Comments by "Winnetou17" (@Winnetou17) on "" video.
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@davidereverberi5279 You didn't understood what I wrote. It's because Skylake (and before) doesn't have the hardware mitigations that Comet Lake has which makes it kind of an IPC increase. It's basically just much less of a penalty to the IPC on Comet Lake than it is on Sky Lake.
Next, you have to add that on top of Sky Lake IPC improvement over Haswell. Here's a review from when 6700K was fresh: https://www.anandtech.com/show/9483/intel-skylake-review-6700k-6600k-ddr4-ddr3-ipc-6th-generation
You can see there, near the bottom, that it says 5.7% IPC over Haswell on Sky Lake with DDR 3, and 6% IPC increase when Sky Lake was on DDR 4. That was quite low, buuut, that was with DDR 4 on 2133 MT/s, the lowest most basic DDR 4. Which was normal back then, as it was new. Now, with 3200-4400 MT/s being the norm, with nice timings, that should be easily at least another 5%.
All three combined should add up to about 20%. That is, from Haswell to Comet Lake.
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