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post #21 of 23 (permalink) Old 02-02-2015, 08:08 PM
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Originally Posted by drmrlordx View Post

DDR3-1600 CAS6 or bust! Actually, I had always wanted CAS5, though I've never seen it done before. There should be some kits out there today that can do it.


I've actually got a screen cap somewhere of running my Hypers at 1600 MHz CL4, but they say it's impossible. tongue.gif

Good info here https://www.overclock.net/t/1085742/official-amd-maxxmem-results-rankings/0_20

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post #22 of 23 (permalink) Old 02-03-2015, 05:52 AM - Thread Starter
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Originally Posted by drmrlordx View Post

DDR3-1600 CAS6 or bust! Actually, I had always wanted CAS5, though I've never seen it done before. There should be some kits out there today that can do it.

The problem with that is the amount of money CL6 1600MHz RAM would cost is not worth the gains on a 5 year old platform.
With DDR3 phasing out, it wouldn't be worth getting for your next platform either, unless you go FX series, or socket 1150 intel, which seems pointless right now.

CL8 and 9 do just fine for me. You may see some max FPS increases to the tune of 2 or 3 FPS with lower timings, but min and avg may not even be impacted.
I've tested 1333 CL6, all the way up to 2000 CL10, and so far 1800 CL9 has given me the best bandwitdth, lowest latency, and hardly any difference at all in notable FPS performance.

I also found that running over 2.9GHz NB gave me a performance hit, so it is NOT always the case that higher NB gives better performance.
It is actually relative to the CPU and RAM speed. For 4GHz the sweet spot for me is at 2800+ usually. For 4.2, it's at 3GHz but I can't handle the temps.
I also noticed that 2750MHz NB does better with lower RAM and tighter timings, while the 2925 I run now performs better with the 1800MHz RAM.

I have done A LOT of testing and verified all of this for certain. When you run a chip this old, you get plenty of tinker time biggrin.gif
Still love my thuban too! Goes hard in every game still, and never tops 80% usage even in the newest titles.

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post #23 of 23 (permalink) Old 02-04-2015, 02:39 PM
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Good DDR3-2400 CAS10 kits should do DDR3-1600 CAS6 no problem. Heck my Pi Blacks did it, and they were only DDR3-2200 CAS10 . . . but yeah, kinda pointless to spend money on a Stars setup nowadays unless you're just crazy-go-nuts loyal to the architecture.

Watch this space for future . . . uh . . . stuff! Yeah. That.
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