So anand just posted an article about the Skylake H parts that have recently been released: http://anandtech.com/show/10281/intel-a ... -65w-edram
These parts rock a full quad core Skylake with [up to] 8 MB of L3 cache and the long-rumored full-size GT4 GPU along with a 128MB L4 cache chip on-package. They come in TDPs of 65 watts although lower-power variants with cut-down clocks like those in the upcoming Skull Canyon NUC go down to 45 watts or so.
Here's an interesting thing about their die sizes: I did some pixel counting and got 234 mm^2 using two different techniques, so I'm pretty sure that's a close approximation:
1. Using the picture of the motherboard from the anandtech article and knowing that the long set of pins on a DDR4 SO-DIMM is 35.5 mm, the scaled X*Y dimensions of the Skylake chip come out to 234 mm^2 [Source on SO-DIMM: https://www.micron.com/~/media/document ... gx72hz.pdf
2. Using the known die size [84 mm^2] of the Crystalwell cache that's on-package with the CPU and doing an area ratio comparison. [Crystalwell cache die size source: http://www.anandtech.com/show/6993/inte ... q-tested/3
All of my measurements are based on this photo from Anand's story: http://images.anandtech.com/doci/10281/ ... _CS170.jpg
Recall that a regular quad-core Skylake is confirmed to be 122.4 mm^2. So this chip, which is pretty much regular quad-core Skylake + bigger IGP is coming in at about 112 mm^2 bigger than regular desktop Skylake. Now, the GT4 IGP in these big Skylakes is supposed to be triple [72 EUs] the size of the 24 EU IGP in regular desktop Skylake. So, doing a little comparative analysis, the marginal 112 mm^2 represents twice the size of the IGP in regular Skylake -- or -- the regular IGP in Skylake is 56 mm^2. Out of a 122.4 mm^2 die, that's 56 / 122.4 = 0.457 ~= 46% of the die size going to the IGP. Put another way, regular Skylake sans
any GPU but still including cache + PCIe + memory controller would be a 66.4 mm^2 chip... not very big compared to many smartphone SoCs, much less larger CPUs from the old days!
On to these chips in more detail, the total die area devoted to the GPU comes out to about 168 mm^2 or roughly 71.6% of the chip[!] Additionally, the die size is quite large for an Intel consumer part, coming out to being only 11 mm^2 smaller than AMD's Kaveri or Carrizo parts. That ratio for the GPU even beats AMD's ratios for their biggest IGPs compared to other components on the chip. We'll see how it performs when TR gets to review it.