Table of Contents
Introduction
The GPU or Graphics Processing Unit is what displays graphics on your screen. The graphics cards uses the main processors RAM type to display information on a monitor or TV. If you are a gamer or a video editor, this is your bread and butter aside from the CPU.
Graphics cards will have a few different clock speeds that can affect its performance, but the memory speed is what mainly affects how fast the graphics are displayed on screen. If your GPU does not have the memory it needs, your graphics will be choppy or laggy.

In this article, we will discuss the difference between the GPU Memory Clock Speed and GPU Core Clock Speed, as well as what each of them affects, as well as other other information such as how to control the clocks.
By the end of this article, you will have a better understanding of your GPU, how it works, and what you can do to improve the performance.
What is GPU Memory Clock Speed
The GPU Memory Clock Speed is the speed at which the graphics card can read and write data from its memory. This number will mainly affect how fast your graphics are displayed on screen, so it’s important to make sure that this is as high a speed as possible for optimum performance. If you have a low GPU Memory Clock Speed, games or other graphics-intense tasks may not be able to display as smoothly.
The GPU Memory Clock Speed can also affect other parts of your graphics card, such as the game’s resolution and textures, but this is less important than the actual speed at which it displays on screen. This will mainly impact how many frames per second (fps) your game runs at.
This is usually measured in MHz, so the higher it is the better performance you will have.
GPU Memory Clock Speed can be increased by purchasing a graphics card with more memory or overclocking your current one to run faster than its base speed. Keep in mind that this increases power consumption and may shorten the lifespan of your card.
What is GPU Core Clock Speed
The GPU core clock speed on the other hand is the speed at which your GPU processes data.
The core clock will make a difference in how many frames per second that you are able to play games on, but is not as important as gpu memory clock when it comes to image quality and resolution. The core clock can also be increased by adding more graphics card or overclocking an existing one if base speeds are not high enough.
A higher core clock speed will provide you with a better frame rate, meaning that you will be able to play games on higher settings, but you also need to balance the gpu memory clock speed with it as well in order to keep the image quality at a high level.
Overclocking your graphics card will allow you to increase both of the core clock and memory clock speeds which, as mentioned before, can have an impact on how many frames per second that you are able to process and play games with.
The thing is though, it might not be worth overclocking if base speeds aren’t too low because for each percentage point gained by overclocking there’s roughly a doubling in power consumption levels. This could quickly lead to excessive cooling demands or heat generation leading creases power consumption and may shorten the lifespan of your card.

Memory Clock vs Core Clock – What is the difference
The main difference between the two is that the graphics processor core clock will dictate how quickly it can perform calculations, while the memory clock dictates what data is available to be processed. Essentially your computer needs enough GPU RAM in order for you to complete any given task on a graphically intensive game or program without inconveniences such as lagging frames and choppy gameplay
A higher than necessary gpu memory clock speed might not help if there’s not enough video ram (VRAM) and it could lead to performance issues.
When deciding which one has more of an impact on gaming though, many would say that the CPU makes far less of a difference than either does individually but they both matter when trying to play graphically intensive games.
What Does Boost Clock Mean?
Higher clocks allow for a higher level of performance, so when it comes to GPUs the clock is king. However, while gpu memory and cpu are both important considerations for gaming performance, some gamers might say that neither matter as much individually but together they make all the difference in a graphically intensive game or program for performance increase.
The GPU’s boost clock refers to how fast your graphics card can go above its base speed (usually by 100MHz) if given sufficient cooling – which will determine whether or not you get more fps at any given time on average than with just the base frequency alone. The last thing you want is to buy an expensive high-end model only to find out you’re pushing it too hard without enough airflow!
Is FPS Generally Affected by GPU Memory Clock Speed?
Let’s take a look at two different scenarios. If you’re playing an older game, your GPU memory clock speed might not matter much because older games are less graphically intensive and require less higher FPS.

However, if you play new games on max settings with Anti-Aliasing enabled and other graphics options turned up high, then it becomes important to know how fast (or slow) your card can go in order to maintain frame rates consistently without crashing or lagging. In that case having enough VRAM for those graphical wonders will help quite a bit!
So this leads us to the big question: “How much VRAM do I need for a better gaming performance?”
The answer is not that easy, but it doesn’t matter because we’re here for a different reason! We want you to know how GPU memory clock speed affects FPS in games.
In conclusion, if you have an older system with low or mid-range specs and RAM then your graphics card isn’t going to affect your gaming performance too much; however, newer systems (and new games) will require more power from both of those things. When choosing a graphics card think about what kind of hardware capabilities are on offer so you can get the most out of it.
Tools and Utilities to Test and Monitor GPU Clock
There are several tools and utilities to help you monitor and test your graphics card clock. These include the following:
GPU Z
The GPU Z is a utility that can be used to monitor and test your GPU clock. It will give you a lot of information about what’s going on with the hardware inside your graphics card. What it does is it measures the core and memory clock speed of your graphics card, as well as other information about its internal hardware.


MSI Afterburner
The MSI Afterburner is a utility that can be used to monitor and test your graphics card clock. It will give you a lot of information about what’s going on with the hardware inside your graphics card, similar to what the GPU Z does.

The MSI Afterburner lets users change core clock speed (in MHz), memory clocks (in MHz) or shader frequencies (in MHz) to achieve the sweet spot and monitor the resulting live update in real time. It also lets users change fan speeds or control voltage levels (VID).
3DMark
3DMark is an application that can be used to test your graphics card performance. It is a very popular testing tool for gamers and hardware enthusiasts alike, as it tests various aspects of your system’s gaming abilities such as physics processing or triangle.

One thing that I find useful is the “Stress Test” option, because it can be used to see how stable a system runs and if there are any failures in power supply output for example. If you have overclocked the graphics card too much, then this test will show whether or not the overclock settings were stable enough on stock voltage levels.
This test is very important when trying to decide what kind of clock speed should be set, as well as what voltage level should be adjusted at which frequency setting. The Stress Test also checks if an SLI configuration (dual video cards) works properly with no problems in performance whatsoever.
GPU UserBenchmark
The UserBenchmark is another tool that is very helpful. This tool can test your computer and compare how it performs against other systems. This tool is also very helpful for people that are upgrading their graphics card because they can see how much of an improvement the upgrade made to their system and if a new graphics card should be purchased or not.
The UserBenchmark website has a section called “Compare Hardware.” On this page, you will find different GPUs from various brands so you can compare them side by side without having to do any research on your own. The test generates graphs with performance information such as frames-per second (fps) in games like Battlefield One, Assassin’s Creed: Origins, Grand Theft Auto V, Rise of the Tomb Raider, and Tom Clancy’s Rainbow Six Siege.
Even though there are many tools, it’s important that you know what information is useful for each one of them to be able to use the data correctly. Keep in mind that they all measure different types of performance metrics; some will tell you about CPU usage and CPU clock as well as RAM clock, while others focus more on memory or bandwidth capacity. Some other utilities can give a broader overview by monitoring multiple factors at once.
There are also a few things you should know about monitoring your graphics card’s performance. Your applications will usually tell you if they’re running out of memory or not being used actively. You may hear terms such as ‘swapping’ or ‘out of swap’. This means that the application is unable to access enough physical RAM, so it has been swapped to disk storage temporarily in order for another program to run more smoothly. If this happens often then there are two options available: either lower the settings on the game in question, or
Conclusion
GPU clock speed is important for getting the most out of your video card, and knowing about them can help you make more informed decisions when purchasing a new computer or adding an expansion to your existing one. The blog discussed tips for monitoring gpu memory speed and gpu core speed with tools like GPU Z and MSI Afterburner, as well as how each affects performance. If you have any thoughts on this topic, please share in the comments below!
FAQ
What is memory clock?
Memory clock is the rate, in MHz, that a computer’s memory operates at. The memory clock controls the speed of an operation like reading a chunk of the RAM and storing it in CPU registers or main memory. The higher they are, the faster your system reacts to input. Memory clocks (as well as CPUs) nowadays generally run from 100 MHz to 2400 MHz for PC computers and 1600-2400 MHZ for videogame consoles like Xbox 360 and PS3; though other manufacturers have sold models with different clocks speeds currently running them up to 7200 MHZ.
What is a good memory clock?
Memory clock refers to the number of memory chips speeds per second. Generally, a higher clock rate will produce better performance but the memory only needs to be fast enough for its intended use. The best way to decide which one is best for your application is by selecting the fastest and most reliable you can afford, testing with at least benchmark software, and documenting requirements well.
What does increasing memory clock do?
Increasing the mem clock will decrease latency, make games load faster and feel smoother. It is possible that you might see reduced memory bandwidth as a side effect of overclocking since it might be able to send data at a higher rate (though it also depends on how much total bandwidth you have available). Theoretically, all computer systems work more efficiently when running at their rated speed, but as always there are tradeoffs involved with overclocking so constant monitoring of your system specifications may be needed.
What is normal memory clock speed?
There is no such thing as a “normal” memory speed. Memory speeds differ by the manufacturer, chipset, and model number of the DRAM module.
What is the difference between gpu memory clock and gpu core clock?
The GPU Memory Clock refers to how fast the graphics card can read data from its own onboard RAM, while the GPU Core Clock determines how quickly it can process that data. As such, you should expect a higher memory speed to have an effect on performance in most games. Some GPUs will not be able to detect or use their maximum rated speeds due to other system restrictions, but this shouldn’t affect your ability enjoy gaming as long as you’re using components with enough power for the game’s requirements.
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