It works awesomely on both integrated and discrete graphics for me. IIRC Patrick and Glenn, the people who wrote webrender, by default use integrated graphics a

It works awesomely on both integrated and discrete graphics for me. IIRC Patrick and Glenn, the people who wrote webrender, by default use integrated graphics anyway (at least one of them does). Software rendering makes it choke sometimes (other times it works surprisingly smoothly, but it depends on the load), but that is to be expected :)