See my L-mount mirrorless wishlist
This page looks at the best possible results when using the Panasonic S1R Multi-Shot High-Res mode.
Comparisons include standard vs HighRes mode images at native resolution as well as resampled to 125 megapixels. Image can be toggled for A/B comparison. Observations on sharpness, noise, etc are made along with an estimate of the maximum possible gains.
Panasonic S1R: Examples of Optimal Gains from Multi-Shot High-Res Mode (Dolls)
It’s clear after doing this comparison and also looking at others that these examples represent a “best possible” scenario—all sorts of things can degrade HighRes mode. Indeed, these examples shown above are compelling, but others I shot were less so.