Question About Corsair RAM

Smoke2049

New member
Ok , i want to know what the difference is between corsair c9 and c10 ram , i can see the timings are different is that it ? Or is their any hardware difference?
And just before anyone posts that u wont see any real world difference that is not the point of the question.
 
I peered very closely at their website when I bought some recently and I found out that if you select 'tech specs' and scroll down the same distance in two tabs, you can go from one kit to an equivalent with one CAS difference and literally see only the 'tested latency' change while 'SPD Latency' remains the same.

Then looking in their overview:

Dominator Platinum memory modules are assembled using a “best of the best” IC screening process. Individual ICs are hand-screened to our highest performance threshold, and then the assembled modules undergo more rounds of rigorous screening and stability testing. The result is reliable performance under extreme pressure.
or (for XMS)

  • Specially selected RAMs for overclocked performance

So I would assume that if the C number is the only difference you see in the details, it's literally the only difference, and implies these ones got a better result in some test(s) after they were made. So I think in those cases it's like a rating of how lucky they got in the manufacturing process. Unless I've just read it wrong or something.
 
Lol

CPU - i7 3930k
Mobo - Big Bang X Power II
RAM - ?
PSU - HX -1050 V2
GPU/s - 2 x GTX 680 Sig II in SLi
- 1 x GTX 650 SC (Dedicated PhysX)
Chassis - Cosmos 2
SSD - Neutron GTX 240gb

16gb kit 2133mhz corsair platinum
 
The C number seems to be taken directly from the results they get, like:

CMD16GX3M4A2800C11 = Tested Latency 11-14-14-35 ($839.99)
CMD16GX3M4A2800C12 = Tested Latency 12-14-14-36 ($729.99)

I guess we know which one Corsair thinks is better. However, sort their store by speed and it seems that overall, less latency = lower MHz, and lower price. So between otherwise identical things, a lower Tested Latency is better (they all seem to have the same SPD Latency in the Dominator Platinum section), but at the same time they seem to be suggesting we look at MHz and GB first, by rather a lot.

Not that I know anything about latency in RAM, this is just what I gather from Corsair's pricing strategy. ^_^

Naturally, I'd not suggest you actually pay anything like $110 for the odd spare nanosecond unless you bathe in money, and I'm unsure you'd ever perceive the difference between something like these examples...
 
don't quote me on this but from what i've heard an amd system don't really care much about the latency and are all about the frequency while intel runs better with a good mix.
 
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