| Global Score | |
| 72.9 | 87.4 |
| Basic Information | |
| Sony | Samsung |
| Android 4.4.4, 4.4.2 | Android 5.0 |
| 2014-02-24 | 2015-04-11 |
| 5.78 x 2.89 x 0.32 inches | 5.65 x 2.78 x 0.27 inches |
| 5.75 ounces | 4.87 ounces |
| Black, Purple and White | Black, Blue, Gold and White |
| Glass | Aluminium and Glass |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 500.00 | $ 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 | 9.9 |
| Performance | |
| Qualcomm Snapdragon 801 MSM8974-AB chipset | Exynos 7 Octa 7420 chipset |
| Krait 400 (Quad-Core 2300 MHz) processor | 64-bit ARM Cortex-A57 (Quad-Core 2100 MHz + Quad-Core 1500 MHz) processor |
| 3 GB RAM | 3 GB (1600 MHz) RAM |
| Adreno 330 (450 MHz) GPU | Mali-T760 MP8 (650 MHz) GPU |
| 9.27 | 10.08 |
| Storage | |
| 16 GB internal memory | 128 GB internal memory |
| microSD, microSDHC, microSDXC (up to 128 GB) external memory slot | No SD card slot |
| 6.72 | 10.1 |
| Camera | |
| 20.70 MP + 2.20 MP | 16.00 MP + 5.00 MP |
| f/2.00 aperture | f/1.90 aperture |
| -- | 28.00mm focal length |
| 0.43 inches (1/2.3") sensor | 0.38 inches (1/2.6") sensor |
| 3840 x 2160 (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 8.8 | 10.01 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA, HSUPA, UMTS, EDGE, GPRS and GSM |
| Micro SIM | Nano SIM, Dual SIM |
| 7 | 6.7 |
| Battery Life | |
| 3200mAh Li-Ion Battery | 2550mAh Battery |
| Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 690 hours standby time 15 hours talk time | -- |
| 5.2 | 4.56 |
| Other Features | |
| Bluetooth 4.0 | 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 |
The Samsung Galaxy S6 has an overall score of 87.4, which is better than the Xperia Z2's score of 72.9. These phones come with Android operating system, but Samsung Galaxy S6 has a more recent 5.0 version while Xperia Z2 has Android 4.4.4 version. The Samsung Galaxy S6 is a newer cellphone, and it is also somewhat lighter and somewhat thinner than Xperia Z2.
The Samsung Galaxy S6 has just a little better hardware performance than Sony Xperia Z2, and although they both have 3 GB of RAM, the Samsung Galaxy S6 also has a faster graphics co-processor running at 650 MHz, a 64-bits processing unit and 4 more cores. The Galaxy S6 counts with a bit more vivid screen than Sony Xperia Z2, because although it has a bit smaller screen, it also counts with a higher 2560 x 1440 pixels resolution and a higher pixels amount per display inch.
Galaxy S6 takes much better pictures and videos than Xperia Z2, because although it has a back camera with a much worse resolution, a tinier back-facing camera sensor taking less light and washed colors and a lower 3840x2160 (4K) video definition, it also counts with a larger camera aperture for better low light captures and videos.
The Samsung Galaxy S6 counts with a lot bigger memory capacity to install applications and games than Sony Xperia Z2, because although it has no SD extension slot, it also counts with 128 GB internal memory. The Xperia Z2 has longer battery life than Samsung Galaxy S6, because it has 3200mAh of battery capacity.
Despite of being the best phone between the ones we are comparing, the Galaxy S6 is also a lot cheaper, which makes it a no doubt choice.
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