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[MT] Complete Intel Ivy Bridge Lineup Reaveled, 18 Models - Page 25

post #241 of 296
Quote:
Originally Posted by BallaTheFeared View Post

2011 is actually slower per core at the same clocks than 1155, not much, but it's there.
Ivy might not be the fastest chip on the market when it comes out, for every task there is. But I can afford it, and I can put it in a mobo I got for $180 almost a year ago.

Yes, it's just a bit slower because the cache has more latency, most probably because it's bigger, almost twice as big as in the i7 2600k / 2700k. But in tasks that take advantage of the larger cache it will be faster.

Quote:
Originally Posted by starcrafted View Post

just curious...is there a theoretical IPC threshold? Put another way, once Intel (sorry AMD) accomplishes perfect efficiency in performance, what's next? I mean, by that point I would assume the defacto standard for CPUs would be (let's say 20 cores) and anything after that will be negligable, right? It's sort of like saying you can't improve on perfect.

Who knows when that will happen and if it will ever happen. Intel did a ground up redesign of its branch predictor in Sandy Bridge, so who knows. If you start doing a CPU with fiber optics it changes the paradigm eve more. And then there is quantum computing.
Edited by tpi2007 - 11/29/11 at 6:18am
 
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post #242 of 296
Quote:
Originally Posted by starcrafted View Post

just curious...is there a theoretical IPC threshold?

No. You can always make cores wider and always eek at least some pathetically small boost in instruction level parallelism out.

There are architectures out there with dramatically better IPC than Sandy Bridge or Ivy Bridge. In certain FPU heavy work, for example, Itanium is faster than a SB clocked more than twice as fast.
Quote:
Originally Posted by starcrafted View Post

Put another way, once Intel (sorry AMD) accomplishes perfect efficiency in performance, what's next?

IPC and efficiency are not necessarily related.
Quote:
Originally Posted by starcrafted View Post

I mean, by that point I would assume the defacto standard for CPUs would be (let's say 20 cores) and anything after that will be negligable, right? It's sort of like saying you can't improve on perfect.

Very parallelizable tasks will always scale with more cores, no matter the efficiency or IPC of the individual cores.

Multitasking will usually benefit more from more cores than from wider cores, assuming the difference in IPC is not extreme, and depending on exact workload.
Edited by Blameless - 11/29/11 at 6:19am
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post #243 of 296
I'll probably upgrade to the 3770K.

What socket will these be on??
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post #244 of 296
@fibre_optics: Oh, god why you guys don't read the posts ? They are on 1155 socket.
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post #245 of 296
Sweet i been waiting to get rid of my computer (below) since the day i built it, it has been nothing but problems.
 
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post #246 of 296
Ok, at one point and time I read a post stating that IVY will support DDR3 3000+.
I read today that it will support ddr3 1600.
Why is this value so much lower? and what would happen if I put 2 stick of 2133 into it. Will it perform or leg if I don't overclock?
    
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post #247 of 296
Quote:
Originally Posted by Majin SSJ Eric View Post

ES chips are hardly indicative of final performance. I'm guessing a 15-20% increase in IPC and performance on par with a 3960x (similar to how the 2600k was on par with the 990x) in all but highly threaded apps. We'll see....

Ivy is just a die shrink. Im not sure where you're pulling 15%+ from but its not even going to be close to that.
post #248 of 296
The chance we can buy i7 2600k at $199.99 is very soon.thumb.gif
    
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post #249 of 296
77 TDP. What a strange number.
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post #250 of 296
Have you seen another 22nm processor with a usual TDP ?
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