Gigabyte Z690 AORUS MASTER Manuel utilisateur

Chapter 1: Intro

Intel i9-12900K Overclocks to above 5GHz on Z690 AORUS Boards

We are very excited to see that the new CPUs come with some amazing changes. The 12900K

features a hybrid core technology with a combination of high-performance and high-efficiency cores.

This combination promises better multi-core performance but higher single-performance too. The

new processors require a new 600-series motherboard to work. The Z690 motherboards feature the

new PCI-e 5.0 interface and they introduce the DDR5 memory technology as well.

Yes, 5+ GHz is still possible and 12th Gen. CPUs want to maintain the title of being the king for

hardcore gaming!

GIGABYTE AORUS Z690 Guide to Overclocking Intel

12th Gen. CPUs to 5GHz+

Beginner FAQ

What is overclocking?

Overclocking refers to pushing your computer components harder and faster than the

manufacturer designed them to go. CPUs, video cards, and memory often have the capability to

run faster than their rated speeds and overclocking takes advantage of that.

Why overclock?

Overclocking your CPU, VGA, and/or memory can result in higher frames per second in games,

increase benchmark scores and provide better overall performance of your PC. There are three big

reasons to consider overclocking: free performance, reducing FPS dip/stutter and unlocking full

performance of high end GPUs.

One of the key areas where overclocking helps gaming is boosting the low/minimum FPS in games.

It's those demanding moments in games with lots of action and textures that can cause a PC to

momentarily slow down with FPS dipping to low digits under heavy load where CPU often needs to

work very hard as running at faster speeds will improve FPS and the gaming experience. The second

important aspect of overclocking is combining a fast CPU with a high end GPU. After a high end

GPU is bottlenecked in games such as PUBG, a good example of this type of behavior, having a fast

CPU combined with a decent graphics card will leave you fragging without FPS dips.

Overclocking gives you a free performance boost, why not give it a shot!

Is my notebook processor comparable to my desktop processor?

Desktops have much higher power requirements and better heat dissipation capabilities compared

to notebooks. The same model processor in a desktop performs better than the mobile equivalent.

CPU speed can have an impact on graphics performance and desktop CPUs will have superior

performance because of that.

What can I overclock?

The most often overclocked components are the CPU, video card and memory. In this guide our

focus is CPU overclocking.

Disclaimer: Overclock at your own risk!

Overclocking your CPU voids your warranty and it can also damage your CPU, especially if done

incorrectly.

Chapter 2: How to Overclock Your Intel i9-12900K

For reference we are using a GIGABYTE Z690 AORUS MASTER motherboard and an Intel i9-

12900K CPU.

Based on our testing some Intel i9-12900Ks can hit 5.1-5.2GHz using water-cooling and

around 1.3-1.35ish Vcore. This is our experience with the CPUs we've tested. You may find

that your CPU will overclock better (or worse) than our samples so keep that in mind when

doing the testing.

For ease, we will only overclock the high-performance cores on this guide but with exactly

the same way you can overclock the high-efficiency cores if you want. You can do that

simultaneously but we recommend to overclock them after you stabilize your overclocking

with the high-performance cores first.

■Step 1: Enter the BIOS by pressing the “delete” button

If you have never been inside your BIOS before, welcome! There is no need to worry, we will

guide you step by step with screenshots.

■Step 2: Load your Extreme Memory Profile (X.M.P.)

Enter BIOS and go to the “Tweaker” tab. Scroll down until you see the “Extreme Memory

Profile (X.M.P.)” option.

Change it to “Profile 1”. Depending on your RAM you might see a second and a third X.M.P. profile.

X.M.P. profiles are a quick way to get optimal performance for your memory without having to

tweak the settings manually. These settings are verified by the memory manufacturer so you

don’t have to worry about stability.

* The “Gear Mode” option has been added. We suggest to use Auto. Gear Mode will affect the

IMC clock.

■Step 3: Change your CPU Multiplier

The formula to calculate the frequency of your CPU is: CPU Base Clock * CPU Clock Ratio.

The Intel i9-12900K CPU has a Base Clock of 100 and CPU Clock Ratio of 49 for a frequency of

100 * 49 = 4900MHz. In this guide we will be overclocking to 5.2GHz for a 300MHz increase.

Since we overclock the Performance cores, set your Performance CPU Clock Ratio to “52”.

■Step 4: Disable TVB

Enter the “Advanced CPU Settings” submenu in the “Tweaker” tab. Disable both the TVB options.

The Thermal Velocity Boost is a really nice feature but when you overclock your processor

the temperatures will rise. You don’t want TVB to kick in and down clock your processor

when the CPU temperature goes over 70 degrees.

*Note: Alternatively, instead of disabling all these options you can simply just disable the

“Enhanced Multi-Core Performance” under “Tweaker” tab.

■Step 5: Change Ring Frequency

The formula for Ring frequency is CPU Base Clock * Ring Ratio = Ring Frequency.

Ring frequency is the frequency of the non-core parts of the CPU- IE cache, memory controller,

etc. After you have determined your CPU’s highest overclock you can re-visit your Ring settings.

In general higher Ring values do not produce meaningful performance differences, but they may

improve benchmark score.

*Note: You may find that you lose stability at 5.2GHz CPU clocks if you raise the Ring frequency

really high. Start with Ring at “Auto” and if your system is stable then raise it to a higher

frequency. Experiment with Ring frequency after you find the max clocks for both Performance

and Efficiency cores.

**Note: Please disable the “Ring to Core offset (Down bin)”.

**Here you can disable settings or features which may not be necessary in your daily operation.

VT-d is used for virtualization. If you don’t plan on using any virtual machines you can disable it.

The same stands for the Internal Graphics. Both those options can be found in the “Settings” tab.

■Step 6: Adjust Your Voltage Settings

Now that we have set our memory XMP profile, Ring, and CPU multiplier we must also adjust the

CPU voltage (Vcore). In order for the CPU to operate at higher frequencies more voltage will be

required.

Go to the starting BIOS page (Tweaker) and select the “Vcore Voltage Mode”. Here we added a

new option, the Adaptive mode. Although, in this guide we will go with the Fixed Vcore Mode.

Enter the “Advanced Power Settings” submenu and then enter the “CPU/VRM Settings” submenu.

(Optional) CPU Vcore Loadline Calibration

AORUS Z690 motherboards are already optimized to reduce voltage fluctuation. These

voltage fluctuations are built into standard voltage management to reduce power

consumption but can also have adverse effects during overclocking as you need a stable fixed

voltage to ensure consistency in power delivery. To begin leave LLC on AUTO. If you

experience any shutdowns while stress testing set LLC to “High” or “Turbo” and test again. If

you still experience shutdowns set LLC to “Extreme”. Make sure you also keep an eye out on

the CPU load temperature to prevent overheating.

■Step 7: Change CPU Vcore Settings

On the main BIOS page (“Tweaker” tab) scroll down until you see the “CPU Vcore”.

CPU Vcore: Raising this helps keeps the system stable at higher CPU frequencies. However, it

also increases the amount of heat your CPU produces. We suggest you keep Vcore under 1.4V

depending on your CPU cooling solution. Some CPU’s should be able to overclock to 5.1-5.2GHz on

all the cores at this voltage, however CPUs are not all created equally. Some may need more

voltage, some less.

Set Vcore to “1.35” to start. If you system is not stable raise the voltage in increments of .01-.02

with a maximum of 1.40V.

■Step 8: Save Your Settings

Before rushing off to test your new overclock we suggest saving your profile. You will find this

option on the last page of the BIOS named “Save & Exit”.

Select the option “Save Profiles” and select and name the profile.

Using the “Load Profiles” option you can load the profiles you’ve previously saved.

This is very useful when you need to clear the CMOS due to an overly aggressive overclock in which

you’ve lost all of your previous settings.

■Step 9: Save & Exit

Last step is to select the “Save & Exit Setup” and click yes on the pop-up window. This will reboot

your motherboard and apply all the settings that you have changed.

Chapter 3: Stability Testing

Congratulations! You are now running at 5.2GHz, which is nothing to scoff at. Now it’s time to

make sure that it’s stable. We’re going to use the software below to monitor our system, test

stability, and adjust our overclocks.

Prime95–This is used to stress test our CPU in order to ensure that it’s stable in the most

taxing of conditions.

CPU-Z–Used to monitor our CPU frequencies and Vcore settings.

Hwinfo64–Used to monitor idle, load, and loading temperatures.

How to Stability Test

■Step 1: Open up CPU-Z, Hwinfo64, and Prime95. Make sure Prime95 is configured.

Click the “Small FFTs” preset, disable the AVX instructions and then press OK to start.

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