Rinse and repeat until you find a stable voltage with no errors. If after 5 runs there are no errors, remove some voltage and rerun the tests until an error shows up. If any errors show up, add a little more voltage to both the core and cache, and repeat the 5x run. Run TS bench at 16 threads, 1024M 5x in a row to look for errors. Even going through the application performance results with a fine toothed comb, you can see that setting the power limits to 190/190W on a 12900K hardly loses any performance, but obviously needs 50W less power than the default 241/241W under very taxing theoretical load.Enable CoolerBoost to remove/reduce thermal throttling as a variable. What this shows is that Intel chose the 241W MTP limit mostly to look good in the launch reviews. The sweet spot is near 125 W, I'd say, but it also depends on the application." Of course, such low limits will drastically reduce performance-you're trading longer runtime for lower overall power usage. The most energy-efficient configuration turns out to be 75 W, which would make the Core i9-12900K the second most efficient CPU in our test group, only beaten by the Ryzen 9 5950X. At 190/190, the 5600X can no longer keep up. While the default 241/241 configuration is less efficient than all Zen 3 CPUs, the Ryzen 7 5800X is beat as soon as you go below the 200 W limit. "We also looked at power consumption and efficiency at these TDP limits and found that there's A LOT of efficiency to be gained at lower power limits. This becomes clear when you read tests like this: In other words, as per usual in recent years, the higher-up CPU models are pushed quite far by default, and for the last little uplift in final performance, draw more power than necessary. Intel's only goal was to beat AMD in reviews when defining the Maximum Turbo Power / Power Limits, not to set a sweet spot that allows for the highest efficiency. The more sensible approach would be to actually go the opposite way: Lowering the power limits to make the CPU more efficient. Because if Intel could've squeezed more performance out of it without incurring huge additional penalties, they would've done so, you can be sure of that. Any attempt to go beyond that will make the power consumption skyrocket, without doing hardly anything for performance. It is a highly factory-tuned CPU model which is on the absolute extreme end of the voltage-per-frequency curve and the achievable frequencies of that silicon already. Note that with any kind of tuning (or to use the proper term, overclocking) of a 12900K, you will be losing the last bit of efficiency that this CPU posessed. But it seems you are still you are still using some kind of MSI tuning software now. They mess with your power plans and everything. I agree that the "Center" tools from MSI are no good. What you want to use is something like HWinfo64 which can read it out properly. For example, the task manager is completely hopeless for that. You also have to be careful with how you check the maximum CPU frequency. So there is no chance in games to see the maximum turbo frequency. Two P-cores loaded and it goes down by 100 MHz, four P-cores loaded another 100 MHz, and 6 P-cores loaded it's 4.9 GHz max.Ī modern game will never load just one core, obviously. Only with single-core load on a P-core do you get the maximum turbo frequency of 5.2 GHz. It depends on how many cores are loaded by how much, on the temperature, on the power limits, and so on. The CPU frequency changes all the time, due to the different turbo modes. I think you have a misunderstanding of how today's CPUs work. So just a heads up ladies and gentleman as you probably know by now has taken me weeks of testing to find it GGGGRRRR MSI I have true colour and gameing mode core tuner (meg aio software ) and Mystic Lights thats it now and i have everything working as intended I need MSI CENTER installed to control my MEG 360 AIO cooler and fans and see the displays on it Im saying install what u need thats it as it isnt very good at all I uninstalled all versions went to dragon center works as intended no slow down so i had to install and test 1 software piece at a time i found a few other bugs in the way so What it was is this MSI Center Crap user scenario to ajust the best performance and settings for my PC when it needed to I would uninstall stuff restart and all is good again till next gaming sessionĮven updated bios settings and Bios versions there hit and miss as well but we wont go there this time I load a game and it would slow down to 4.7, 4.8 ghz very frustrating and feel lazy slow Well what can i say MSI center is a Piece of crap yes i went there i have been checking and struggling to find out WHY my i9 12900k on my Z690 Carbon wifi ddr5 with 5200mh kingston fury Ram would start of at 5.1ghz
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