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Can someone explain to me in layman terms why IB > SB?

post #1 of 8
Thread Starter 
I ordered a i7 3770k but...

If I read all these threads right, it seems that IB offers better performance at lower overclocked speeds than SB that's OC'd even further.

My friend got his i7 3770k today morning and he was able to get to 4.6ghz using a Hyper 212+ cooler. He's getting pretty high temps in the 80s lol but he says that's normal.. idk.

I have my H100 with 4x cougar vortex fans in push/pull ready biggrin.gif

hopefully I can get my i7 to 4.7ghz or a bit more and run it cool in the 60s/70s biggrin.gif
    
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post #2 of 8
Ivy has about 10% better performance at the same clocks. At stock it's more power efficient too.
However, if you clock it up, power and heat go through the roof. But you can hit 4.5/4.6 GHz on decent air or closed loop water cooling, and that's about the same performance as you'd get from a Sandy chip at nearly 5Ghz.
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post #3 of 8
Basically it's better due to the increased iGPU (if you use it), better clock for clock speed, lower power consumption even when OC'ed, and a few other things I can't remember off the top of my head. The chip has a TJMax of 105, so 85 isn't bad at all at full load especially on air.
post #4 of 8
IB are fine as long you keep it under 90C. 4.6GHz IB is 4.9GHz SB. I saw a proof that 4.9GHz 3570K can beat 5.2GHz 2500K on 3DMark11 physics score. Every chip is different. Some can easily reach 4.8GHz while some can only reach 4.6GHz.
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post #5 of 8
There's PCIe 3.0, which has increased bandwidth over PCIe 2.0. It isn't needed currently, but it will be nice in the future.
It also has Lucid MVP, which is kind of like AMDs hybrid crossfire in a way. It can boost frame rated while gaming, but the real world results aren't that impressive so far.
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post #6 of 8
Thread Starter 
Please bear with me as I'm not really a tech expert lol.

Isn't the max safe temp for i5 2500k something like 72C or something?

So when you say 105C max for IB, is that kind of the same thing?


Also, my new H100 set up gets me like 50-55C max temp on the i5 when I run prime, so that's like a huge improvement over the hyper 212 I had before... so I hope I'll be fine with IB

Is PCI 3.0 dependant on the motherboard? My motherboard sucks (cheap one I got from newegg) but I called MSI and they said it should work with IB.

EDIT: I just reread the message I got from MSI.. **** it talks about GD55 board... **** I think my board is not supported t.t
Edited by Tori - 5/9/12 at 7:53pm
    
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post #7 of 8
Max safe temp for a 2500K is way more than 72C. TJMax is 98C for a 2500K and 105C for an IB I believe. That's the temp at which the CPU will throttle itself down to protect itself. My "safe" temp for SB was always anything under 90C personally so I would amend that up to 95-96C on IB personally....
post #8 of 8
Quote:
Originally Posted by MME1122 View Post

It also has Lucid MVP, which is kind of like AMDs hybrid crossfire in a way. It can boost frame rated while gaming, but the real world results aren't that impressive so far.

You should read about Virtu MVP. It doesn't improve FPS.

In a nutshell, it reduces input lag, which is the time for your input (whether with a joystick or a click of the mouse) to reflect in a rendered image on the screen. To do this, it cancels the rendering of images that won't complete in time to display on your monitor's next refresh, and makes the GPU begin work on the next image instead. This cancelling is reported to the software (the game or benchmark, for instance) as a completed render, thus you end up with higher reported framerates, but the actual benefit is a more responsive experience.
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