Yes, overclocking headroom has receded as the Intel vs AMD rivalry has intensified and the chipmakers focus on squeezing out every ounce of performance, particularly in the highest-end flagship processors. On the other hand, I feel there is still a software defect worth investigating, since I had no issue with the earlier XTU 6.3.0.35.Do you want to know how to overclock your CPU? If so, this guide is for you, with all of the necessary details on how to overclock your Intel or AMD CPU.Ĭontrary to innumerable reports of its demise, overclocking is not dead - not by a long shot. On one hand, I have found a workaround for the issue, as I can boot without power limits and then impose them later at the OS layer.
The parameter I am adjusting in XTU is called "Turbo Boost Power Max." I have tried two different ways to get power limits set on boot on my motherboard, I can either change the "CPU frequency" to "AUTO" or explicitly set PL1 in "CPU Internal Power Management." In both cases, XTU is unable to change the power limit after booting.
However, if the system boots with a power limit initially configured, then XTU versions other than 6.3.0.35 are not able to change the power limit. In this state, I was able to use XTU to set the power limit to 140 W and also to clear it again. In the default (factory reset) state, my ASUS X299-A (BIOS 0402) boots with the power limits disabled (set to 4 kW). However, regarding BIOS settings, I did find something of importance in reproducing this issue. I used the XTU 6.3.0.56 that you linked and did not see any difference. When I use the earlier XTU 6.3.0.35 from ASUS, the power consumption in LINPACK is observed to reach 170+ W, and the frequency remains at the maximum turbo frequency. However, when I run a stress test like Prime95 v28.10 ("Small FFT") or Intel Math Kernel Library Benchmark ("linpack/runme_xeon64.bat"), the package TDP in the XTU monitor never exceeds 140 W, and the frequency is reduced.
Unlimited Turbo Boost Short-Term Power MaxĪfter I apply these settings, the XTU UI shows the new values. Using Intel XTU version 6.3.0.54 from Download Center, I change the parameters to: no overclock), set processor frequency to Auto.Īfter this state, XTU reports these default configurations: (0b) In BIOS, enable SVID (for power limit readings), disable ASUS MultiCore Enhancement (i.e. (0b) Reset BIOS to default configuration. (0a) ASUS PRIME X299-A in out-of-box condition, updated to BIOS version 0402. These are the steps I used on my hardware:
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