AV1 is better than HEVC? I've never heard this claim. Does AV1 even exist in final form yet? Is it going to use more battery than HEVC? VP9 uses much more batt

AV1 is better than HEVC? I've never heard this claim. Does AV1 even exist in final form yet? Is it going to use more battery than HEVC? VP9 uses much more battery than H.264. Even when both have hardware decoders, VP9 uses a bit more juice. It's the computational complexity difference. Of course HEVC probably uses more juice than h.264 as well, but VP9 is notoriously inefficient and it would suck if AV1 was less energy efficient than HEVC.