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3600mhz CL18 20-20-40 or 3200mhz CL16 18-18-36

JayBe
By JayBe
in CPUs, Motherboards, and Memory
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Go to solution Solved by GoldenLag,
Just now, JayBe said:

 

so the better choice would be to go for the 3600 MHz, if i understood that  correct? :D
 

yes. if you arent looking for specific ICs. which it doesnt seem like you are

Posted

Hey guys,

 

just wanted to ask a quick question, the topic pretty much sums it up.
I wanted to upgrade my RAM, since i currently have 16GB 4400 MHz Patriot Viper Steel (paired with a Ryzen 5 3600x, dont ask me what i smoked the day i bought that...) to 32 GB.
But since i dont know anything about that CL thing other than "less is better", i thought i ask the pros

 

The choices i currently have are:
Patriot 32 GB DDR4-3600 with CL 18 20-20-40 (PVS432G360C8, Viper Steel)
Corsair 32 GB DDR4-3200 Kit with CL 16 18-18-36 (CMW32GX4M2C3200C16, Vengeance RGB PRO) or Corsair 32GB DDR4-3200 Kit (CMK32GX4M2B3200C16, Vengeance LPX since RGB isnt actually needed)

So the actual question is: is it worth it to have 400 Mhz less, but a slightly better CL? Or is the other way around better?

as always, thanks in advance!

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3 minutes ago, JayBe said:

So the actual question is: is it worth it to have 400 Mhz less, but a slightly better CL? Or is the other way around better?

unless you need specifically need speed. latency wise they are the same. 

 

so for most tasks you wont find any notable difference between them. 

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4 minutes ago, GoldenLag said:

latency wise they are the same. 

No there is huge difference one is CL16 and other CL18(not the same)

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1 minute ago, Abdullah Bhutta said:

No there is huge difference one is CL16 and other CL18(not the same)

you know latency has 2 components right?

 

speed and timings. 

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16 minutes ago, JayBe said:

Hey guys,

 

just wanted to ask a quick question, the topic pretty much sums it up.
I wanted to upgrade my RAM, since i currently have 16GB 4400 MHz Patriot Viper Steel (paired with a Ryzen 5 3600x, dont ask me what i smoked the day i bought that...) to 32 GB.
But since i dont know anything about that CL thing other than "less is better", i thought i ask the pros

 

The choices i currently have are:
Patriot 32 GB DDR4-3600 with CL 18 20-20-40 (PVS432G360C8, Viper Steel)
Corsair 32 GB DDR4-3200 Kit with CL 16 18-18-36 (CMW32GX4M2C3200C16, Vengeance RGB PRO) or Corsair 32GB DDR4-3200 Kit (CMK32GX4M2B3200C16, Vengeance LPX since RGB isnt actually needed)

So the actual question is: is it worth it to have 400 Mhz less, but a slightly better CL? Or is the other way around better?

as always, thanks in advance!

 

1 minute ago, Abdullah Bhutta said:

No there is huge difference one is CL16 and other CL18(not the same)

CL is measured in clock cycles. Both sticks have the same latency. The 3600 MT/s kit is preferable.

Main: AMD Ryzen 7 5800X3D, Nvidia GTX 1080 Ti, 16 GB 4400 MHz DDR4 Fedora 38 x86_64

Secondary: AMD Ryzen 5 5600G, 16 GB 2667 MHz DDR4, Fedora 38 x86_64

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Home Laptop: Intel Core i5-L16G7, 8 GB 4267 MHz LPDDR4x, Windows 11 Home 22H2 x86_64

Work Laptop: Intel Core i7-10510U, NVIDIA Quadro P520, 8 GB 2667 MHz DDR4, Windows 10 Pro 22H2 x86_64

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Just now, GoldenLag said:

you know latency has 2 components right?

 

speed and timings. 

but if you take the latency separately its a huge difference

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1 minute ago, svmlegacy said:

 

CL is measured in clock cycles. Both sticks have the same latency. The 3600 MT/s kit is preferable.

yeah, latency is the same. which for a lot of tasks is what matters. 

 

chance is that you can overclock the 3200mhz to 3600mhz by lowering the timings. 

 

1 minute ago, Abdullah Bhutta said:

but if you take the latency separately its a huge difference

?

 

latency is a product of timings and speed. 

 

speed having the benefit of increasing bandwidth. which depending on the workload can help. 

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2 minutes ago, GoldenLag said:

chance is that you can overclock the 3200mhz to 3600mhz by lowering the timings.

but wouldnt that have the same result to what the 3600 mhz already has?

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2 minutes ago, GoldenLag said:

chance is that you can overclock the 3200mhz to 3600mhz by lowering the timings. 

*Raising timings
Yes, and the 3600 kit also likely has headroom, if OP is into OC'ing.

Main: AMD Ryzen 7 5800X3D, Nvidia GTX 1080 Ti, 16 GB 4400 MHz DDR4 Fedora 38 x86_64

Secondary: AMD Ryzen 5 5600G, 16 GB 2667 MHz DDR4, Fedora 38 x86_64

Server: AMD Athlon PRO 3125GE, 32 GB 2667 MHz DDR4 ECC, TrueNAS Core 13.0-U5.1

Home Laptop: Intel Core i5-L16G7, 8 GB 4267 MHz LPDDR4x, Windows 11 Home 22H2 x86_64

Work Laptop: Intel Core i7-10510U, NVIDIA Quadro P520, 8 GB 2667 MHz DDR4, Windows 10 Pro 22H2 x86_64

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1 minute ago, JayBe said:

but wouldnt that have the same result to what the 3600 mhz already has?

indeed it would. 

 

the only point i was making, binning wise they are pretty much the same. 

 

1 minute ago, svmlegacy said:

*Raising timings
Yes, and the 3600 kit also likely has headroom, if OP is into OC'ing.

yeah raising timings, my bad. 

 

they probably have similar headroom. tho that depends a bit on the IC. 

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45 minutes ago, svmlegacy said:

Yes, and the 3600 kit also likely has headroom, if OP is into OC'ing

 

42 minutes ago, GoldenLag said:

they probably have similar headroom. tho that depends a bit on the IC. 

so the better choice would be to go for the 3600 MHz, if i understood that  correct? :D
 

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If your question has been solved, please mark the thread as solved by choosing the answer that has helped you the most as the correct/solving one.

 

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Just now, JayBe said:

 

so the better choice would be to go for the 3600 MHz, if i understood that  correct? :D
 

yes. if you arent looking for specific ICs. which it doesnt seem like you are

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26 minutes ago, GoldenLag said:

yes. if you arent looking for specific ICs. which it doesnt seem like you are

Thanks tho :)

Remember: If you want me to see your reply - Quote me!

 

If your question has been solved, please mark the thread as solved by choosing the answer that has helped you the most as the correct/solving one.

 

Please also use appropriate titles. Titles should be a short description of your situation to get people interested in looking at your thread. Titles such as "help" or "i have a problem" (etc.) will only lead to you getting less to zero help, cause people won't be able to tell what this thread is about and therefore don't bother looking into it.

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