Once again, click on the voltage of your choice. Open up Curve Editor once again to make the adjustment. You’ve successfully changed the clock speed and voltage of your graphics card, but now it’s time to make sure that these values don’t go above what you intended. Remember that these numbers will vary based on the values you started with. The end result should be that your card will run at the same frequency as before while maintaining the maximum voltage of your choice. Image used with permission by copyright holder Keep increasing the clock until your frequency is the same as it was during your stress test while running on the new, lowered voltage. Track your chosen voltage at the bottom (in this example, 950mV) and the frequency on the left. To do this, increase the core clock until the curve in the Curve Editor changes. You want to adjust the core clock so that your card’s frequency matches the voltage you want to maintain. Go back into the main window of MSI Afterburner and look at the Core Clock (MHz) section. As you can see, that number will be tied to a lower frequency than what you want to maintain. As a rule of thumb, it’s better to undervolt little by little instead of doing too much at once.Ĭlick on the voltage that you would like to achieve. Your numbers will vary depending on your graphics card. If you are starting with 1000mV and a frequency of 1873MHz, you might want to take it step by step and lower the voltage to 950mV. Undervolting, like overclocking, is not an exact science. Image used with permission by copyright holder Step 5: Pick your new voltage In our example, 1873MHz requires a core voltage of 1000. Look down and check the corresponding voltage. Simply click along the dotted curve line until you are able to see the correct frequency on the left-hand side, aligned with the curve. Go back to the Curve Editor tool in Afterburner and find the right frequency on the Y-axis. Step 4: Find the correct axis in Curve Editor Check the section labeled “MHz” and remember the number - in this example, it was 1873MHz. Once the program has launched, make sure you’re using windowed mode, allowing you to look back at MSI Afterburner. For the purpose of this guide, we’ve used Amazon Games New World. Some games are more based on the processor than the graphics card, but most newer titles put enough pressure on the GPU to show you the correct frequency - especially at higher resolutions. The easiest way is to launch your most resource-heavy game and let it run for at least 15 minutes. There are two ways to do this: Launching a GPU-intensive program or running a stress test, such as FurMark. Step 3: Test your graphics cardīefore you take any further steps, you will need to figure out what frequency your GPU runs at under stress. The X-axis is the voltage of your graphics card, and the Y-axis is the frequency (clock speed). This graph holds two important pieces of information. Once the Curve Editor is open, you will see a (somewhat intimidating) graph. You can access it by simply double-clicking or pressing CTRL + F. Below that, you can find the Curve Editor. On the lower left part of the MSI Afterburner interface, you will find information about the voltage of your GPU. Install it on your computer and then launch it. To begin the process, download the free program here. MSI Afterburner is the most popular undervolting tool for Nvidia graphics cards. Undervolting Nvidia GPUs requires a few extra steps compared to AMD. Indeed, some models, like AMD’s Vega series, could actually see their clock speeds improve when undervolted due to having additional power and temperature headroom when running at lower voltages. This AMD GPU could have destroyed Nvidia, but we might never see itĪMD cards can generally be undervolted, even on older models. Modders just changed GPU overclocking forever AMD’s two new GPUs significantly undercut Nvidia
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