CAS 7 vs CAS 9 worth $30 extra?

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alza6991

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Jun 12, 2013
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Hello everyone,

I'm deciding which RAM to get for a new serious gaming pc that I am building, and I have found these 2:

http://www.gskill.com/en/product/f3-1600c9d-16gxm

http://www.gskill.com/en/product/f3-1600c7d-16gtx

I know that the lower timings are better, and apart from that (and SPD Speed) they are the same, but I just wanted to ask... is it worth $30 more? (Thats based on cheapest prices available to me locally - Trident is $199 and Ripjaws X are $169)

Thank you,
I look forward to your answers!

P.S - I am not planning on overclocking my RAM at all. I'm just going to plug it in and leave it.
 
Solution
Tradesman1
As mentioned earlier, if just for gaming 1600/9 is perfectly fine, DRAM is basically just a conduit for passing info in gaming, if you use the rig for other, particularly multi-tasking, video, images, CAD, streaming, etc...anything that's memory centric, the the lower CL is to your advantage...when you look at BMs on DRAM there is very little difference, each time run they are doing one basic thing, the BM, but when you have multiple things going on at oncethe faster CL will aide the DRAM in getting each of the things you have open done faster and the ability to move to the next faster
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Tradesman1

Tradesman1

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Jun 5, 2013
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Sort of depends, if you want to OC the sticks, the Tridents are far better, this set will OC fairly easily to 2133 and depending up to 2400...Even if you don't want to OC they are far better than the base 1600/9 set, which is perfectly fine for gaming (1600/9 is basically entry level these days)
 
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alza6991

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Jun 12, 2013
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Sorry, I forgot to say that I am not planning on overclocking them.

So do you still think it is worth the extra cash?
 
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Repress

Repress

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Feb 7, 2013
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You will be more than happy with the 1600 cas 9 set, be happy you saved 30$ and spend it on a game or something :] because the performance gain is so small that its not really worth it when it comes down to it.
 
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alza6991

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Does anyone else want to weigh in on this / give their opinion?

The current answers are kind of opposite to each other, and I want a more collective opinion before I decide.
 
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Repress

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I will go ahead and leave this here for you to peruse through
http://www.anandtech.com/show/4503/sandy-bridge-memory-scaling-choosing-the-best-ddr3/8

Neither of us are wrong, Hes is right the 2133 is better, but it is up to you to determine whether or not the 30$ extra is worth the performance gain. In the benchmark if you look you can see for yourself how much more performance you will be getting and decide from there.


Since this is a gaming machine, check this tab page in particular which benches memory performance as it relates to gaming.
http://www.anandtech.com/show/4503/sandy-bridge-memory-scaling-choosing-the-best-ddr3/6
Specifically take note of the fps charts, its quite shocking really how little of a difference the memory makes in gaming.
 
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alza6991

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Jun 12, 2013
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Thanks for the links, I will look them through,

But I hope you saw that both the Sticks I linked are 1600Mhz, it's just the timings that are different (Tradesman1 was just saying that you can overclock to 2133 if you want to, but i'm not planning to O.C, I'm just leaving them at 1600Mhz)
 
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Repress

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If you are going to spend the extra 30$ you should overclock it because there isnt really a point if your just going to leave it at 1600 cas 7. They have 1600 cas 7 ram in the benchmark as well and the difference between that and cas 9 is smaller than it would be if it was 2133.I still would like to here tradesman1 and others opinions on this to.


I for one have always been about saving cost where i can and am happy with my 16gb's of 1600 Cas 9 Ram.I Haven't bothered to overclock it because to me there's no point really, but its always interesting to see others opinions to.

I personally would tkae that extra 30$'s and put it towards something else (probably an ssd or a better gpu) because those will have a bigger impact on your performance as it relates to gaming. I can't live with my ssd as a boot drive :]


 
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alza6991

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Jun 12, 2013
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Thanks for all the advice. I'll probably go with your way of thinking, but want to see if anyone else has anything to say before picking best answer and 'solving' this question :)
 
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Tradesman1

Tradesman1

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Jun 5, 2013
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As mentioned earlier, if just for gaming 1600/9 is perfectly fine, DRAM is basically just a conduit for passing info in gaming, if you use the rig for other, particularly multi-tasking, video, images, CAD, streaming, etc...anything that's memory centric, the the lower CL is to your advantage...when you look at BMs on DRAM there is very little difference, each time run they are doing one basic thing, the BM, but when you have multiple things going on at oncethe faster CL will aide the DRAM in getting each of the things you have open done faster and the ability to move to the next faster
 
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