Octa-core version of Samsung Galaxy S5 features 2.1GHz Exynos chip
Just to reiterate for those who are curious, the difference between the Qualcomm Snapdragon 800 and the Snapdragon 801 is that the latter supports a faster clock speed, which is why the CPU is running at 2.5GHz on the Galaxy S5. And there is one more difference. The Snapdragon 801 also supports a faster maximum GPU frequency (578MHz vs. 550MHz).
An earlier version of the Samsung infographic we showed you earlier Tuesday, revealed the octa-core variant of the Samsung Galaxy S5 (see below). That version of the infographic has since been removed by Samsung.
source: Samsung via Engadget, GSMArena