Logitech - MX Keys S vs Logitech - MX Mechanical Mini

The MX Keys S is the clear pick on raw spec strength, leading by 9.3 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.

Pick the MX Keys S if you care most about polling rate and size. The biggest gaps in its favor are polling rate, size.

The MX Mechanical Mini similarly doesn't carry a headline advantage on the popular specs — look at the full table for category-specific deltas.

Both ship with comparable hot-swappable, wireless, rotary knob, so those specs don't separate the two — focus on the differences below.

Bottom line: the MX Keys S is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.