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Ivy-e roadmap, confirmed

jonneymendoza said:
Point is. i have a 800w psu with a high end gpu and cpu and yet im all good?
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Not trying to be rude, but you had a high end GPU/CPU in 2009, its 2013.

What people say is correct, today a high end rig is going to want a >800w PSU.


jonneymendoza said:
U don't need 1kw for a high end GPU and CPU. maybe for SLI but certainly not for one high end GPU
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I think that's what your missing, "high end" implies either a hex core or very overclocked HT i7 and either SLi/CF or dual GPU card

I have a i7 3820 and a factory overclocked GTX670 but my rig isn't high end, its upper midrange at best.
 
Jeps said:
I'm running an i7 920 @ 3.6ghz with 2x 680 SLI on an 850w PSU. No problems at all.
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Same but at 4.1, and using a quality bequiet 750w.

People tend to go overboard more often than not. I doubt I'll be able to go hex core on it though.
I'm likely to move over to 4770k, so will be more efficient anyways.
 
ubersonic said:
Not trying to be rude, but you had a high end GPU/CPU in 2009, its 2013.

What people say is correct, today a high end rig is going to want a >800w PSU.




I think that's what your missing, "high end" implies either a hex core or very overclocked HT i7 and either SLi/CF or dual GPU card



I have a i7 3820 and a factory overclocked GTX670 but my rig isn't high end, its upper midrange at best.
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Umm 2013 components are much more energy efficient then 2009 components.

Jeps said:
I'm running an i7 920 @ 3.6ghz with 2x 680 SLI on an 850w PSU. No problems at all.
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Exactly. Well said

lnoton said:
Same but at 4.1, and using a quality bequiet 750w.

People tend to go overboard more often than not. I doubt I'll be able to go hex core on it though.
I'm likely to move over to 4770k, so will be more efficient anyways.
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Again anotehr example of how 1kw PSU is overkill for 9/10 users out there.

i also forgot that my CPU is clocked at 4ghz too and custom water cooled too.
 
jonneymendoza said:
Umm 2013 components are much more energy efficient then 2009 components.
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In general yes, but they are also more powerful and energy consuming at the high end.


jonneymendoza said:
Jeps said:
I'm running an i7 920 @ 3.6ghz with 2x 680 SLI on an 850w PSU. No problems at all.
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Exactly. Well said
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If that was an overclocked SB-E hex core though (current high end CPU) it would be risky with an 850w PSU and those cards.


jonneymendoza said:
Again anotehr example of how 1kw PSU is overkill for 9/10 users out there.
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Nobody said it wasn't, IIRC it was you that tried to suggest that todays high end systems were not approaching/exceeding 1Kw.
 
ubersonic said:
In general yes, but they are also more powerful and energy consuming at the high end.




If that was an overclocked SB-E hex core though (current high end CPU) it would be risky with an 850w PSU and those cards.
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Well the 3960X has the same 130W max TDP as the 920 going by the specs so I'm not so sure. The newer chips are more efficient then the 920 but maybe I'm missing something? The 3970X is 150W max which isn't a great deal more.
 
Jeps said:
Well the 3960X has the same 130W max TDP as the 920 going by the specs so I'm not so sure. The newer chips are more efficient then the 920 but maybe I'm missing something? The 3970X is 150W max which isn't a great deal more.
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Doesn't a 2011 mobo take more juice too? More pci lanes etc..
Not sure how much though.
 
My 750w be quiet is 4 years old now, and I understand over time they weaken so to speak, so I should upgrade that too I guess at some point too.
 
WingZero30 said:
Yeah this is what I thought aswell. I would imagine that overclocking both 3960x and 920 to, say 4.2Ghz, would result in different power consumption
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I have not measured but I think it is about the same @4.2ghz, where it gets interesting is the 3960X can go a lot higher and reach 5.0ghz or more, this is where the extra watts are used.
 
pgi947 said:
The Kingston sticks are running along fine at 2400mhz though tune about as well as some cheap 1600 c9 sticks :p

G.skill kit is due on Friday :)
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I have found tuning is as important as brute speed.

I was messing around with my Corsair Dominator Plats

When I run them at their normal 2400mhz with 9-11-11-25 1T 96 , I can score around 17250 in Physics in 3dmark11 with the CPU @5.1

When I increased the speed to 2600mhz with 10-12-12-31 1T 192 , I scored 15700 in the physics test, quite a big drop in performance.:eek:

I went back to their tuned 2400mhz profile very quickly.:)
 
Yep that's why I'm dropping the Kingston kit, as with the g.skill at worst I'll have to settle for tuning the cl9 2133 profile. Though I'm told they should do stock timings up to around 2333. Best the kingston will do is 2420 @ 11-12-11-1t, even that feels a bit rough at times, they won't even tune down on the 2133 profile :p

Really wish I'd just stumped up for some quality sticks when I first moved to x79, the g.skill will be my 5th kit!!
 
Kaapstad said:
I have found tuning is as important as brute speed.

I was messing around with my Corsair Dominator Plats

When I run them at their normal 2400mhz with 9-11-11-25 1T 96 , I can score around 17250 in Physics in 3dmark11 with the CPU @5.1

When I increased the speed to 2600mhz with 10-12-12-31 1T 192 , I scored 15700 in the physics test, quite a big drop in performance.:eek:

I went back to their tuned 2400mhz profile very quickly.:)
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Makes sense, the 2600MHz has a higher max theoretical bandwidth, but its slower to respond (3.85 MS as opposed to 3.75).
 
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Kaapstad said:
When I run them at their normal 2400mhz with 9-11-11-25 1T 96 , I can score around 17250 in Physics in 3dmark11 with the CPU @5.1

When I increased the speed to 2600mhz with 10-12-12-31 1T 192 , I scored 15700 in the physics test, quite a big drop in performance.:eek:
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96 to 192 is quite a big change, did you need to go that far for stability?

pgi947 said:
Yep, sa/vtt are much lower now too :)
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<1.2v?
 
wolvers said:
96 to 192 is quite a big change, did you need to go that far for stability?



<1.2v?
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@stock they run with something like 192 so to get the system to boot I was using that with the other timings 10-12-12-31 from their 2666mhz kit.

I was quite surprised the system booted at all, iirc it was on a 122 bclk with 125 strap. I tried on the 100 strap with a bclk around 97.5 but that did not boot. I did have a couple of quick goes lowering the 192 but it was not stable, I probably could have reduced it a little bit but the performance was bad and not worth messing with it.

With my normal memory settings (9-11-11-25 1T 96) I can get it to run at a little over 2500mhz just by winding up the bclk, but 2600mhz is just a little bit too far on my X79 setup at those timings.:D:)
 
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