The i9-13900KS does not support turbo boosting.
The i9-13900KS does not support turbo boosting.
CPU model: i9-13900KS
Motherboard: Asus Z790-A WIFI (DDR5)
Cooler: Arctic Liquid Freezer II 420mm
Performance notes: The processor stays around 3.2Ghz for performance cores and 2.4Ghz for efficiency cores during gaming or Prime-95. It typically operates between 5-6Ghz. I achieved stable temperatures of 42°C at full load. Updated the BIOS and defaulted settings. The only way to unlock higher speeds is via the BIOS “Turbo Mode,” which keeps the CPU running at maximum capacity continuously. Windows 10 power settings are configured for high performance.
Then use Turbo? If that setting fixes the issue, why not just use that setting?
It operates the CPU at peak performance even when idle, maintaining high temperatures.
Restore BIOS to its original settings. Disable XMP and navigate to Windows. Choose a balanced power plan. Verify if normal performance is restored in games. If so, turn on XMP again. Restart and recheck. If everything functions correctly at full speed—especially during light activity—then it’s working properly. Yes, it will increase clock speed when idle but not when actively running tasks. During genuine idle mode it should lower accordingly.
Balanced settings appear to improve stability. By disabling background processes, clocks stabilize around 800Mhz and then rise to 6Ghz each second. Usage increases slightly above 0.5%. This behavior is normal. Regarding turbo mode and Intel Turbo Boost, they are designed to adjust clock speeds dynamically for better performance under varying loads—not just maximum output at minimal demand. Your understanding about Turbo Boost is correct; it aims for optimal speed across different situations, not just peak performance.