| Global Score | |
| 87.4 | 77.6 |
| Basic Information | |
| Samsung | Sony |
| Android 5.0 | Android 5.1 |
| 2015-04-11 | 2015-09-02 |
| 5.65 x 2.78 x 0.27 inches | 5.75 x 2.83 x 0.29 inches |
| 4.87 ounces | 5.43 ounces |
| Black, Blue, Gold and White | Black, Gold, Green and White |
| Aluminium and Glass | Glass and Metal |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 252.00 | $ 409.00 |
| Display / Screen | |
| 5.1 inches | 5.2 inches |
| 1440 x 2560 pixels (Quad HD / 2K) | 1080 x 1920 pixels (Full HD) |
| Super AMOLED | IPS LCD |
| 576 pixels per inch | 424 pixels per inch |
| Capacitive, Multi-touch | Capacitive, Multi-touch |
| 9.9 | 9.1 |
| Performance | |
| Exynos 7 Octa 7420 chipset | Qualcomm Snapdragon 810 MSM8994 chipset |
| 64-bit ARM Cortex-A57 (Quad-Core 2100 MHz + Quad-Core 1500 MHz) processor | ARM Cortex-A57 and ARM Cortex-A53, 64-bit (Octa-Core 2000 MHz) processor |
| 3 GB (1600 MHz) RAM | 3 GB (1600 MHz) RAM |
| Mali-T760 MP8 (650 MHz) GPU | Adreno 430 (450 MHz) GPU |
| 10.08 | 9.36 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| No SD card slot | microSD, microSDHC, microSDXC (up to 200 GB) external memory slot |
| 10.1 | 8.56 |
| Camera | |
| 16.00 MP + 5.00 MP | 23.00 MP + 5.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 28.00mm focal length | 24.00mm 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 |
| -- | 1280 x 720 (60 fps) (HD) slow motion video |
| 10.01 | 10.56 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA, HSUPA, UMTS, EDGE, GPRS and GSM | LTE-A (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 7.1 |
| Battery Life | |
| 2550mAh Battery | 2900mAh Li-Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| -- | 520 hours standby time 13.2 hours talk time |
| 4.56 | 4.88 |
| 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 has an overall score of 87.4, which is much better than the Xperia Z5's general score of 77.6. These phones have Android OS, but Galaxy S6 has 5.0 version and Xperia Z5 has Android 5.1 version. Galaxy S6 is a a little thinner and somewhat lighter phone than Xperia Z5, even though they were only released 5 months apart.
Galaxy S6 has a little better hardware performance than Xperia Z5, and although they both have 8 CPU cores and a 3 GB RAM memory, the Galaxy S6 also has a 64-bit processing unit and a faster 650 MHz GPU. The Galaxy S6 has a slightly better looking display than Xperia Z5, because although it has a quite smaller display, it also counts with more pixels per display inch and a higher 2560 x 1440 resolution.
Samsung Galaxy S6 features a quite bigger storage to install applications and games or saving photos and videos than Sony Xperia Z5, because although it has no slot for an SD memory card, it also counts with more internal memory. The Xperia Z5 has a bit longer battery lifetime than Samsung Galaxy S6, because it has a 14% larger battery capacity.
Xperia Z5 takes slightly better videos and photos than Galaxy S6, and although they both have the same 3840x2160 (4K) video definition and the same 30 frames per second video frame rates, the Xperia Z5 also has a back camera with much more MP, a larger diafragm aperture and a bigger sensor providing a higher image quality.
Despite of being the best phone of the ones we are comparing, the Samsung Galaxy S6 is also a bargain compared to the other ones.
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