UI latency is UI latency, and the problem in both cases is due to what markstos mentioned in his initial comment: the increasing internal complexity of the soft

UI latency is UI latency, and the problem in both cases is due to what markstos mentioned in his initial comment: the increasing internal complexity of the software stack used to develop the software. It's not like modern hardware isn't fast enough to do literally everything that needs to be done locally with minimal UI latency.