this post was submitted on 15 Sep 2023
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Cl16 or cl18 at 3600mhz ddr4 memory (lemm.ee)
submitted 1 year ago by mhz@lemm.ee to c/buildapc@lemmy.world
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Hello everyone, I'm looking to upgrade my system memory, I currently have one kit 2x8gb cl16 3600mhz, I have 4 slot in my motherboard (msi mag mortar 550m wifi).

I found that CL16 kits are priced in the 90-100 euro range (Amazon germany) while the CL18 kits are priced in the 60-75 euro range. So I'm writing wondering if buying a CL18 kit would be downgrade in speed? And whether it would be noticeable or not?

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[–] Kryesh@lemmy.world 1 points 1 year ago

It's a downgrade in speed, but not a massive one. the CL16 or CL18 refers to cas latency which (greatly simplified) - is the number of clock cycles to perform certain operations, so lower is better assuming you're comparing kits with the same frequency. Ryzen chips really like low latency memory, but the difference in performance is only a few percent even with larger differences than the one you're looking at.