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Is it worth to buy faster ram on AM3?

post #1 of 10
Thread Starter 
Hi,

iam using 1333 2x2GB 9-9-9-24-1T @ 1420MHz, it is unable to OC. Is it worth to buy let's say 1800MHz instead? My mobo supports up to 2000MHz (when OC), thatz what it says ;p.

Would i notice any difference?
post #2 of 10
Nope, only if you were benchmarking.
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post #3 of 10
Yes, they are super cheap right now. Definitely minor improvement though. You can get 2x4gb 1666 MHz for $60 or 1866 MHz for $70 right now.

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post #4 of 10
Well you can try to run the ram at a tighter timings. Unless you want to go for 8GB+ ram, then you can buy faster ones.
    
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post #5 of 10
If you're talking more size than yes but more speed won't really be noticeable
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post #6 of 10
Quote:
Originally Posted by Scrappy View Post
If you're talking more size than yes but more speed won't really be noticeable
Scrappy is correct, increase size will improve but increase clock will not very much or at all.

Reference:
http://www.tomshardware.com/reviews/...i7,2325-7.html

For gaming, the improvement is about <1 frame.
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post #7 of 10
Thread Starter 
Ok, so i'm staying on my current ones. Guess my CPU doesn't really need faster ram. It is ****ty ram, as i said, it cannot run at any tighter timings than stock :|.
post #8 of 10
Quote:
Originally Posted by gchou View Post
Scrappy is correct, increase size will improve but increase clock will not very much or at all.

Reference:
http://www.tomshardware.com/reviews/...i7,2325-7.html

For gaming, the improvement is about <1 frame.
RAM performance scaling on LGA1366 is totally different. Ignore the link.

Now personally I find on AM3 plaform that the performance (bandwidth to latency) sweet spot is at 1600Mhz, regardless of timings. Any lower will have a significantly lower bandwidth (even DDR2 sometimes), while any higher does not have too much of a benefit. Most generic 1333 @ 9-9-9 or 1066 @ 7-7-7 will hold back bus clock OCs due to inability to OC (due to low binning due to generic standard). RAM bandwidth benefit is somewhat more visible on the AM3 platform, however it depends on the circumstances. If you run RAM-intensive and bandwidth-intensive apps such as video editing, you will see quite a benefit. If you run an SSD or other form of storage that requires increased communication through RAM, again you will see benefit. Gaming will also see an improvement of more than a couple FPS but nothing totally out of the ordinary. Gaming prefers lower timings on pretty much all platforms.
Edited by xd_1771 - 7/31/11 at 2:25pm
post #9 of 10
http://www.newegg.com/Product/Produc...82E16820231303 is 1600mhz at 7-8-7-24 stock timings @ 1.65v. Also $40 with free shipping after a discount code. I just ordered a set myself.
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post #10 of 10
Thread Starter 
Please, choose me something avaiable from here http://www.x-kom.pl/c/28-pamieci-ram.html up to "300PLN" (but 200 would be much appreciated ;p). I dont really take into account the brand, so it could be patriot, corsair as well as adata or geil. It would be better to have 2x4GB and 1600MHz as xd_1771 said (with possible low latencies)

that's looks fine http://www.x-kom.pl/p/62548-pamiec-d...l9-2x4096.html for example... (1866 CL9 ---> 1600 CL8/7?)

Thanks guys!
Edited by kbzium - 7/31/11 at 11:51pm
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