Memory speed vs Latency... how much of a difference will it make between these two kits?

eddieb101 · Feb 19, 2015

which memory is faster on day to day tasks and gaming (not interested in overclocking memory)

2x4GB DD3 memory running at 1333MHz and CAS-9 or

2x4GB DD3 memory running at 1600MHz and CAS11

I know that speed and latency do kind of cancel themselves out to a certain extent but which kit would you pick and why? Thanks!

Sakkura · Feb 19, 2015

The latencies are nearly the same (13.5ns vs. 13.75ns), so the 1600 kit is faster because of higher bandwidth. It's not going to make a huge difference in games, but a little bit here and there.

Tradesman1 · Feb 19, 2015

I'd go the 1333/9 and run at 1600/10 which is better than the spec 1600/11 of the second set

Sakkura · Feb 19, 2015

Tradesman1 :

That's both higher clocks and lower latency though, not exactly sure you'd get there. Plus the 1600/11 kit could overclock too.

Tradesman1 · Feb 19, 2015

The 1600 with a CL of 11 tends to make one think they are already running on weak memory chips as the bulk of all 1600 is sold at CL/9 which sort of eliminates OCing them

Sakkura · Feb 19, 2015

Well, DDR3-1333 CL9 is also pretty weak. I think the only reason 1333 CL9 is sort of standard is that most kits capable of 1333 CL8 can be rated at 1600 CL10 or even CL9.

Tradesman1 · Feb 19, 2015

Never said it's overly strong, said it compares to 1600/10 vs the 1600/11 as base spec on the other set - those should be expected to run at 1333/10 - 6 of one half dozen of the other the 1333/9 rated sticks are generally stronger than a set rated 1600/11

Sakkura · Feb 20, 2015

1333 CL9 has latency closer to 1600 CL11 than CL10, so it's more like the former than the latter.

Tradesman1 · Feb 20, 2015

The point is, most decent sticks can OC or downclock at 1 step each (data rate and CL) so if decent 1333/9 can OC to 1600/10 where a base 1600/11 set if downclocked would go 1333/10, you appear to be trying to quantify that latency will never change which isn't true

LucoTF · Feb 20, 2015

The choice between the two you've selected is much of a muchness. Either will do.

As stated 1600 / CL9 is the standard though

Tradesman1 · Feb 20, 2015

LucoTF :

_________________

+1

Sakkura · Feb 20, 2015

Tradesman1 :

And you're trying to claim a rule of thumb that there's really no solid support for.

Tradesman1 · Feb 20, 2015

Actually there is, I network with a bunch of other builders and IT folks, not to mention keeping in touch with a number of the manufacturers and what I've said is the general consensus, again when using decent/good sticks. I myself have tested thousands of sticks of DRAM over the years, and try to look into the memory forums as often as possible since it's the probably the least understood component in a rig, a large number of the Best Solutions I've been given in the memory area come from helping people get their memory to work, whether it be to spec, or to OC it or to get mixed sets of DRAM to play.

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Memory speed vs Latency... how much of a difference will it make between these two kits?

eddieb101

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Sakkura

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Tradesman1

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Sakkura

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Tradesman1

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Sakkura

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Tradesman1

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Sakkura

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Tradesman1

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LucoTF

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Tradesman1

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Sakkura

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Tradesman1

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