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IDF: Intel talks up Haswell's power efficiency

Not much about performance
Tue Sep 11 2012, 18:37

SAN FRANCISCO: CHIPMAKER Intel has revealed details of its upcoming Haswell processor architecture.

Intel's Haswell chip architecture will find its way into the firm's fourth generation Core Ix branded processors late in 2013. The firm claims it cuts power usage by a factor of 20 over the hugely successful second generation Sandy Bridge processors.

Dadi Perlmutter, EVP and GM of Intel's Architecture Group said that Haswell will provide a doubling in performance over the previous generation Ivy Bridge processors that are based on the same 22nm Tri-gate process node. Perlmutter demonstrated a Haswell chip running at half the power of its Ivy Bridge counterpart outputting the same number of frames per second.

Perlmutter referred to Haswell's power reduction as a way for firms designing laptops to create thinner devices. While he produced a nondescript black reference laptop, there were no revelations about what actual designs firms such as Asus, Dell and Toshiba will produce using Haswell chips.

Permutter said, "We put a lot of effort to tune Haswell and the generation coming after [14nm]. The focus of optimising the power in any aspect." He wouldn't go into exact power figures except for one reference to a 10W TDP Haswell chip, but given the time he spent talking about power rather than outright performance it was clear that the firm is trying hard to show it can compete in the high volume low-power market.

Intel said Haswell will arrive in late 2013, but when The INQUIRER pressed Perlmutter he would not say anything more specific except that Haswell parts will roll out throughout the year in different product lines, including Atom.

However given Perlmutter's desire to have thinner devices, perhaps Intel's Clover Trail Atom processors will be the most important parts as the firm competes with ARM in the smartphone and tablet markets. µ


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