RAM Latency CL14 vs CL15 vs CL16

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dmvarela2000

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RAM Latency CL14 vs CL15 vs CL16

PostThu Jan 03, 2019 10:43 pm

Hello there! I'm building my Ryzen 1700 PC for 5K motovlogging and I'm stuck with the RAM latencies. "Lower is better" is the most common but in Davinci Resolve what is "better"? 30 seconds? 5 minutes? no difference?
The costs of RAM has skyrocketed and now 32GBs of RAM cost more than the CPU+Mobo+Cooling fans

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MishaEngel

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Re: RAM Latency CL14 vs CL15 vs CL16

PostThu Jan 03, 2019 11:01 pm

Have a look over here https://www.guru3d.com/articles_pages/amd_ryzen_7_memory_and_tweaking_analysis_review,1.html

DDR4-2933 CL16 is about the sweet spot from a price/perfomance standpoint.
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Dan Sherman

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Re: RAM Latency CL14 vs CL15 vs CL16

PostFri Jan 04, 2019 3:25 am

Whats important is true latency, which takes into account CAS Latency and speed.

check out this page for a calculator, lower is better.
https://notkyon.moe/ram-latency.htm


Quad channel DDR4-3200 CL14 is the best memory on the market currently.
X99-A II, 6850K 4.2 GHz, GTX 1070 FE (431.36), DDR4-2400 CL12-14-14 4x8 GB
Win 10 Pro 1809, Resolve Studio 16.1.0b.017
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dmvarela2000

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Re: RAM Latency CL14 vs CL15 vs CL16

PostThu Jan 10, 2019 10:47 am

thanks! But in Davinci Resolve will hace any true impact from CL 16 vs CL16 latency? thanks!!

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Jean Claude

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Re: RAM Latency CL14 vs CL15 vs CL16

PostThu Jan 10, 2019 5:26 pm

Dan Sherman wrote:Quad channel DDR4-3200 CL14 is the best memory on the market currently.


+1

Here 2 X G Skill TridentZ F4-3200C14-16GTZ 16 Go DDR4-3200 DDR4 SDRAM (14-14-14-34 )
+ bios => XMP :)

XMP: only if you know what you're doing :)
"Saying it is good, but doing it is better! "
"When we put idiots on orbit you have not finished turning. I turn..."
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dmvarela2000

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Re: RAM Latency CL14 vs CL15 vs CL16

PostFri Jan 11, 2019 10:20 am

dmvarela2000 wrote:thanks! But in Davinci Resolve will hace any true impact from CL 16 vs CL16 latency? thanks!!

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err I meant CL14 vs CL16?

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dmvarela2000

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Re: RAM Latency CL14 vs CL15 vs CL16

PostFri Jan 18, 2019 11:11 am

thanks! But in Davinci Resolve will hace any true impact from CL 14 vs CL16 latency? thanks!!
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MishaEngel

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Re: RAM Latency CL14 vs CL15 vs CL16

PostFri Jan 18, 2019 1:17 pm

dmvarela2000 wrote:thanks! But in Davinci Resolve will hace any true impact from CL 14 vs CL16 latency? thanks!!


Yes about 5..6%
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Dan Sherman

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Re: RAM Latency CL14 vs CL15 vs CL16

PostFri Jan 18, 2019 3:48 pm

dmvarela2000 wrote:thanks! But in Davinci Resolve will hace any true impact from CL 14 vs CL16 latency? thanks!!


The theoretical difference between Cl14 3200 & cl16 3200 is 12.5%. How much of that 12.5% you will see will depend on to many factors to give a definitive number.
X99-A II, 6850K 4.2 GHz, GTX 1070 FE (431.36), DDR4-2400 CL12-14-14 4x8 GB
Win 10 Pro 1809, Resolve Studio 16.1.0b.017
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dmvarela2000

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Re: RAM Latency CL14 vs CL15 vs CL16

PostFri Jan 18, 2019 4:04 pm

Dan Sherman wrote:
dmvarela2000 wrote:thanks! But in Davinci Resolve will hace any true impact from CL 14 vs CL16 latency? thanks!!


The theoretical difference between Cl14 3200 & cl16 3200 is 12.5%. How much of that 12.5% you will see will depend on to many factors to give a definitive number.
thank you both for the answers :) In mostforums you only find gaming stuff but NONE about video editing

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