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Will CAS Number on RAM Affect 6800K

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October 20, 2013 4:29:59 AM

I was just looking at 2133Mhz RAM and noticed most of them have a CAS of about 11 as the cheapest. I know this will mean longer delays between the RAM Refresh Cycle but will it really affect my FPS. For reference, I do plan on Overclocking my CPU and the iGPU.
a b à CPUs
October 20, 2013 4:49:14 AM

Neither any of the ram parameters (frequency, latency) nor a cpu overclocking will really affect your FPS.
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a b à CPUs
October 20, 2013 6:03:05 AM

You need to realize that CAS is just as important as the more "screaming" Mhz number. For example 2133 Mhz memory with CAS 11-11-11 is actually slower and more expensive (dumb, but well, people are not very smart either) than 1866 Mhz 9-10-9.

As a matter of fact, unless you are FILTHY rich - best memory would be 1866 9-10-9.


Besides that, though - there is nearly 0 impact on FPS in reality unless you use iGPU, which I hope you do not. Differense between an okish standard memory and roflbbqrotschild memory is about 1 FPS.
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a c 84 K Overclocking
a c 457 à CPUs
October 20, 2013 7:05:40 AM

I got 1866 9-9-9 and it will outperform 2133 11-11-11. Especially when I overclock that 1866 to at least close to 2133 while maintaining that 9-9-9.

I intend on paring it with a 6800k and I will be using it's igpu.
Higher mhz ram makes a HUUUUUUGE improvement with those APUs as does lower timings. A good balance of both is best.
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a b K Overclocking
a c 718 à CPUs
October 20, 2013 8:09:54 AM

Waste of money. For nearly the same cost, you could get a 760k and an HD 7750 and have a much better gaming setup.
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