All Rokus that can play 4K can play HEVC, doesn't matter when you bought your Roku, what matters is what technology is inside (e.g. you can still buy DVD-only players- decadeS old technology)...
The reason why you get lower bitrates with HEVC over AVC is exactly the same as you getting lower bitrates with AVC over MPEG-2- coding complexity changes, and you need WAY lower bitrates to transmit same quality
The reason why you get lower bitrates with HEVC over AVC is exactly the same as you getting lower bitrates with AVC over MPEG-2- coding complexity changes, and you need WAY lower bitrates to transmit same quality
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