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Intel Skylake IGP specifications surface

Intel is expected to release the Skylake architecture sometime in 2015 however their details have already started slipping out. We don’t know much about the upcoming architecture apart from the fact that it will be based on 14nm manufacturing process and will launch with new socket (LGA 1151) as well as new chipsets codenamed Sunrise Point (Z170/H170). We’ve had knowledge about the integrated graphics of Skylake as well as the fact that Intel will introduce GT4e IGP with eDRAM however we did not know specifications of the new IGPs which are now leaked.

Intel Skylake IGP

As expected, Intel will be putting great effort towards improving the performance of graphics chip integrated in Skylake processors but the higher end socket processors (Skylake-S) and BGA (Skylake-H) ones will benefit the most. Some SKUs from these two families will come equipped with the GT4e based on the Intel processor graphics gen8 architecture. GT4e allegedly features 72 EUs and 128MB of eDRAM (some SKUs might come with 64MB eDRAM). The number of EUs is 50% higher than the best configuration on any Broadwell CPU.

VariantCoresGraphicsMemoryEUseDRAMTDP
SKL-Y-12GT2LPDDR3 1600 MHz24N/A4 W
SKL-U-12GT2LPDDR3 1600 MHz24N/A15 W
SKL-U-22GT3eLPDDR3 1600 MHz4864 MB28 W
SKL-H-14GT2DDR4 2133 MHz24N/A35 W
SKL-H-24GT4eDDR4 2133 MHz72128 MB45 W
SKL-S-12GT2DDR4 2133 MHz
DDR3L/DDR3L-RS 1600 MHz
24N/A35–65 W
SKL-S-24GT2DDR4 2133 MHz
DDR3L/DDR3L-RS 1600 MHz
24N/A95 W
SKL-S-34GT4eDDR4 2133 MHz
DDR3L/DDR3L-RS 1600 MHz
4864 MB35–65 W

The Skylake-U chips will come with GT3e IGP which we’ve already seen in Broadwell. It comes with 48 EUs and 64MB eDRAM. Other chips will come with GT2 and GT1 graphics carrying 24 and 12 EUs respectively. There is reportedly a GT1.5 configuration as well which will come with 18 EUs.

Apart from that, the new Skylake processors will features improved multimedia engine with support for HEVC/H.265 codec. The next-generation Intel processor graphics will also support 4096 x 2304 at 60Hz resolution with 24-bits per pixel over DisplayPort/eDP interfaces as well as 4096 x 2160 at 60Hz resolution over HDMI.

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