Intel broadwell may have less overclocking capacity than haswell
Intel Sandy Bridge microprocessors hit the market offering great overclocking potential so it is not difficult to find users who bring their processors to 5 GHz using air cooling. Due to this, it was expected that Ivy Bridge and Haswell would have the same facility to raise frequencies as Sandy or even more due to their lower consumption, but this was not the case.
The latest microprocessors released by intel with unlocked multiplier are the core i5 4690K, core i7 4790k and Pentium G3258, all made in 22nm and with lower consumption than their Sandy Bridge equivalents (core i5 2550K and Core I7 2600k). Despite this, they have a lower overclocking capacity due to the overheating they suffer from not bringing the IHS soldered to the die and the greater voltage requirement of the 22nm 3D Tri-Gate transistors.
It appears that future Intel Broadwell-Ks are going to have even less overclocking ability due to the use of 14nm 3D Tri-Gate transistors that overclocking seems to do worse than Ivy Bridge and Haswell's 22nm 3D Tri-Gate transistors. Preliminary data suggests that the first copies of Intel's Broadwell-K suffer from a very high level of consumption at overclocked frequencies.
If confirmed Sandy Bridge will continue to be the king of overclocking on intel for some time to come.
Source: CHW
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