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What is the benifet of speeds above 1600 Mhz - Page 3

post #21 of 27
10/11/12 at 9:23pm
Quote:
Originally Posted by y2kcamaross View Post

I don't really care about your experience, i go by my own and by reviews, there might not be alot of difference, but there's definitely a difference between 1333 and 2400mhz memory

There IS performance difference in higher freq ram. However this performance gain is so small, it's not noticeable and you will only acknowledge this when you benchmark.
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post #22 of 27
10/11/12 at 10:33pm
Quote:
Originally Posted by unseen0 View Post

There IS performance difference in higher freq ram. However this performance gain is so small, it's not noticeable and you will only acknowledge this when you benchmark.

I highly doubt there's a performance gain. if it has 1-2fps gain across the boards id gladly eat my crow. I'm willing to bet the difference would be between margin of error even at some case the slower ram would be faster
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post #23 of 27
10/12/12 at 5:16pm
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The only places I've seen demonstrable gain are in APU chips, and folks that fold bigadv/hugeadv units.
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post #24 of 27
10/14/12 at 12:47pm
Right now I run ddr3 2200 and will be getting a pair of 2666 dominators on Tuesday. Not really sure there will be a noticeable difference but with ram so cheap why not take every little bit of performance you can get?
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post #25 of 27
10/14/12 at 1:53pm
http://www.xbitlabs.com/articles/memory/display/ivy-bridge-ddr3_4.html#sect0
Quote:
Indeed, the correlation between the memory subsystem’s bandwidth and clock rate is outlined sharper here than in Aida64. Switching from 2133 to 2400 MHz produces a noticeable effect, but the next 266MHz step doesn't seem so useful. Overall, when we progress from DDR3-1333 to DDR3-2400 or DDR3-2666, we can enjoy a 64% increase in data processing speed.

2400C9 or tight C10 is where it's @ for Ivy (high frequency RAM can compliment your OC greatly )
Edited by coolhandluke41 - 10/14/12 at 2:10pm
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post #26 of 27
10/17/12 at 4:44pm
Ah.. finally someone mentions it.

The reason why most people don't notice a difference in high frequency RAM is because they do not overclock their CPU.

CPUs are designed for DDR3-1333 and DDR3-1600, so bus bandwidth/throughput is limited. Once you overclock the CPU, and Northbridge (AMD and older Intels) or QPI/DMI (newer Intels), then it can unleash and take advantage of the higher DRAM frequencies such as DDR3-1866+.

This can be extremely beneficial to someone dealing with large files such as video editing, 3D rendering, and so on. A non-overclocked system with DDR3-1600 CL7 memory can take 25 minutes to complete a task, whereas an overclocked system with DDR3-2400 memory can take 10 minutes. It is a significant and drastic difference between the two, but obviously if you are gaming or streaming videos online, this extreme speed is not absolutely necessary. You pay for what you get, and you need to know how to use what you get. thumb.gif

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post #27 of 27
10/18/12 at 1:35pm
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Quote:
Originally Posted by timisyourfriend View Post

Ah.. finally someone mentions it.
The reason why most people don't notice a difference in high frequency RAM is because they do not overclock their CPU.

I'd guess that on OCN, the reason is most people don't work with large enough data sets for the speed of ram to be a noticeable factor. Seems plenty of us OC our CPUs. L2 and L3 cache hide a massive performance penalty that would otherwise be present - try turning off your L2/L3 cache and operating a computer, then the ram speed(and if you have one, the bus speed) becomes very obvious player.
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