4 ms·And yet the UI is still laggy :-\by jimktrains2 9y agoAnd yet the UI is still laggy :-\mikeash 9y agoThey have to do a lot more work to render that UI. The framebuffer on an iPhone X is larger than the entire main memory of the Cray 1!snvzz 9y agoMostly a software issue.