Performance analysis laughable

Article: Medfield, Intel's x86 Phone Chip
By: IntelUser2000 (Intel_user2000.delete@this.yahoo.ca), January 25, 2012 12:56 am
Room: Moderated Discussions
David Kanter (dkanter@realworldtech.com) on 1/25/12 wrote:
---------------------------
>IntelUser2000 (Intel_user2000@yahoo.ca) on 1/24/12 wrote:

>>I've seen >benchmarks of 2 core Atom
>>with Hyperthreading disabled vs Hyperthreading enabled >single core Atom. The 2 core is 30 or so percent faster.
>
>OK. I'm not sure what that says about A9...actually honestly that tells me that
>Intel made a really good choice in terms of hyperthreading.
>

It's that they need a combination of single thread performance(via clock speed for example) and Hyperthreading to match a dual A9. And that A15 improves on clock and IPC.

Though you have a point about process technology giving limited improvents when designs are equal, A15 uses a new architecture.

Sandy Bridge offered both better performance and lower power at same process as Clarkdale. Core 2 Duo did that in 2006 versus Core Duo. A15 chips move to 28nm technology and move to a new architecture.

Perhaps 70% is overkill but 40-50% should be possible, is it not?
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