2015-07-28, 13:34
Yep - you also need to be clear on what codec, bit depth and frame rate 4K you want. Not all 4K is equal.
HEVC/H265 10 bit vs HEVC/H265 8 bit vs AVC/H264 8 bit
AVC/H264 vs HEVC/H265
2160/23.976-30p ("movie") vs 2160/50-60p ("TV")
HEVC/H265 10 bit vs HEVC/H265 8 bit vs AVC/H264 8 bit
AVC/H264 vs HEVC/H265
2160/23.976-30p ("movie") vs 2160/50-60p ("TV")