I use a 27" 4K screen and it gives the same feeling as a retina display. Same for a 2K 15" Windows Laptop screen. I don't think retina feeling at 31" with 4K i

I use a 27" 4K screen and it gives the same feeling as a retina display. Same for a 2K 15" Windows Laptop screen. I don't think retina feeling at 31" with 4K is possible, we'll probably have to wait for affordable 8K screens to get that.