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Is my ram bottlenecking my i9-13900k with z690-P d4 (alien.top)

submitted 11 months ago by [email protected] to c/[email protected]

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I currently have 3200 MHZ CL16

Would I see 10-20% fps increase if I upgrade to 4000MHZ CL18?

I know my ram is definitely bottlenecking because on an extremely cpu and ram intensive game I get 90 fps on 3200 mhz but when I push it to 3600 MHZ I get 120 fps

I’m just wondering with the shitter timings of a CL18 would I see a significant difference between 4000mhz cl18 and 3600mhz c16 the way I do when I over clock my 3200 to 3600

If that makes sense.

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[–] [email protected] 1 points 11 months ago (1 children)

3200MHz CL16 is exactly the line where you should be fine. I assume you have 2x8GB, right? Which game did you notice an improvment when pushing to 3600MHz? You may also gain/lose a few percent if you put them in the correct/wrong slots - look in your mainboard manual if you are unsure.

[–] [email protected] 1 points 11 months ago (1 children)

No 64GB

4x 16

Escape from Tarkov

[–] [email protected] 1 points 11 months ago

Ah ok, so definitely enough and all slots filled :)

Any benchmark I have seen for the i9-13900k showed good improvements up to 3200MHz (CL16) but only little beyond that. The fastest DDR5 RAM in games is usually <10% faster than mediocre DDR4 RAM.

Regarding Tarkov I saw in detail tests with other CPUs where RAM speed did not really matter - well beyond 3200, there is a Reddit post from someone increasing it from 2133 which helped him a lot (in line with what I saw and wrote before).