What's faster DDR3 vs DDR4?

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traviselindgren

Feb 14, 2018
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I have an Asus Rog Maximus VII mother board with "F3-3200c13q-16gtxdg" it's G.Skill Trident X DDR3 CL13-15-15-35-2N

Vs

My Brother Asus Rog Crosshair VI with "F4-3200C14D-16GTZRX" G.Skill Trident Z RGB DDR4 3200MHz CL14-14-14-34

My question is CL13 vs CL14 = CL13 is faster? Even if it's DDR3 same 3200MHz clock speeds DDR4 3.2GHz?

 
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Darkbreeze
Not a lot of net gain either, at least, not with modules that are still within comparable clock speeds. As manufacturers have gotten past the speeds that DDR3 could ever achieve, and start getting latency down a bit, we'll likely see those gains, but for now, I'm still waiting for the big jump in memory performance we've been hearing about for the last few years.

So far, I've not really seen any compelling evidence that DDR4 is any better, just that it's necessary because that's what they've forced us to use if we want platforms that aren't four years old.

Also, those really fast modules that practically make latency unimportant, usually aren't achievable on most systems. You need a really good board, a solid CPU and most generally...
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Solandri

Solandri

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Jan 4, 2012
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DDR4 has some other improvements which help offset the increase in latency. Anandtech ran benchmarks with DDR3-2133 CL11 vs DDR4-2133 CL15 and they came out very closely matched.

https://www.anandtech.com/show/8959/ddr4-haswell-e-scaling-review-2133-to-3200-with-gskill-corsair-adata-and-crucial/8

DDR4 is kind of a sideways step. We're approaching the technical limitations of DDR3 in terms of bandwidth and density. DDR4 will allow us to produce memory with higher bandwidth and higher density than what DDR3 is capable of. The increase in latency is unfortunate, but the other improvements DDR4 brings seems to more or less offset it so there's no real net loss in performance.
 
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Darkbreeze

Darkbreeze

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Jun 24, 2014
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Not a lot of net gain either, at least, not with modules that are still within comparable clock speeds. As manufacturers have gotten past the speeds that DDR3 could ever achieve, and start getting latency down a bit, we'll likely see those gains, but for now, I'm still waiting for the big jump in memory performance we've been hearing about for the last few years.

So far, I've not really seen any compelling evidence that DDR4 is any better, just that it's necessary because that's what they've forced us to use if we want platforms that aren't four years old.

Also, those really fast modules that practically make latency unimportant, usually aren't achievable on most systems. You need a really good board, a solid CPU and most generally, some fine tuning of the memory plus a CPU overclock to get there most of the time.

Regardless, those two sets of memory are so closely matched that it would likely take a synthetic benchmark to determine in difference in performance, and even then it would likely be minimal, unless one was in dual channel and the other was not.
 
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