Tom's Hardware > Forum > CPU & Components > CPUs > Where does Atom rank against the Core 2 Duo and Athlon X2?

Where does Atom rank against the Core 2 Duo and Athlon X2?

Forum CPU & Components : CPUs - Where does Atom rank against the Core 2 Duo and Athlon X2?

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I was just wondering, at what GHz would a Core 2 Duo and an Athlon X2 have to be clocked down to in order to have nearly the same power?

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LOL interesting question.

Reply to bobbknight

Not sure, but a Celeron at 800MHz is about the same as an atom at 1.6GHz IIRC.

Reply to cjl

You'd need to take them to a clockspeed that you simply can't do with BIOS settings :lol:

Reply to randomizer

Depends on the benchmark. (Starts talking "per cycle" like some fanboy.)

Message quoted 1 times
Message edited by ghmage on 10-27-2008 at 04:50:25 AM

Reply to ghmage

The Atom is simply a very low power CPU meant for use in mobile devices. They typically have very low clocks (I've seen 1.2 GHz Atoms) in comparison. I don't know their efficency per clock cycle, though.

Reply to gamerk316

ghmage wrote :

Depends on the benchmark. (Starts talking "per cycle" like some fanboy.)

Its an intel - its faster then any amd and more stable and doesnt explode... right? :lol:

BETTER QUESTION - IS IT CLOCK FOR CLOCK FASTER THEN A PENTIUM 4

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Reply to apache_lives

Off the top of my head here so I'm probably wrong.

I've read that the 1.8ghz Atom is about the same as a 900mhz P3 in rough terms. That indicates that the Atom's instructions per cycle is half of a P3. A P3 does 2 (again off the top of my head, based on the P4 IPC since mhz for mhz they where similar). That would imply the Atom does 1 instruction per cycle. Core 2 65nm does 4 IPC and Core 2 45nm does 5 IPC. Effectively a Atom dual core @ 10ghz would rival a 2ghz Core 2 45nm....

Again, off the top of my head so please no being nasty...

Reply to JDocs

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