How to achieve the quality of X264 "2pass slow" with NVENC HEVC? I used the Nvidia Card's picture quality enhancer (sharpening), and the results were fantastic.
I used the latest version of Staxrip, updated only some files manually.
Here is the sample file, I cut it out from blu-ray without re-encoding: email@example.com (600 Mbyte)
You can download it here (until a week) https://wsi.li/BEAWwFwfV7wQ
and you can repeat the test too.
REMEMBER: the file sharing service will delete automatically the files after 7days.
X264 2pass Slow option with the basic settings ("factory settings") proved to be similar or a bit worse than NVENC HEVC at the same bitrate with its built-in HARDWARE supported picture enhancer/sharpener.
I encoded both material with 2000 Kbit/sec, and later with 3800 kbit/s (average Youtube bitrate)
You can download the results here:
X264 2pass SLOW 2000 Kbps (48 Mbyte)
NVENC HEVC 2000 Kbps (49 Mbyte)
The most important tests:
X264 2pass SLOW 3800 Kbps (88 Mbyte)
NVENC HEVC 3800 Kbps (88 Mbyte)
X264 staxrip settings
NVENC HEVC STAXRIP settings:
THE MOST IMPORTANT SETTING of the enhancer:
Results in pictures: Save the images to watch them in full resolution, or copy the "image url" and open them in new tabs.
X264 (3800 kbps)
NVENC HEVC 3800
I worked two days for the perfect option of the best settings for the enhancer.
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Last edited by Comparison; 8th Jul 2018 at 13:01.
Is this undeclared advertizing?
X265 2pass SLOW (factory settings) WAS humiliated by NVENC h265 with this settings:
X265 2pass SLOW video (88Mbyte)
NVENC HEVC (88 Mbyte)
It is shocking good!!!!!!
I used only my GPU for image enhancement process and compress, and I achieved the quality of the X265 2pass SLOW.
So a video card with clever settings can create very very very good quality.
X265 2pass SLOW:
NVENC HEVC pictures