CPU and RAM
Samsung Galaxy S5 - 2.5GHz quad-core processor, 2GB RAM
Sony Xperia Z2 - 2.2GHz Snapdragon 801 quad-core processor, 3GB RAM
The S5 is powered by an updated 2.5GHz processor, a Snapdragon 801 as also featured in the Z2, with 2GB RAM of take care of multitasking. Users were expecting the company to launch the new Exynos processor with 3GB RAM.
The Sony Xperia Z2 also has 2.3 GHz quad-core Snapdragon 801 processor and Adreno 330 GPU, with an extra 1GB of RAM more than the Z1.
Regarding total space, the S5 offers 16 GB and 32 GB versions, but the Xperia Z2 only has a 16 GB version. Z2 and S5 have a microSD card slot space with up to 64 GB as the limit.
Winner: Samsung Galaxy S5
Operating System
Both Sony and Samsung launch with Android 4.4 KitKat, so you get the latest from Google's OS.
These phones offer deeply customized skin with Samsung offer more additions as compared to the Z2. These include fitness features, supporting the sensor on the rear that will return your heart rate. In addition, the S5 comes with
Both are also deeply skinned, with Samsung adding more into the phone. Of particular interest are fitness features, supporting the sensor on the rear that will return your heart rate. It also features Wi-Fi MIMO (802.11ac) and a "download booster" that supposedly combines data signals to pump up download speeds. Samsung claims the Galaxy S5 can download a gigabyte of data in 30 seconds.
On the other hand, Sony offers access to What's New app which helps you discover new and recommended movies, music, games and apps, accessible from a widget on the home screen.
Winner: Samsung Galaxy S5
