Looking for advice on over-clocking the Aorus Z390 Master with i9-9900K.
Looking for advice on over-clocking the Aorus Z390 Master with i9-9900K.
The BIOS setup on these boards, although thoughtfully designed, complicates manual over-clocking. Do you know any good guides or information about overclocking these systems? I’m near the upper limit of my CPU’s performance, yet I’m not experiencing throttling. My maximum temperatures for each core remain at 87°C even after an hour of stress using AIDA64. I feel like there’s still something missing from my setup.
Initially, at 87°C you are already 7°C beyond the suggested maximum temperature for any Intel Core-I processor. Check the Intel temperature guide.
Intel temperature guide by Computronix
Regarding thermal testing, Aida is essentially ineffective since it does not align with actual thermal design power requirements.
Initially, at 87°C you are already 7°C beyond the suggested maximum temperature for any Intel Core-I chip. Consult the Intel temperature manual.
The Intel thermal chart is largely ineffective for assessing heat performance since it doesn’t align with real thermal design power requirements.
Here’s a straightforward summary of how to check thermal compliance and stability during an overclock attempt.
Adjust CPU multiplier and voltage in BIOS to your desired values. Avoid presets; manual tuning is preferable. Leave remaining settings on auto until you’re ready to fine-tune cache frequency, system agent voltage, VCCIO, and memory speeds or timings after the CPU has stabilized.
Save your BIOS configuration (creating a new profile if supported) and exit.
Launch the Windows desktop and install Prime95 version 26.6. Install HWinfo or CoreTemp.
Use HWinfo to view sensors only or open CoreTemp.
Execute Prime95 (version 26.6 only) with the "Small FFT test option" for 15 minutes, keeping an eye on core and package temperatures to ensure they stay within CPU limits (generally around 80°C for Intel and current Ryzen models). For older AMD FX and Phenom chips, use a thermal monitor with "Distance to TJmax" settings and aim for no drop below 10°C. Anything exceeding this is outside the safe thermal range.
Should your CPU pass the thermal check, proceed to stability testing.
Download and install Realbench. Select the Stress test option and pick a memory size roughly half of your installed RAM (e.g., 8GB from 16GB). Start the test for 8 hours without using the system otherwise. This will simulate real-world workloads and validate stability.
If successful, consider extending the test with Prime95 Blend mode or Small FFT for additional insights.
Real-time monitoring of HWinfo is not required while running Realbench; it should already confirm compliance.
For further stability verification, run 12-24 hours in Blend or Small FFT modes. You can skip HWinfo during these sessions as it’s redundant with the thermal compliance check.
Should any instability arise during testing—whether from Prime95, Realbench, or another tool—adjust BIOS settings (lower multiplier or increase voltage) and restart the process. Reassess thermal compliance if needed.
For more detailed guidance, refer to beginner-friendly CPU overclocking resources and the specific Z390 overclocking guide available online.
I don't like overclocking... at all. I value the energy but software doesn't really use much of it (my view). I'd focus more on your graphics card or SSD if you want better performance. I'd check your chipset and its capabilities there. Keeping a CPU overheated just to gain a few percentage points is costly and annoying, making the issue even harder.
I understand that not everyone can afford to purchase a new computer system... in my view, upgrading too quickly can turn into a frustrating experience and usually creates more issues instead of solving them. I would never take that path.
He has a 9900k, if you even glanced at his title or later updates, it stays the same and rarely rises beyond that. That’s why overclocking is essentially the only way to improve performance with his setup. Contrary to what some claim, which often sounds like a waste of time, especially for systems already equipped with good aftermarket cooling, any performance boost from overclocking is mostly free. I don’t see a valid reason to ignore it unless you’re using a low-quality motherboard or lacking enough cooling, and even then, only as long as you avoid pushing it too far before thermal issues or wear set in.
Thank you for your feedback. I'm trying to understand why you're here given concerns about over-clocking. It seems like thermal throttling is the likely cause, not a power problem. I have several possibilities to consider... I just need to weigh the options and decide if proceeding that way is acceptable or if staying in the current state would be better.