Glorious - GMMK 3 Pro vs Razer - BlackWidow V4 Pro

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 GMMK 3 Pro if you care most about hot-swappable and wireless. The biggest gaps in its favor are hot-swappable, wireless.

Pick the BlackWidow V4 Pro if you care most about size. Its strongest claims are size.

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.