Intel was surprisingly quiet about the remaining details of Haswell at IDF this year. We know the rough CPU architecture details, some info at a high level about the GPU and of course the platform power improvements. There is a lot more however.

We already know that in its quad-core GT3 configuration, Haswell will offer 2x the GPU performance of Intel's HD 4000 (Ivy Bridge GT4). What Intel didn't say however is that Haswell's ULV GT3 parts will offer around 30% better GPU performance than Ivy Bridge ULV GT2.

The improved graphics performance comes both from an updated architecture and more EUs, but also an optional on-package cache of up to 128MB in size. It's too early to talk about SKUs and DRAM configurations, but 128MB is the upper bound. Expect to see tons of bandwidth available to this cache as well.

On the CPU side you can expect a ~10% increase in performance on average over Ivy Bridge. As always we'll see a range of performance gains, some benchmarks will show less and others will show more. 

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  • iwod - Thursday, September 13, 2012 - link

    Why isn't this on Mobile as well? It could truly eliminate the need for discrete graphics.
  • DanNeely - Thursday, September 13, 2012 - link

    Why do you think it's not? AFAIK GT3 graphics are mobile only; and since that's the GPU that would be hurt most by the system ram bottleneck, I'd expect full power mobile parts to be among the 128mb models.
  • iwod - Sunday, September 16, 2012 - link

    Well becasue Intel only states double the performance of IVY. Which a GT3 should already been able to achieve, With an additional 128MB cache i expect more then that.
  • AnTech - Thursday, September 13, 2012 - link

    When quad-core ULV?
  • Wolfpup - Monday, October 1, 2012 - link

    It had better actually be some means of improving CPU performance...but given the modest gains from modest cache size increases, I'm guessing not...

    I REALLY hope AMD can get back in the game here, because I'm REALLY tired of Intel blowing hundreds of millions of transistors on their worthless video no one should want. That alone has me almost wanting to just do AMD...

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