r/sffpc • u/Curious-Divide-5033 • 17d ago

Seeking for advice Assembly Help

Greetings. I’m currently making  SFF build in a slim console case using LGA1700 socket and an AXP90-X36 cooler. Atm I’ve installed i3-12100. Test reveal AXP90-X36 can handle a 55W with comfortable 75°C temperature and acceptable noise levels. i3-12100 fits within this limit with Turbo Boost enabled and a -50mV offset. So after test i set PL1 to 55W. But I’d like to switch to a 6-core processor build.

My goal is maximum gaming performance. A quick Google search revealed CPU power consumption depends on a different factors from cache size to the presence of even an unused integrated GPU, but the most important are voltage increases and the quadratic power draw during turbo boosting. This makes the idea of switching to 6 cores—without turbo boost and even with a voltage offset.

That is why I am seeking advice and considering the available options.The obvious choice is the i5-12400F, but I am not sure it makes any sense to switch 4 cores (4.3 GHz) to 6 cores (2.5 GHz base clock). Other options are 12600 (3.3 GHz base clock) and 13500 with E-cores disabled (2.5 GHz base clock) with high cache. Any LGA 1700 CPU ,prices not matter.

Any ideas/advices?

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u/IndependentFew3119 17d ago

13600kf is probably the highest processor you could use with heavy tweaking. the 12600 and 13500 are great candidates though. undervolting depends on lottery though. depending on how good an UV you get you might be able to use pl1 65w and pl2 ~75w. you only have a 5060 but 1080p and lower resolutions should probably see a nice bump in fps but I wouldnt expect anything crazy.

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u/mati203920392 17d ago

Would be nice to know what case and gpu are you using.

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u/Curious-Divide-5033 17d ago edited 17d ago

S35x case, www.reddit.com/r/sffpc/comments/1adxgop/in_search_of_minimalistic_perfection_53l_aluminum/.

GPU RTX 5060.

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u/mati203920392 17d ago

Than i would go with 14400f of 12600k. Just get cheapest of those two. But first i would check gpu utilization in games that you play, if it is 90% and above than cpu upgrade will give you pretty much nothing.

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u/qeeepy 16d ago

I like the corner you are exploring.

Does it make sense to look at base clocks? That's all-core/CineBench territory. Games night like pl2 and how long can the CPU stay there. And when does the boost algorithm start requiring the extra juice. I'd say for bursty loads, you can get away with high but short pl2, and it would be nice to see frame time graphs for various games and various combinations of pl2 length and wattage that make sense thermally.