Final Cut Pro X – ProRes

What is ProRes in Final Cut Pro X?


Apple ProRes codecs provide an unparalleled combination of multistream,
real-time editing performance, impressive image quality, and reduced storage
rates. ProRes codecs take full advantage of multicore processing and feature
fast, reduced-resolution decoding modes.

All ProRes codecs support any frame
size (including SD, HD, 2K, 4K, 5K, and larger) at full resolution. – read more 


The pdf can be found at:

Click to access Apple_ProRes_White_Paper.pdf