From the Adobe Illustrator v.26 minimum system requirements page: Supported Video adapters The following video adapter series support the new Windows GPU Performance features in Illustrator: NVIDIA NVIDIA Quadro K Series NVIDIA Quadro 6xxx NVIDIA Quadro 5xxx NVIDIA Quadro 4xxx NVIDIA Quadro 2xxx NVIDIA Quadro 2xxxD NVIDIA Quadro 6xx NVIDIA GeForce GTX Series (4xx, 5xx, 6xx, 7xx, 9xx, Titan) NVIDIA Quadro M Series NVIDIA Quadro P Series NVIDIA Quadro RTX 4000 If your card is not listed above, but meets the following requirements, you can assume that it works with the latest version of Illustrator: Your Windows should have at least 1 GB of VRAM (4 GB recommended). Your computer must support OpenGL version 4.0 or greater. My laptop and its graphics card is much more powerful than v.26 needs in order to run smoothly. I have to repeat that the mouse lags and the system fan fires up even there is a blank page opened. I'll try to screen record the issue and post it here.
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