CL 5 - CL 4 performance differences in P5K-5 q6600

chrisfromalbany

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ASUS P5K-E LGA 775 Intel P35 ATX Intel Motherboard - Retail
http://www.newegg.com/product/product.aspx?Item=N82E16813131225
$139.99 :pt1cable:

Q6600 processor :bounce:

Here are the two memory options. I order the first one below already from Newegg. I could not open it and
order the one below, which is faster. I guess I want to know how much of a difference going from CL 4 from CL 5 is going to make. Going to be a pain to get a RMA from Newegg :pfff: and ship this other memory back, along with a cost of a few days in building but if it makes enough of a difference I will. Above MB and chip I am running.

Thanks,

-Chris
One I ordered...
CORSAIR 4GB(2 x 2GB) 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400) Dual Channel Kit Desktop Memory - Retail
http://www.newegg.com/Product/Product.aspx?Item=N82E16820145184&Tpk=n82e16820145184
$114.00 $74 rebate

Better one I might want to order....
CORSAIR XMS2 DHX 4GB(2 x 2GB) 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400) Dual Channel Kit Desktop Memory - Retail
http://www.newegg.com/Product/Product.aspx?Item=N82E16820145194
$144.00 rebate $104
 

doubletake33

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1st off your links are junk! there not taking me to the product at all. go into the actual "description page" for that product and copy that address and paste it.

2nd great choice in mobo as i have that one. got mine last week, but paired it with an e6550. so your overclocks will be much better than mine!

as for the mem go for the xms2 dhx version.

as for the mem i have i got these: http://www.newegg.com/Product/Product.aspx?Item=N82E16820227271
 

chrisfromalbany

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Sorry about that.. I fixed the links..
 

dragabain

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The converse is true. The lower number means "faster" ram. The number corresponds to how many clock cycles it takes to activate a certain part of the ram. Therefore a lower number means less latency...less latency generally is perceived as "faster". There are many applications where CL4 will outperform CL5, and there are some instances where they will be similar.

Anyways, simply put, CL4 is "better".
 

jeremyrailton

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I experimented with that by changing my timings and running 3d mark. the difference was small, like less than 100 points. For gaming, you won't notice a difference. It'll probably be more of a hassle to do all the returning. Have you tried forcing your ram to faster timings? Sometimes they'll do that, depending on the ram.
 

chrisfromalbany

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only worth a hundred points.. well I don't like not buying the best thing, but if that is all it is going to cost me I figure I will keep the memory I go. Thanks
 
The two parts are essentially the same. The DHX indicated a fancier heat spreader which is not necessary. It also runs at a lower cl4 instead of cl5 which is good, but will not make a noticeable real difference to your programs. It does this by running at 2.1v instead of 1.8v I do not think the difference is worth much.
 

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