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[OBR] Why is Ivy Bridge hot, power hungry and a bad clocker. - Page 7  

post #61 of 183
You have to consider the fact that there is a manufacturing process shrink from 32nm to 22nm which would have been spacious and nice for overclocking if the transistor count was not increased, but the entire push for Ivy-Bridge was for Intel's new "Tri-Gate" technology which effectively added another 30% to the transistor count and added another aspect of heat production (not to mention the larger and improved HD 4000 graphics core). These factors add to TDP, showing that this new chip runs more efficiently at lower clocks, challenging the year 2011 spec max out or known clock zone of 3-4+ ghz. This is a problem for intel because more advanced IHS technologies are still in their infancy making it really hard to pull heat of of Ivy.
The chips are better and just run a little lower in terms of the core clock, which DOES NOT mean they are less powerful.
This whole issue kind of annoys me since it brings everyone back to the clock to clock argument in regards to performance when comparing different chip generations or brands, this whole argument doesn't stand up at all.
- chmodlabs biggrin.gif
post #62 of 183
Quote:
Originally Posted by chmodlabs View Post

You have to consider the fact that there is a manufacturing process shrink from 32nm to 22nm which would have been spacious and nice for overclocking if the transistor count was not increased, but the entire push for Ivy-Bridge was for Intel's new "Tri-Gate" technology which effectively added another 30% to the transistor count and added another aspect of heat production (not to mention the larger and improved HD 4000 graphics core). These factors add to TDP, showing that this new chip runs more efficiently at lower clocks, challenging the year 2011 spec max out or known clock zone of 3-4+ ghz. This is a problem for intel because more advanced IHS technologies are still in their infancy making it really hard to pull heat of of Ivy.
The chips are better and just run a little lower in terms of the core clock, which DOES NOT mean they are less powerful.
This whole issue kind of annoys me since it brings everyone back to the clock to clock argument in regards to performance when comparing different chip generations or brands, this whole argument doesn't stand up at all.
- chmodlabs biggrin.gif

This. If you guys want to compare clock speeds in order to say which chips are best, you might as well throw Bulldozer into the same category as Sandy Bridge...
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post #63 of 183
Ahh, and these are the chips going into the next wave of Macs eek.gif

Did I read hotter...? mad.gif
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post #64 of 183
Im still rocking a 2.8ghz thuban 1055t so anything would be an upgrade. Im not complaining lol
post #65 of 183
Quote:
Originally Posted by wardoc22 View Post

Im still rocking a 2.8ghz thuban 1055t so anything would be an upgrade. Im not complaining lol

You know, your avatar looks really cool when you're drunk. Just sayin'.

How do you think I feel? 2.4 (?) GHz Phenom X4. Yuck.
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post #66 of 183
Quote:
Why is Ivy Bridge hot, power hungry and a bad clocker.

Because Intel rushed it.
So, yeah...
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So, yeah...
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post #67 of 183
with all of that, i am planning to upgrade my phenom fx-5000 pc to a new ivy bridge i5 3570k at stock clock on air cooling for simple gaming and web designing.. oh boy, i just need to switch to amd to intel now!
post #68 of 183
Quote:
Originally Posted by Majin SSJ Eric View Post

IB still looks mighty impressive to me. 4.8GHz roughly equal in performance to SB's 5.2GHz while using significantly less power? Yes please.

Oh, and anybody that wants to compare IB to that massive fail of a processor known as BD has lost all credibility in my book. rolleyes.gif

Yeah, it's more like Phenom II X4 to Llano A8's. Slight IPC gain, but they both clock the same pretty much.

The difference between BD and IB is that AMD actually came out with a revolutionary architecture change, while this is just a die shrink for Intel. Typically die shrinks at least lead to some decent price drops (10% cheaper is acceptable for a new stepping, not a die shrink), so it's peculiar that Intel *still* can't make a $150 quad-core, and the pricing isn't much lower than 45nm Core 2 Quads. See, now AMD could've just did a 32nm die shrink of the whole Phenom II line instead of Bulldozer. The problem with that would be, it'd be slightly faster than PhII but it's just a dead-end architecture. They didn't get Bulldozer 100% correct of course, but in theory new Bulldozer-based CPUs should start to see pretty decent performance gains. And you also have to consider that it's moving towards GPGPU. Intel is approaching a wall with quad-cores and die shrinks, the only real solution for more performance/Watt is more cores, and offloading FP calculations to the GPU.
Edited by jrbroad77 - 4/16/12 at 7:56pm
 
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post #69 of 183
Quote:
Originally Posted by Homeles View Post

You know, your avatar looks really cool when you're drunk. Just sayin'.
How do you think I feel? 2.4 (?) GHz Phenom X4. Yuck.

Lol, we should upgrade this summer... My phii 2.8ghz is a huge bottleneck for my 560ti 448cores at my resolution of 720p...
post #70 of 183
Quote:
Originally Posted by wardoc22 View Post

Lol, we should upgrade this summer... My phii 2.8ghz is a huge bottleneck for my 560ti 448cores at my resolution of 720p...

Man, it looks even cooler when you're more drunk. I need to do this more often.

I think I may hold off until Haswell though. I think the soiling my pants factor might be stronger if I wait, or at least until a new stepping of Ivy comes out. An i5 Sandy Bridge is already 100% faster than my chip at stock, so Haswell should be lots of fun.
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