264, HEVC, ProRes, and ProRes RAW, along with video decoding ... The iPad Pro supports up one external display with up to a 6K resolution at 60Hz. Native DisplayPort output over USB-C is supported ...
The iPad Pro never slowed down even when I tossed a YouTube video into the mix ... I didn’t have a way to see the game’s exact frame output, but to my eyes, it seems to be a steady 30 fps.
There’s also Final Cut Pro for iPad 2.1 with Enhance Light and Color and Final Cut Camera 1.1 update with 4K 120 FPS ...