Ducky - One 3 TKL vs Logitech - MX Keys S

These two are evenly matched on the broad strokes, with the decision sitting on which individual spec advantages weigh more for your use.

Pick the One 3 TKL if you care most about hot-swappable. The biggest gaps in its favor are hot-swappable.

Pick the MX Keys S if you care most about size and wireless. Its strongest claims are size, wireless.

Both ship with comparable polling rate, rotary knob, so those specs don't separate the two — focus on the differences below.

Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity tells you both are well-rounded; the differences are about trade-offs, not quality.