... since the iMac doesn't support 1080p resolution, you'll be stuck using 1280x720 with the RPI.<br/> <br/> iMac only supports 800x600, 1280x720 or 2560x1440. Since the RPI can't output 2560x1440 (as far as I know), you'll be stuck with 1280x720.<br/> <br/> In order to remedy this, you could get ...