If your graphics card is supported, the 'Use Graphics Processor' checkbox is enable and checked by default.

If a graphics card is detected on your system, its name and model will appear under Detectected Graphics Processor in the Graphics Processor Settings area of the Performance section. Settings in the Preferences > Performance section Photoshop provides you with dedicated GPU settings in both the Performance and 3D sections in the Preferences dialog.

Running Photoshop on underpowered or unsupported hardware-for example, on a computer having an incompatible graphics processor (GPU), may result in performance issues. The most dramatic way to increase performance is by investing in faster and more powerful hardware. Your computer must meet certain minimum system requirements to run Photoshop optimally. The easiest way to improve performance, without spending money, is to set your Photoshop preferences and fine-tune its features to take advantage of the way you work and the type of files you typically work with. Optimize your operating system for Photoshop.There are four primary ways to affect performance in Photoshop: Every user's setup is unique and may require a different combination of techniques to get the most efficient performance from Photoshop. From the suggestions documented in this article, consider which ones to implement within the context of your computer setup, the types of files you use, and your particular workflow.

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