CPU overclocking help
CPU overclocking help
I'm attempting a moderate overclock on my i5 6600k and aiming for around 4.4-4.5. This is my first overclock attempt, so I'd really appreciate some guidance. Please share links to helpful videos and articles.
Specs:
CPU: i5 6600k
Motherboard: Asus z170 p
Cooler: Hyper 12 Evo
Operating System: Windows 10
I have several questions and feel a bit overwhelmed by the BIOS/UEFI.
1. Are there any settings I need to disable or adjust during overclocking? I suspect some Asus Turbo features might be active, but I'm not sure what to check.
2. What are the recommended stock and safe overclock voltages?
3. Should I enable all cores to sync or should I set them individually?
4. From what I've read, it's better not to increase the clock frequency beyond 1 GHz from the stock 800 MHz, is that correct?
5. What stress tests, monitors, and other software are suggested before starting? I was considering Prime95 but thought it might be too intense and had concerns about potential system damage. It seems to have some bugs that could cause issues, so should I avoid it? I currently use Hardware Monitor and Cinebench.
I'll post any screenshots people might need to reference.
A simple method exists for this. (depending on your CPU cooler.)
Keep your load temperature below 80 degrees Celsius. (not extremely risky, but instability appears above 80)
Install the Intel Extreme Tuning Utility.
Run the "Stress test" function, let it run for a few hours.
During the test, you can gradually increase the CPU speed and observe when it becomes unstable, rather than repeatedly stopping and starting the test.
While the stress test is active, you'll be able to view maximum temperatures, stability, and frequency in the chart at the bottom left.
You might begin by adjusting the core voltage on the CPU control to 1.15—this isn't very high, but it's a solid starting point...
There isn't a single standard method that works for every CPU, as each one supports different frequencies and voltages (the voltage range for each Intel CPU is listed on its retail box). The goal is to raise your 3.5Ghz to around 4.5Ghz, which isn't straightforward. However, you should avoid changing the voltage setting to "auto" because it can sometimes lead to excessively high values.
I have an i5 6600k with ASUS Z170 Pro gaming setup, and I easily boosted the CPU to 4.6ghz using a voltage of 1.320.
All you need to do is in Ai Tweaker, enable Ai Overclock Tuner, set XMP mode and BCLK Frequency to 100.00.
Then adjust the CPU Core Ratio to Sync All Cores, keeping the Core Ratio Limit at 44 or 45 for a target of 4.4 or 4.5ghz.
Change the CPY Core/Cache Voltage to manual mode and apply a 1.300 setting for the CPU Core Voltage Override.
Once done, save these configurations and restart your computer to verify the results.
A simple method exists for this process. (depending on your CPU cooler.)
Your goal is to keep the load temperature below 80 degrees Celsius. (not extremely risky, but instability becomes likely above that point)
Install the Intel Extreme Tuning Utility.
Run the "Stress test" function, let it operate for several hours.
During this time, you can gradually increase the CPU's overclock until it becomes unstable, rather than repeatedly stopping and starting the test.
While the stress test is active, you'll be able to view maximum temperatures, stability, and frequency in the chart located at the bottom left.
Begin by adjusting the core voltage on the CPU control panel to 1.15. This isn't a high value, but it serves as a solid starting point.
Increase the core voltage slowly in steps of 0.05, such as 1.15 → 1.20 → 1.25, and so on.
Continue this process until your CPU reaches a stable temperature around 60 degrees Celsius.
If you're unfamiliar with overclocking, avoid exceeding 1.3 volts.
Once your temperatures are normal, raise the core clock speed by adjusting the slider to increase the frequency by one ratio for all cores (4 active cores).
Repeat this until your system becomes unstable again.
Watch the temperatures closely; higher clock speeds also raise heat generation.
Recall the voltage/ratio you used before the crash, then reapply those values but with a reduced multiplier for stability.
Run the stress test once more.
Then gradually lower the voltage until the PC crashes once more.
Increase the core voltage by 0.15 and you should achieve stability near the highest safe thermal limit for your cooling solution.
Sometimes games may strain the CPU differently, leading to crashes or blue screens. If this occurs, a small adjustment of 0.05 to the core voltage can resolve the issue.
If you encounter problems, consider fixing your CPU's cache/ringbus ratio back to its original setting; an "AUTO" cache setting might trigger overclocking unintentionally.
For example, my cache ratio is 39x and my core ratio is 50x—both behave differently under stress.
A simple method exists for achieving this. (depending on your CPU cooler.)
It's important not to let your load temperature exceed 80 degrees Celsius. (not extremely risky, but instability becomes likely above that).
Download the Intel Extreme Tuning Utility.
Run the "Stress test" function, set the duration to several hours and allow it to complete.
During this process, you can gradually increase your CPU's core voltage in steps of 0.05, starting from 1.15 up to 1.30, until you reach a stable temperature around 80°C.
If you're unfamiliar with overclocking, keep the voltage at or below 1.3 volts to avoid instability.
Once your temperatures are within normal ranges, raise the core clock speed by adjusting the slider for all cores (four active cores).
Continue this until your system becomes unstable.
Monitor the temperatures closely; increasing the clock speed also raises heat generation.
Keep in mind the voltage/ratio you used when the crash occurred, then reapply those values but with a reduced multiplier for stability.
Repeat the stress test.
Then gradually lower the voltage until the PC crashes again.
Increase the core voltage by 0.15 and you should achieve stable performance within the limits of your cooling solution.
Occasionally, games may strain the CPU differently, leading to crashes or blue screens. If this happens, a small adjustment of 0.05 in the core voltage can resolve the issue.
If problems persist, consider fixing your CPU's cache/ringbus ratio to the default setting—an "AUTO" mode might trigger overclocking unintentionally.
For example, my cache ratio is 39x and my core ratio is 50x; both behave differently under stress.
I have a superior cooler, and during stability tests it consistently stays below 80°C. I’ve also used the same cooler, but it only reached about 55°C.