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The test took 30 minutes at 4K resolution and three levels of power limit applied – 100%, 80%, and 60%. The system we use is AMD Ryzen 5700X with 32 GB of DDR4-3200 memory and RTX 4090 Founders Edition graphics card. NVIDIA MSI Afterburner Power Limit performance test Lets see some numbers and how much you are going to save in terms of power. Check how much performance you lose and fine tune the settings. You can experiment with different power limit values and games. Use the apply button (the checkmark) to use the new settings.Move the slider to left to reduce the power limit to 70%.On the main screen find the Power Limit (%) section.To apply power limit to your NVIDIA or AMD graphics card do the following: How to power limit NVIDIA and AMD GPUs with MSI Afterburner Respectively you can move it left to reduce the consumption. To perform overclocking you can move the slider to the right and increase the power limit. By default the slider is set at 100%, but you can move it left or right to decrease or increase the power consumption. On the main screen there is a slider called Power Limit (%), which determines the maximum power consumption of the GPU. The software supports all major models from AMD and NVIDIA. MSI Afterburner is a tool for monitoring and overclocking graphics cards. You can set it up in a matter of seconds, and it works with Windows.

To accomplish this, we will be using a piece of software called MSI Afterburner. MSI Afterburner power limiting is a form of GPU underclocking that simply allows the card to drop frequencies/voltages, thus dropping power consumption and losing a bit of performance (around 5-10% for RTX 4090). In any case, it is a good practice to power-limit power hungry GPUs. These graphics cards are far from efficient at their default settings and may consume more than 450 watts when fully loaded. The method is particularly useful for owners of the latest generation NVIDIA GPUs, such as the RTX 4090 and RTX 4080. Using this method, your graphics card will run cooler, quieter, and more energy efficient. In this guide, we will show you how to power limit your GPU.