Some info from extremetech. "Ever since Intel announced it would launch Broadwell (a “tick” or die shrink) and Skylake (a “tock” or new architecture)". "The primary columns of interest to most enthusiasts are the changes between the Z97 and Z170. The Z170 will retain the same PCIe 3.0 configuration options for graphics, but makes several changes to connectivity and flexibility. The total number of USB 3.0 ports has been boosted to 10, up from 6, while secondary USB 3.0 connectivity for peripherals is vastly improved, to 20 PCIe 3.0 lanes."
http://www.extremetech.com/computing/198783-fresh-details-leak-on-intel-skylake-chipsets-processors
From tech radar. "Skylake, the code-name for the 6th Gen Core CPUs, is a new microarchitecture, using the current 14nm production process. 'You should expect a significant increase in performance, in battery life, in power efficiency,' says Skaugen. Broadwell though is only likely to offer a relatively small performance boost over the current Haswell chips. It is essentially the same architecture as Haswell, only shrunk down to the 14nm level from the existing 22nm process."
http://www.techradar.com/us/news/computing-components/processors/will-intel-s-skylake-cpus-render-desktop-broadwell-processors-irrelevant--1265595
From vrworld. "The LGA1150 Broadwell offerings are essentially a 14nm shrink of the Haswell die, and unlike previous years, Intel will not be offering a full gamut of CPUs across pricing tiers. Instead, the vendor will focus its efforts on the Skylake architecture, the tock in Intel’s tick-tock release cadence cycle. Skylake will also be fabricated on a 14nm process, but will usher in significant CPU and GPU improvements along with lesser power consumption."
http://www.vrworld.com/2015/03/25/intel-to-launch-two-broadwell-cpus-for-desktop-skylake-debuting-in-october/
All of this reiterates what I already said. Which is why intel likely initially didn't want to put broadwell to desktop, it was initially for the mobile sector where energy efficiency plays a key role. Some larger corporations may see the efficiency factor but for the typical home user given average use of a pc, shaving a few watts off the cpu isn't going to make a huge difference in terms of cost on the electric bill. Especially since current cpu's already have speed step and drop down in power when idle or under low use. Skylake on the other hand is an entirely new architecture. Even though devil's canyon was just released and commonly referred to as 'haswell refresh' is because it's still haswell. It's not a new architecture and neither is broadwell (which is why broadwell fits the lga1150). Hopefully broadwell will be out sometime 2nd quarter but it hasn't been officially announced yet. Neither has skylake and it's already been pushed back a good quarter despite intel originally saying they wouldn't. Now we know how much words mean, anything can change. Skylake 'probably' won't get pushed to 4th quarter 2015 or 1st quarter 2016 but then again it wasn't 'supposed' to get pushed back at all according to intel's previous comments.
Another thing to consider in all of this, a new chip is always a roll of the dice. Case in point, prescott chips and the deep execution prediction pipelines that hurt performance and had all sorts of heat issues. On amd's side, what about bulldozer, the huge game changer that was supposed to be and wasn't? There are two ways to look at it, a roll of the dice and hope that specs on paper and theories pan out with the new tech that hasn't landed yet and can't be verified, or the current tech that has solid real world performance to equate to. I wasn't saddened by devil's canyon performance but then it was a real item and I knew what to expect. Those early adopters who couldn't wait to snatch it up and toss it in their machine were a tad disappointed since intel's initial claims were that it would 'hit 5ghz on air cooling' referring to the 4690k. Not so much, some chips have hit 5ghz under extreme cooling - but not easy as pie on air like they claimed and intel's pr had to quickly backtrack after making those hopeful claims.
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