Memory Types for i7 4770

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goehler

Honorable
Jun 20, 2013
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10,510
Hi all :)

I'm looking to buy an i7 4770, and since I'm upgrading my MOBO i need new RAM. I'm going for some 2400 MHz CL11 (Kingston HyperX Predator).

On ark.intel the Memory Type of i7 4770 is stated as: DDR3-1333/1600. Does this mean that it doesn't support 2400MHz RAM?? Or am I reading it wrong??

The Z87 MOBOs I've looked at all support 2400MHz RAM.

Thanks guys :)
 
Solution
bambiboom
goehler,

The memory specification is for the native RAM support. At the moment, I believe there may be native 1866, but RAM above the native speed will be running overclocked.

I've never used RAM faster than DDR-2 667 ECC - the kind of RAM archeologists find when excavating dinosaurs- but I've seen a number of posts on various sites that conclude that using overclocked RAM is not a cost effective choice > 2133 makes a 10% performance improvement over 1600, while costing an average of about $25-30 more for 16GB- about 25% more and is said not to be significant experientially. One post on this forum said that 2400 speed RAM would add ~0-4FPS over 1600.

In any event, if you have the right motherboard and are methodical, you...
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bambiboom

bambiboom

Splendid
Apr 7, 2012
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goehler,

The memory specification is for the native RAM support. At the moment, I believe there may be native 1866, but RAM above the native speed will be running overclocked.

I've never used RAM faster than DDR-2 667 ECC - the kind of RAM archeologists find when excavating dinosaurs- but I've seen a number of posts on various sites that conclude that using overclocked RAM is not a cost effective choice > 2133 makes a 10% performance improvement over 1600, while costing an average of about $25-30 more for 16GB- about 25% more and is said not to be significant experientially. One post on this forum said that 2400 speed RAM would add ~0-4FPS over 1600.

In any event, if you have the right motherboard and are methodical, you can overclock the 1600 at no cost- I've seen forums only for CPU and RAM overclocking.

I must have misremembered, but I thought I'd read when Haswell was announced, that would be native 1866 support, but perhaps that arrives with DDR4 in about a year or so.

Cheers,

BambiBoom

 
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Solution
G

goehler

Honorable
Jun 20, 2013
6
0
10,510


Thanks for the answer :)

I know that high frequency RAM is not efficient in gaming. Since games need to access small bits of random information based on user input. But I'm going to be doing heavy 3D animation and rendering. I've done some calculations on the time to read 8 words, and 2400MHz 11CL was the most cost-efficient for this purpose :)

I just needed to make sure it would run @ 2400MHz with the Haswell

Thanks again :)
 
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