Home » Windows » Learn to overclock your CPU

There are certain benefits of overclocking a CPU, but the prime reason why people choose overclocking is to obtain the fast performance out of their machine.  But before implementing the process, there are a few things that are important to know.

Heat is the first thing that is the concern attached to overclocking. The more voltage you will add to your components, they will produce more heat. Another thing is, for the more clock speed, you will need more power in that attempt. One more thing you need to know is that there is a limit of voltage your PC can accept and perform fine. It you will apply voltage beyond its threshold value, you will observe detrimental effects liken drop in frame rates for GPUs or failure to boot at all or corrupting processes on the CPU, etc. These are the general limits of overclocking.

overclock-your-cpu

Although all chips go under the same manufacturing process, but small imperfection may not be avoided. Overclockers use a term called “The Silicon Lottery” (you may have heard that) and this is thing that has something to do with the manufacturing process with each and every processor. During the manufacturing process, there is possibility of small imperfections and these are the reason that leads difference how well a chip performs. These small imperfections in the silicon application are responsible for maintaining stability while voltage are increased and dissipating heat while load is maximized.

You need to keep all the basics in mind before overclocking your CPU. This process may equate anywhere between 0.2GHz frequency difference to 1GHz (in some cases) in overclocking potential. Also make sure that your processor or component is capable of overclocking (K/X series for Intel and any AMD chip), and you know how to get into your BIOS, then follow the process as it is explained:

  1. Test CPU stability

You need to check and ensure that your computer’s CPU is stable at idle as well as max load for a successful overclocking. To check the stability of your CPU, there are few free software that you can use.

Prime95 is such software that can check the stability. Next you need a program that can accurately monitor the temperatures your CPU is producing. Core Temp is such a program that works with both AMD and Intel cores. There are other programs also that you can use. If in case you don’t want to install any other program, Real Temp GT is also there for you.

  1. Check the temperature of your CPU core

Once you have installed the necessary programs, load Core Temp to start the process of checking your CPU’s temperature. For good understanding of how much heat your CPU is producing, make sure that you always look at the lowest core temp.

  1. Perform the stress tests

Now, you need run a stress test on your CPU to know how hot it runs at 100%.

You have installed Prime95 earlier so just start that and select “Just stress testing”. After selecting stress testing, you’ll be given a list of options among which you need to choose which stress tests you’d like to perform.

Select “Blend Test,” and press “OK”.

  1. Get into the BIOS

Your CPU temperature will be stabilized after about 5 to 10 minutes, then go into Prime95. Choose “Test” on the top bar and click on “Stop”. After that restart your PC and press Delete key on your keyboard to get into your BIOS.

(Please note that the key that make you enter into BIOS may differ from the device manufacturer so you need to pay attention to your early login screen in that case.)

The Unified Extensible Firmware Interface (UEFI) may be a little different in different manufacturers’ devices, but the base settings will essentially be the same.

  1. Try for auto-overclock

Once you get inside your BIOS, search the overclocking tab and there you will get multiple options.

If you want it easy to overclock your CPU then let the motherboard do the majority of the work for you.

Most manufacturers include overclock profiles and the range is dependent on the CPU installed. Usual range is from 4GHz to 4.8GHz.

If you set the motherboard to run one of these profiles, It will allow to try to overclock the chip to at a specific frequency from that range without any user input.

If you’re dialing in a conservative overclock (for example, 3.5GHz to 4GHz), this may be a quick solution, but if you want to push beyond that 4.8GHz barrier, automated profiles are not conducive because through the automated profiles, you  can’t reach that frequency.

  1. Changing the multiplier

More tech savvy users like to perform overclocking manually. They find it more comprehensive to use the manual control. To overclock your CPU, you need to change the CPU ratio, or multiplier, for all cores to the target number you want to achieve.

Let’s say it’s 35 in this case.

To create the final figure of 3.5GHz, the multiplier then works with the cores’ BCLK (or “base clock”) frequency (usually 100). In this document, you will learn to overclock your CPU from 3.5 to 4GHz, just by changing the multiplier.

  1. Check at max load

Once you are done with the job of changing the CPU ratio multiplier to 40, save changes and exit from the BIOS. Boot into Windows, open Core Temp to check your CPU temp, then Prime95 and choose “Options”, “Torture Test” and finally select the option “Blend Test” to find how your chip performs at max load.

If it shows stable performance for at least five minutes then you can achieve a higher overclock by increasing the number of multiplier.

  1. Check out the limit

At this point you will check the overclocking limit of your CPU. Increase the multiplier by one and perform the stress testing in Windows each time and repeat the process each time you increase multiplier count. Repeat the entire process until you device reach the point where CPU begins to thermally throttle itself or you get a Blue Screen of Death.

Ideally, it is better that you get blue screen before reaching thermal limit.

  1. Increase the voltage

You need to start working with the Vcore voltage to overcome the blue screen issue. you need to find CPU Vcore Voltage Mode back in the BIOS. Change this to “Fixed”. At this instant, you may need to do some research to know what people are suggesting for overclocking and what the stock Vcore your CPU takes.

Start increasing the voltage by 0.01 volts each time, until you achieve successful boot, stress test and maintain stability at your target frequency.

Once you will get a bit more comfortable overclocking, you’ll not find any problem in increasing voltages by 0.05 or 0.1 at a time. Because at this point, you are just learning how your CPU will respond to different amounts of voltage increased.

Eventually, you’ll find a point where it is not possible to reach next frequency irrespective of how much voltage you increase. This is the point when you need to dial back your overclock by 0.1GHz and decrease the Vcore voltage back to the last stable settings for that dialed back frequency and maintain it there. This is the limit of over clocking and it is your final overclock.

  1. Back to benchmarking

Now you should benchmark for as long as you feel is fine to ensure a stable overclock. It upto you and your patient, this can be anywhere from an hour to a full day.

Finally, your device is ready to be used at its utmost potential.

The hardware capabilities and design of the machines are changing at a rapid pace and users always try to explore everything be it any type of hardware. In computing, GPUs are the most precious part as they act like the controlling part for the entire machine. And overclocking will be helpful in improving their speed and performance.

If you are a Windows 10/7/8 user and want to overclock your CPU, above writen steps can be useful for you. But if you want experts to do it for you, you can call the technicians of PCTECH24 for the instant help. PCTECH24 provides round the clock Windows 7, Windows 8, and Windows 10 technical support services.

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