| Global Score | |
| 87.4 | 79.8 |
| 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 | 6.08 x 2.99 x 0.31 inches |
| 4.87 ounces | 6.35 ounces |
| Black, Blue, Gold and White | Black, Gold and Gray |
| Aluminium and Glass | Glass and Metal |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 252.00 | $ 545.00 |
| Display / Screen | |
| 5.1 inches | 5.5 inches |
| 1440 x 2560 pixels (Quad HD / 2K) | 2160 x 3840 pixels (4K) |
| Super AMOLED | IPS LCD |
| 576 pixels per inch | 801 pixels per inch |
| Capacitive, Multi-touch | Capacitive, Multi-touch |
| 9.9 | 10.6 |
| 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 | -- |
| 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 | 3430mAh Li-Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| -- | 630 hours standby time 15.2 hours talk time |
| 4.56 | 5.44 |
| 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 |
| -- | FM Radio |
Galaxy S6 is a little bit better than the Xperia Z5 Premium, having a global score of 87.4 against 79.8. These phones work with Android operating system, but Galaxy S6 has the older 5.0 version while Xperia Z5 Premium has Android 5.1 version. Even when Galaxy S6 and the Xperia Z5 Premium were released with only a couple of months difference, Galaxy S6 is somewhat thinner and way lighter.
The Xperia Z5 Premium features a bit more vivid display than Samsung Galaxy S6, because it has a greater pixels amount in each inch in the screen, a much higher resolution of 3840 x 2160 and a little larger screen. Galaxy S6 has more storage for applications, games, photos and videos than Sony Xperia Z5 Premium, because although it has no slot for an SD memory card, it also counts with 128 GB internal storage capacity.
Galaxy S6 features a bit better hardware performance than Sony Xperia Z5 Premium, and although they both have 3 GB of RAM and 8 cores, the Galaxy S6 also has a faster GPU working at 650 MHz and a 64 bits CPU. Xperia Z5 Premium has superior battery lifetime than Samsung Galaxy S6, because it has a 3430mAh battery size against 2550mAh.
Xperia Z5 Premium shoots slightly better photographs and videos than Samsung Galaxy S6, and although they both have the same video frame rate and the same 3840x2160 video resolution, the Xperia Z5 Premium also has a larger aperture, a lot more MP back facing camera and a larger sensor which gives a higher photo and video quality.
The Galaxy S6 is not only the best phones of the ones we compare here, but it's also by far the cheapest, making it an easy decision.
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