Voigtlander 75mm f/1.5 Nokton Review

FWIW I haven't found any real world side by side posts where there was much to talk about regarding comparing output between the two sensors in M240 and M10. Personally I don't know the M240.

https://www.travelisbeautiful.com/ricks-blog/2017/9/2/a-comparison-of-leica-m10-and-m240

OTOH, If we now use ISO 200 as base ISO on the M10, check out ISO 200 between the A7rIV and the M10