10 bit monochrome - any advantages?

[chroma601]

I can see a palpable difference between 10 bit and 8 pit HEVC encodes. The color looks much better to my eye. Is there any advantage to using 10 bit encoding on monochromatic material?

[butterw]

Likely yes, the same advantage but in Luma only: 10bit vs 8bit.

Color (YUV420) = Luma (Y, Grayscale) + Chroma (U, V subsampled)

[chroma601]

Thanks!