Samsung Galaxy S5 vs Galaxy S4: Do you need to upgrade?
We investigate whether the 2014 handset is a must-have

Processors are upgraded with every smartphone refresh. Performance improvements are incremental - with graphical performance and battery life the biggest changes.
Galaxy S4 - In the UK, Samsung equipped the device with a Snapdragon 800 series CPU. It was clocked at 1.9GHz quad-core processor and 2GB of RAM. A 1.6GHz Octa-core processor was also available in selected markets. Galaxy S5 - This uses Qualcomm's latest Snapdragon 801 series. The quad-core chip has a clock speed of 2.5GHz and also has 2GB of RAM. In India there is an Exynos Octa-core version, but this does not support 4G.
The S5 has been outscoring the S4 in virtually all benchmarks ranging from the Webxprt browser test to the Geekbench synthetic test. In real-world terms you'll see a difference when playing games or downloading large files such as movies.
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