4 ms·A Windows phone. Just kidding. Kind of.by copperx 3y agoA Windows phone. Just kidding. Kind of.sfg 3y agoEveryone I know who had one (okay, that's not many people...) loved it.copperx 3y agoIt did have a soft real-time kernel. Most of my frustration with mobile devices is UI unresponsiveness at random times, even with the latest hardware.