Abstract The study presents the results of research on the impact of undervolting on the operating parameters of selected graphics cards, focusing on the PNY GeForce RTX 4070 Ti and Gigabyte models. GeForce RTX 2070 Super. Analysis shows that undervolting can effectively improve the energy efficiency of graphics cards with minimal impact on their performance. It has been found that there is an optimal level of undervolting that maximizes the benefits of energy efficiency while maintaining satisfactory performance. In addition, undervolting helps to reduce the operating temperature of components, which can translate into quieter operation and potentially longer device life. These results indicate the significant potential of undervolting as a method for optimizing power consumption and managing the performance of computer hardware. Keywords: undervolting, graphics card, computer games