[HELP] how to using x265 in Hybrid correctly?

[ssdde]

yeah, so low quality suit for NVENC?

No, NVEnc is not low quality, it's just not as good as x264/x265 in fine detail retention, but with your source that doesn't really matter.

there are two NVENC, one with (FFMPEG), which to use?

Stick with NVEnc.

i heard about that NVENC is using for NVIDIA card, and it encode much faster, but quality is not as perfect as CPU