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Intel Haswell graphics to be up to 100% faster

Posted on Thursday, August 23 2012 @ 22:25:04 CEST by

CPU World got its hands on details of the graphics features of Intel's Haswell processors, you can read it over here. The Haswell GT1 graphics promise 15-25 percent better performance than Ivy Bridge GT1, the same percentage as the GT2 versus Ivy Bridge GT2, while the GT3 graphics promise 50-100 percent better performance than Ivy Bridge GT2 GPUs.
Current Chief River/Maho Bay platforms integrate digital and analog video interfaces in the chipset. Analog interface (VGA) on the Shark Bay platform stays with the Lynx Point chipset, but the Digital Display Interfaces (DDIs) are moved to the processor. Haswell CPUs include three digital ports, that can be configured as HDMI, DisplayPort or DVI, and work independently from each other. There are some limitations, though. For instance, it's not possible to set all three ports to HDMI or DVI interface, but it is possible to set all three to DisplayPort. Digital ports support HDMI v1.4a and DisplayPort v1.2 interfaces, and can work with resolutions up to 3200x2000 at 60 Hz with DisplayPort, or up to 4Kx2K at 24 Hz with HDMI interfaces. In addition to three digital ports, the CPUs have one embedded DisplayPort (eDP), and one Flexible display Interface, that can be re-configured as the second eDP port. eDP ports support Panel Self Refresh feature, that stores displayed picture in a local video memory, which allows graphic controller to power down when the picture doesn't change. This feature works for single eDP display only. Another low-power feature is LPSP, or Low Power Single Pipe.



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