| Global Score | |
| 77.6 | 87.4 |
| Basic Information | |
| Sony | Samsung |
| Android 5.1 | Android 5.0 |
| 2015-09-02 | 2015-04-11 |
| 5.75 x 2.83 x 0.29 inches | 5.65 x 2.78 x 0.27 inches |
| 5.43 ounces | 4.87 ounces |
| Black, Gold, Green and White | Black, Blue, Gold and White |
| Glass and Metal | Aluminium and Glass |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 409.00 | $ 252.00 |
| Display / Screen | |
| 5.2 inches | 5.1 inches |
| 1080 x 1920 pixels (Full HD) | 1440 x 2560 pixels (Quad HD / 2K) |
| IPS LCD | Super AMOLED |
| 424 pixels per inch | 576 pixels per inch |
| Capacitive, Multi-touch | Capacitive, Multi-touch |
| 9.1 | 9.9 |
| Performance | |
| Qualcomm Snapdragon 810 MSM8994 chipset | Exynos 7 Octa 7420 chipset |
| ARM Cortex-A57 and ARM Cortex-A53, 64-bit (Octa-Core 2000 MHz) processor | 64-bit ARM Cortex-A57 (Quad-Core 2100 MHz + Quad-Core 1500 MHz) processor |
| 3 GB (1600 MHz) RAM | 3 GB (1600 MHz) RAM |
| Adreno 430 (450 MHz) GPU | Mali-T760 MP8 (650 MHz) GPU |
| 9.36 | 10.08 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSD, microSDHC, microSDXC (up to 200 GB) external memory slot | No SD card slot |
| 8.56 | 10.1 |
| Camera | |
| 23.00 MP + 5.00 MP | 16.00 MP + 5.00 MP |
| f/1.80 aperture | f/1.90 aperture |
| 24.00mm focal length | 28.00mm focal length |
| 0.43 inches (1/2.3") sensor | 0.38 inches (1/2.6") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (60 fps) (HD) slow motion video | -- |
| 10.56 | 10.01 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA, HSUPA, UMTS, EDGE, GPRS and GSM |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 7.1 | 6.7 |
| Battery Life | |
| 2900mAh Li-Ion Battery | 2550mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 520 hours standby time 13.2 hours talk time | -- |
| 4.88 | 4.56 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 4.1 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| -- | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Galaxy S6 is better than Sony Xperia Z5, getting a overall score of 87.4 against 77.6. These phones include Android OS (operating system), but Galaxy S6 has the older 5.0 version while Sony Xperia Z5 has Android 5.1 version. Even though the Galaxy S6 and the Sony Xperia Z5 were released with only 5 months difference, the Galaxy S6 is just a bit thinner and somewhat lighter.
Galaxy S6 features just a little better processing power than Sony Xperia Z5, and although they both have 8 cores and 3 GB of RAM, the Galaxy S6 also has a 64-bit processing unit and a better graphics processing unit working at 650 MHz. The Galaxy S6 features just a bit better looking display than Sony Xperia Z5, because although it has a quite smaller screen, it also counts with a higher resolution of 2560 x 1440 and more pixels per display inch.
Xperia Z5 captures clearer photos and videos than Samsung Galaxy S6, and although they both have the same video resolution and the same 30 frames per second video frame rates, the Xperia Z5 also has a bigger diafragm aperture to take better captures in low light situations, a back-facing camera with a lot higher resolution and a bigger sensor taking higher quality photographs.
The Galaxy S6 counts with a better memory capacity to install games and applications than Xperia Z5, because although it has no SD memory slot, it also counts with 96 GB more internal memory. Xperia Z5 features just a little better battery duration than Samsung Galaxy S6, because it has a 14 percent larger battery capacity.
Even being the best phone in our comparison, the Samsung Galaxy S6 is also a bargain compared to others.
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