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Intel datasheet reveals 4.5W SDP Haswell chip

Posted on Thursday, June 13 2013 @ 19:18:29 CEST by

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The Tech Report noticed an Intel datasheet that reveals the existence of an upcoling Y-series Haswell chip with a SDP (Scenario Design Point) of only 4.5W.
Otherwise known as Scenario Design Power, SDP refers to power draw during sustained workloads. More traditional TDP ratings gauge power usage during shorter bursts of activity. SDP ratings have apparently been around for a while, but Intel only started discussing them publicly when it revealed its Y-series Ivy Bridge CPUs earlier this year. Those chips have 13W TDP and 7W SDP ratings.

According to the datasheet seen by Seeking Alpha, Y-series Haswell processors will have maximum TDP ratings of 11.5W, down from 15W for the U-series chips. Y-series models will be available with 6W and 4.5W SDPs, and peak CPU frequencies will range from 1.3-1.4GHz. Interestingly, the Y-series chips appear to have a special low-power mode that takes the CPU down to 600MHz. 800MHz is listed as the lowest possible frequency for the U-series models.

Seeking Alpha speculates that a 4.5W Haswell part could easily slip into 11.6" tablets. That territory is also being targeted by processors based on Intel's next-gen Silvermont Atom architecture, and the author suggests Intel is trying to squeeze ARM from both sides.



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