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2 Conroes CPUs

post #1 of 11
Thread Starter 
say one is a E6420 running at 3.6ghz and the other is a E6700 running at 3.6ghz as well.

and assume they are both running at 8x450

will both of them offer the same level of performance?
post #2 of 11
Run benchmarks?
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post #3 of 11
most likely but it would depend on ram motherboard gfx and so on
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post #4 of 11
depends on cache. with same amount of cache they wud
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post #5 of 11
Thread Starter 
oh yea everything else like ram mobo and gfx card will be the same, cache i think they are the same as well at 4mb?
post #6 of 11
i believe the E6420 will outperform the E6700 at many different speeds because of the motherboard straps. they might leapfrog each other as the speeds climb though.
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post #7 of 11
he already said, both run at 450x8.
if so, both would offer the exact same performance, though stepping and week might affect temps.
they're the exact same CPU with different multi's. thats all.
post #8 of 11
Quote:
Originally Posted by ChielScape View Post
he already said, both run at 450x8.
if so, both would offer the exact same performance, though stepping and week might affect temps.
they're the exact same CPU with different multi's. thats all.
negative. lowering your CPU from the default multi raises your motherboard's bus.

so 400x8(stock multi on an E6420) = 1600MHz bus on your motherboard

but 400x8(lowering the multi by 2 on an E6700) = 2000MHz bus on your mobo.

the formula is "Stock Multi / Actual Multi x FSB (x4 for QDR) = System Bus"
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post #9 of 11
*re-reads stickied-strap-thread*

ohyeah. only XE's have their set multi as default multi.
but either way, dont expect a performance increase greater than "hardly noticable".
post #10 of 11
Quote:
Originally Posted by ChielScape View Post
either way, dont expect a performance increase greater than "hardly noticable".
this is true. i'd still prefer an E6420 because a) they're cheaper, and b) it would put less of a strain on your northbridge.

this may come as a shock to most OCN members, but i actually knew what i was doing when i bought my E6320. it wasn't that i couldn't afford the extra $30 for an E6420 - i wanted the low multi so i could crank the FSB up when/if i wanted.
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