I believe CABAC in h265/HEVC should be faster than CABAC in h264/AVC. If you produced CABAC for h264 and h265 with all things being equal you should actually g

I believe CABAC in h265/HEVC should be faster than CABAC in h264/AVC. If you produced CABAC for h264 and h265 with all things being equal you should actually gain in decoding speed moving to h265.