapdragon 845 SDM845 chipset |
| 64-bit ARM Cortex-A57 (Quad-Core 2100 MHz + Quad-Core 1500 MHz) processor | Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor |
| 3 GB (1600 MHz) RAM | 4 GB RAM |
| Mali-T760 MP8 (650 MHz) GPU | Adreno 630 GPU |
| 10.08 | 9.54 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 11.74 |
| Camera | |
| 16.00 MP + 5.00 MP | 19.00 MP + 13.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| 28.00mm focal length | 25.00mm focal length |
| 0.38 inches (1/2.6") sensor | 0.43 inches (1/2.3") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 10.01 | 10.45 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA, HSUPA, UMTS, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 2550mAh Battery | 3330mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 4.56 | 5.28 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.0 |
| 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 |
Galaxy S6 is a little bit better than the Xperia XZ3, having a score of 87.4 against 79.6. Galaxy S6's body is much thinner and way lighter than the Xperia XZ3, even though it was released many years before. These phones have Android OS (Operating System), but the Galaxy S6 has older 5.0 version while Xperia XZ3 has Android 9.0 Pie.
Samsung Galaxy S6 has a bit better display than Xperia XZ3, because although it has a little lower 2560 x 1440 pixels resolution and a little smaller display, it also counts with a bit higher display density. The Galaxy S6 counts with a little better hardware performance than Sony Xperia XZ3, because although it has 1 GB lesser RAM memory, and they both have a Octa-Core processing unit, the Galaxy S6 also counts with a 64-bit processing unit and an additional graphics processing unit.
Xperia XZ3 features just a bit better camera than Galaxy S6, because although it has a smaller aperture, and they both have the same video frame rate and the same 3840x2160 (4K) video resolution, the Xperia XZ3 also counts with a back-facing camera with a better resolution and a bigger camera sensor shooting higher quality photos and videos.
The Xperia XZ3 features more storage to install applications and games or saving photos and videos than Galaxy S6, because although it has less internal storage, it also counts with a SD memory slot that supports a maximum of 512 GB. The Xperia XZ3 has improved battery duration than Galaxy S6, because it has 3330mAh of battery capacity against 2550mAh.
Even being the best phone of the ones we compare here, Galaxy S6 is also a bargain compared to the other devices, making it a great choice.
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