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Cache vs clock speed for KSP


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Just a question to the community. Does anybody know which matters more? I would suspect clock speed. I have an AM4 board with a 2700x and am looking to upgrade the CPU. Originally I was going to get a 5800X to replace it (3.8GHz Base, 4.7GHz Boost, 36MB L2+L3 Cache) but noticed the recently released 5800X3D (3.4GHz Base, 4.5GHz Boost, 100MB L2+L3 Cache).

Anyone have any input on the difference between the two? On a possibly relevant note, I frequently play heavily modded installs, currently running through RP-1 at the moment, for example.

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3 hours ago, Curveball Anders said:

In general terms the big thing is raw single-core performance.

I get that but single core performance relies on several factors like clock speed, IPC, and cache. 


I assume IPC should be relatively similar as both CPUs are same series/same architecture. I Just don't know how much the processes in KSP rely on cache. I'm assuming with a bunch of mods the game isn't going to be very efficient and probably will be  bloated in the cache increasing cpu latency. So I figure going for extra cache size would reduce cycles where the CPU has to pull out of RAM. 

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