No silicon yet?

By: none (none.delete@this.none.com), September 22, 2009 1:40 pm
Room: Moderated Discussions
? (0xe2.0x9a.0x9b@gmail.com) on 9/22/09 wrote:
---------------------------
>Right?

No, as IntelUser2000 pointed out, you are off by a factor
of 2 for A9:


ScoreProcessor
23044 (5761/core)4 cores on Cortex-A9 @2GHz(?)
2*4058 = 8116 (2029/core)hypothetical
4 cores on two Atoms @1.6GHz
24828 (6207/core)4 cores on PhenomII @2.6Ghz
39201
(9800/core)
4 cores on Core2 Quad 6700 2.667GHz


>So, how exactly is Cortex-A9 "competitive with the latest x86 cores" like PhenomII?
>
>If Atom is overclocked to 2Ghz, the Cortex-A9 at (supposedly) 2GHz still beats
>it - but *not* by a wide margin. And it even has the advantage of OoO execution
>against the "supposedly poorly designed" in-order Atom.
>
>Bottom line: If you think A9 will be pulling miracles as if designed by an advanced
>alien race from outer space, then you are plain wrong.

I guess will have to update your conclusion based on the
above fix :-)

Also to be taken into consideration: only a dual core A9 @2GHz
was announced. And the Atom score was with HT, so perhaps
one should compare a dual core A9 vs a dual core including
HT. So that'd be 11522 for A9 vs 10145 for Atom.

Anyway that benchmark leaves at least two questions
unanswered: what about the memory system performance? And
what about coherency performance?
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