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1333 vs 1600 for sandy bridge overclocking

post #1 of 8
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So I have heard more than once that 1333 ram might hinder overclocking a bit on SB and I am wondering if anyone can give me some facts on why this might be if it's true.

Thanks!
post #2 of 8
I dont have experience since I'm not on SB but...

Pretty sure it wont hinder overclocking since thats all done through multiplier but every benchmark I've seen shows that SB makes use of the faster bus. DDR3-1600 is recommended.
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post #3 of 8
I think it would probably only hinder if you're trying to use BCLK overclocking, which is already very minimal on SB. Bumping up BCLK also bumps up RAM speed in small increments.

Testing has been done using different RAM speeds from 1333 to 2166 on SB and has really only shown gains in synthetics, with littleto no real world difference.

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post #4 of 8
There you will find all infos that you need
http://www.overclock.net/intel-memor...e-h67-p67.html
But I have never heard/read that this might cause problems. Why should it? The RAM isn`t linked to FSB like it was back in the 775 days. And there is no FSB ratio.
If someone can`t get high clock because of 1333ish RAM please step forward and prove me wrong!
Edited by Mr.Eiht - 9/23/11 at 5:04pm
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post #5 of 8
all i know is..i went from 1600 to 2000mhz on the RAM ..and got 10 more gflops in ibbt..take it how it is..that's how it was..draw your own conclusions
 
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post #6 of 8
Quote:
Originally Posted by fuloran1 View Post
So I have heard more than once that 1333 ram might hinder overclocking a bit on SB and I am wondering if anyone can give me some facts on why this might be if it's true.

Thanks!
Even with 4 dimm slots populated and running at 1600+ Some have managed to get fantastic overclocks with their sandy's. Check the stable thread and all the 16GB RAM users and see for you self.

All four dimm slots will put strain on the IMC however overclocking the CPU shouldn't be a problem.

Overclocking RAM with four slots populated and obviously taking into consideration the density of the modules, may be a difficult task but overclocking RAM is only really beneficial in benchmarks etc.

Unless you mess around with the BUS speed which you shouldn't really, then RAM shouldn't really effect the fsb at all. Please correct me if im wrong.

Hope that helps bud
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post #7 of 8
it may not hinder overclocking per se..but it will effect throughput..p.s. higher frequencies give you more flexibility as well
 
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post #8 of 8
According to an article by Tom's Hardware, 1600 is the sweet spot for the Sandy Bridge architecture. Anything higher won't give significantly higher performance boosts unless you really OC them (like 200% of stock). I'd post the link to the article but I can't find the article. It was published a couple of months back.
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