![]() Here's the main interface for MSI Afterburner, using the v3 skin. Case in point: Even though all the RTX 4090 cards we've seen so far appear to use Micron 21Gbps GDDR6X memory ("D8BZC" labeled chips), we've seen maximum stable memory overclocks range from 22.6Gbps to as high as 25Gbps. Please note that overclocking very much depends on the "silicon lottery." Just because one person with a "HappyGPUs RTX 4090 X-Factor-Wow" model card (that's a made up name, if you couldn't tell) managed a 20% core overclock and a 25% memory overclock doesn't mean that every RTX 4090 card will hit those same clocks, or even that the same model will reach similar clocks. It's also possible to overclock AMD and Nvidia GPUs using the built-in utility in AMD's drivers or Nvidia's GeForce Experience, which we'll cover below, but we'll start with the universal approach to overclocking your GPU. The same basic process can be used with other utilities, including EVGA Precision X1, Asus GPU Tweak, and other graphics card vendor utilities. There are a variety of utilities, but we're going to focus on MSI Afterburner, which is one of the most popular and commonly used GPU overclocking tools. Once you have your baseline stock performance data, it's time to start overclocking. Check our guide on how to test graphics card performance, and you'll also want to check your graphics card temperatures and clock speeds. You want to be able to see how much faster your PC runs after tuning, after all - if performance doesn't improve, you'll want to know. But if you have one of the best graphics cards and you're looking to eke out a bit more performance, we'll discuss how we go about overclocking and determining "safe" settings.īefore overclocking, it's useful to get a baseline measurement of how your graphics card performs. Of course, as with any overclocking, care should be taken to avoid running your GPU at unsafe settings. You can raise its value to the maximum since it has no direct implication with the voltage or frequencies beyond a certain consumption limitation.Overclocking your graphics card can improve its performance by 5% to as much as 15% (or more), depending on the particular card model. Power Target (%): Also called PT, it is a power limiting value.This is important because a lower GPU temperature can scale more MHz and improve performance or stability. Fan Speed (%): You can choose to leave it in auto or force it to have a more aggressive curve if you want to maintain a lower temperature.You can set it to the default value from the gaming mode configuration or anchor it to the max frequency as per your GPU's performance. Memory Clock (MHz): It is the speed at which your graphics card will process the frames in and out of the VRAM.And its temperature doesn't exceed 85 degrees in gaming. GPU Voltage (mV): You must place this value at the maximum allowed unit by the software as long as your GPU has an unlocked BIOS.Thus, you will have to raise it to the maximum available frequency to achieve the most FPS. GPU Clock (MHz): A higher clock value implies stable performance.From here, you will have a different set of values to overclock. The interface will open in the Advanced Mode. You must be careful with the options you customize since it can irreversibly damage your device if you go overboard without properly benchmarking it. To safely overclock your GPU in Windows 10 PC, it is best to make small increases in frequency and check if the system remains stable after the procedure. If you're new to the world of Overclocking a GPU and wondering where to start, you can check out our guide on how to Safely Overclock Your GPU to learn more. However, depending on the GPU series, it involves certain risks for the card itself. Overclocking a GPU is not as complicated as a CPU overclock. Related: The Best Computer Temperature Monitor Apps However, you can increase your graphics card's speed if your power supply can provide enough watts and within the GPU's tolerable temperatures. Heat is the bigger problem as it throttles a GPU's performance and its ability to maintain optimum temperatures. In a Windows 10 PC, power is not a problem because you can upgrade your power supply and get constant energy from an outlet. ![]() The faster a chip is, the more power it consumes, and the heat it generates. The performance of any hardware is limited by two physical barriers: power consumption and heat. ![]()
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