Rarbg X265 Encoding Settings

Presets like medium or slow are the workhorses. veryslow offers only marginal gains for a massive increase in encoding time and is rarely worth it for casual use.

ffmpeg -i INPUTMOVIE.mkv \ -map 0:V:0 -map 0:m:language:eng -map 0:s? -disposition:s:0 default \ -c:a eac3 -ac 6 -b:a 384k -c:s copy \ -c:v libx265 -pix_fmt yuv420p10le -preset slow -crf 22 \ -maxrate 4500K -bufsize 9M \ -x265-params "max-merge=5:limit-refs=3:rd=4:rc-lookahead=48:bframes=8:aq-mode=3" \ OUTPUTMOVIE.mkv

The default CRF for libx265 is 28, which is roughly visually equivalent to a CRF of 23 for H.264 (x264), but yields about half the file size. Rarbg X265 Encoding Settings

Some common issues users may encounter with Rarbg X265 encoding settings include:

Passthrough of the original AC3 or DTS core track for home theater users. Summary Checklist for HandBrake Users Presets like medium or slow are the workhorses

Turn SAO off . While SAO reduces encoding noise, it does so by aggressively blurring fine textures, giving skin tones a plastic, artificial look. Disabling it retains film grain and facial details.

Always test your settings on a short, high-motion action chapter before processing an entire movie. If you notice too much blurriness in dark corners, raise your aq-strength to 1.2 . If the file size is still too large for your archiving needs, step the CRF down to 24 . -disposition:s:0 default \ -c:a eac3 -ac 6 -b:a

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x265 natively struggles with dark gradients, often creating "blocks" of color. AQ-Mode 3 fixed this entirely for RARBG.

RARBG releases (often tagged as x265-RBG or RMTeam ) targeted a highly specific sweet spot. They aimed for —meaning the video looks identical to the source during normal playback—while reducing the file size by up to 70% compared to traditional x264 AVC encodes. Their strategy relied on three core pillars:

). This usually fixes playback issues without needing to re-encode the video. Why Use These Settings Today?