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970x vs. 990x - Page 2

post #11 of 20
Quote:
Originally Posted by prznar1;12496701 
not only cpu multiplier is a difference. the qpi is also higher, like in all extreme models from i7 range. the k models got unlocked multiplier, and only that. x versions got unlocked multiplier and higher qpi.

ofc 990x is better binned silicon, but still, overclocking is more like luck XD.

ps there is no 970x tongue.gif

The 980X and 990X just use one multiplier higher on the QPI. That's not something you cannot change. It's basically the same thing as the core speeds being higher.

The BCLK is 133 and the stock QPI multiplier is 36 on the 970 and 48 on the 980X/990X. If I wanted to I could raise the QPI multi on my 970 to 48 or lower the QPI on a 980X/990X to 36.
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post #12 of 20
Take a CPU #1 to #2. 20USD difference, let's say 1,2X performance.

Now, CPU #2 to #3. 20USD difference, let's say 1,2x performance.

And finally, CPU #3 to #4. 400USD difference, let's say 1,2x performance.


If you want performance X dollar, you will never buy the latest CPU model. Those are designed to a restricted marked (read they are designed for people that can pay)
post #13 of 20
Quote:
Originally Posted by FtW 420;12496626 
The 990x has an unlocked multi, so is capable of higher overclocks with extreme cooling than the 970. I've also read that it has an improved IMC, so should be able to handle higher uncore clocks/memory frequency.

Like 7.1 gHz?

Gigabyte-Tops-7Ghz-with-Intel-Core-i7-990x-Overclocking
Quote:
Originally Posted by Lostintyme;12496662 
The 990X might actually clock like the recent SB chips, like 4.8GHZ on air(most will go to 4.5). I don't see many 970s running at 4.5.

What? It dosn't clock like SB, otherwise it would be 1155..
Quote:
Originally Posted by EduFurtado;12496883 
Take a CPU #1 to #2. 20USD difference, let's say 1,2X performance.

Now, CPU #2 to #3. 20USD difference, let's say 1,2x performance.

And finally, CPU #3 to #4. 400USD difference, let's say 1,2x performance.


If you want performance X dollar, you will never buy the latest CPU model. Those are designed to a restricted marked (read they are designed for people that can pay)


You got it all wrong my friend. CPU market for intel isn't similar as such to AMD who rely on money concious buyers, intel has always been MNO...
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post #14 of 20
Many people are finding these chips clock closer to SB than the previous 32nm chips. I'd say you should be able to get 4.4-4.8GHz on air pretty easily. I've seen a few samples 100% stable at 5GHz.
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post #15 of 20
Before your epeen explodes, ask yourself this: do I really need a hexacore cpu?

Some people actually benefit from an extra 2 cores..(benefit: helps with day to day tasks that can utilize them, like video converting..or in many ocn cases, extreme benching/hwbot under ln2) If you're only gaming, a quad is more than enough.
post #16 of 20
Thread Starter 
I can justify the 2 extra cores cause I fold 24/7. and am getting ready to step up to a 580gtx and will grab a 2nd one at that time and will run them in sli... So the extra cores will be able to handle those while folding..
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post #17 of 20
Well, if you can benefit from it...go for it. biggrin.gif
post #18 of 20
Quote:
Originally Posted by Lostintyme;12496733 
Lucky chip.

Not really, Ask his vCore at 4.6ghz.

He gets 4.5ghz at 1.45v which is high. 4.6ghz will be even higher
 
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post #19 of 20
Thread Starter 
Sigh...990x ordered....anyone wanna buy this 950 off me???Oc'd to 4.2 ghz on air....
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post #20 of 20
heres my i7-970 at 4.6GHz,got this one from the egg last week.batch is #3012B129
for 4.5GHz HT on it only needs 1.36v vcore:Dits a great chip for sure

http://valid.canardpc.com/show_oc.php?id=1673579

23x200.5@4611 ddr3-1604 6-6-6-24
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