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Deal: Opty 165 for $106 shipped at Newegg - Page 4

post #31 of 36
Quote:
Originally Posted by repoman View Post
^Opty 175 CCBWE = 2.2GHz
Good point. Im stumped :s
    
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post #32 of 36
Quote:
Originally Posted by alk View Post
Surely we are reffering to the fact that a CCBWE Opty 165 is clocked at 1.8GHz where as a 3700+ CCBWE (Which I have owned) is clocked at 2.2GHz. Both Toledo cores (One core disabled in the 3700+ E6's case) so essentially both the same silcon wafer more or less. The slower clocked CPU runs cooler and more stable, making it ideal for a server environment. think this is what TheSubtleKnife is getting at, not the RAM timings, lol. RAM timings are a property of the RAM, not the CPU. Even tho the Memory controller is built into the K8, lower timings will only affect stability of the RAM, not the CPU. If you have RAM that will cope with the timings at the correct vDIMM and SPD timing values it will run fine.

Think that clears stuff up. Maybe I misunderstood. Please clarify if anything I said was dubious!
No, ram timings weren't ever involved in this discussion. I believe he's referring to the fact that an Opteron and a X2 at equal clock speeds will not perform identical. AMD has refused to comment on why this is, but there are only 2 possibilities since the chips are manufactured the same. Either the IMC has it its timings relaxed or the caches have had their timings relaxed. Both will affect performance in a negative way, but will increase stability and the ability to overclock.
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post #33 of 36
Quote:
Originally Posted by sccr64472 View Post
No, ram timings weren't ever involved in this discussion. I believe he's referring to the fact that an Opteron and a X2 at equal clock speeds will not perform identical. AMD has refused to comment on why this is, but there are only 2 possibilities since the chips are manufactured the same. Either the IMC has it its timings relaxed or the caches have had their timings relaxed. Both will affect performance in a negative way, but will increase stability and the ability to overclock.
Do you have a link for this?
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post #34 of 36
Quote:
Originally Posted by repoman View Post
Do you have a link for this?
Like sccr64472 said, AMD hasn't released any info on this, so it's mostly speculation.
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post #35 of 36
I meant a link to some tests or something, I haven't heard anything about this before.
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post #36 of 36
Quote:
Originally Posted by repoman View Post
I meant a link to some tests or something, I haven't heard anything about this before.
The difference is less than 3% at the same clocks. Since a different motherboard and chipset can affect benchmarks more, it's not something to worry about.

Plus every dual core opty has 1mb L2 cache per core unlike some X2's which only have 512kb per core.
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Core i5 2410M HD 3000 8GB 120GB SSD 
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