Intel’s upcoming Kaby lake i5 7600K benchmarks have been leaked, showing 10% performance increase over Intel’s Skylake 6600K.
This improves benchmark numbers from Skylake to Kaby Lake, mainly due to Kaby Lake’s increased clock speeds, rather than any significant architectural improvements. Current Intel’s Skylake i5 6600K has a base clock speed of 3.5GHz, compare to the rumoured clock speeds of 3.8GHz on Intel’s Kaby Lake’s 7600K, which is a significant increase in clock speeds given the boost clock will be much higher too, despite those clock speeds the Kaby Lake CPUs have a similar TDP to their Skylake counterparts.
Right now it seems that Kaby Lake will not be a worthy upgrade for existing Skylake CPU users, unless Kaby Lake can offer significantly higher overclocking headroom than Skylake.
As you can see the leaked benchmarks for Intel’s Kaby Lake 7600K showing improved performance of the new processors, but these performance benefits are coming from Kaby Lake’s enhanced clock speeds, rather than IPC improvements. Right now Intel’s Kaby Lake CPUs are expected to release sometime in Q1 2017, though Intel didn’t confirm any release dates or timeframes.