RAM bottlenecking exist?

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Jacky Deng

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Jan 14, 2014
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Hi, My system specs are currently i7 4770k with Maximus Hero IV I am using 2 different sets of GSkill 2x2gb ram total up to 8gb and they run at 669mhz - 1333mhz without OC. Is this bottlenecking my performance?
 
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DarkSable
Ehh, you could overclock it to try to tighten the timings and increase the speed, but you really aren't going to notice any difference.

Basically, the difference between 1866MHz, Cas 8 or 9 RAM and 1333MHz, Cas 7 RAM is just slightly more than the difference between an i7 and an i5. (that is to say, nothing for gaming, a tiny bit for multitasking, a fair bit for rendering)
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DarkSable

DarkSable

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Sep 27, 2012
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Ehh, you could overclock it to try to tighten the timings and increase the speed, but you really aren't going to notice any difference.

Basically, the difference between 1866MHz, Cas 8 or 9 RAM and 1333MHz, Cas 7 RAM is just slightly more than the difference between an i7 and an i5. (that is to say, nothing for gaming, a tiny bit for multitasking, a fair bit for rendering)
 
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Solution
DarkSable

DarkSable

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Sep 27, 2012
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Well, you could most certainly go into your BIOS and see if you can overclock them at all - there's no harm in that if you do it right.

But as for getting better performance in games, no, it isn't going to do much of diddly-squat. (The only exception to that is if you're using an AMD APU, because the onboard graphics relies so heavily on having fast ram to do its thing.)
 
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J

Jacky Deng

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Jan 14, 2014
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10,510
I think my ram is only 667mhz... says its running at that speed on all 4 sticks.

DRAM Frequency: 800mhz
CAS# Latency 9-9-9-24

So i'm guessing its already been overclocked to 800mhz from 667mhz?
Would I get any benefit at all from buying a higher frequency more than 2x of what I have?
 
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DarkSable

DarkSable

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Sep 27, 2012
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Remember that it's DDR, which stands for double data rate. So you double the reported number - 667mhz is an effective 1333MHz, and 800MHz is sold as a 1600MHz stick.

No, there wouldn't be any reason to buy memory that has a higher frequency. You're plenty fine - if you want to experiment a little, you can overclock the ram that you have, but buying new ram would be a waste of money.
 
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DarkSable

DarkSable

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Sep 27, 2012
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Yeah, no worries man. :)

Make sure you wait till the big stuff comes out - right now they're just releasing GK 107 chips, which are meant to be low power chips for laptops and such. What you want to wait for are the GK 110 chips, built on 20nm, hopefully with project Denver on them. Those things are going to be insanely powerful.
 
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