In my experience it's perfectly fine for office work and watching videos. No tears or anything. I don't notice any difference between display link and bare metal igpu. I haven't tried any gaming, so I can't speak to that. It may depend on the displaylink adapter you use. I have this one: https://www.amazon.com/Docking-Station-GIISSMO-Universal-Charging/dp/B0C3GG1JDP.