Cherry MX Brown vs Gateron Brown (KS-9)

Both are tactile switches, so this comes down to weight, smoothness and sound. They actuate at the same 45gf.

Cherry MX BrownGateron Brown (KS-9)
TypeTactileTactile
Actuation force45 gf45 gf
Bottom-out force60 gf55 gf
Pre-travel2 mm2 mm
Total travel4 mm4 mm
Mount5-pin5-pin
Factory lubedNoNo
StemBrown POMPOM
SoundQuiet with a soft, rounded tactile event, no audible clickSoft, muted with a light tap on bump.
Price tier$$$

Whichever wins, put it in something worth building.

I hand-build small-batch programmable macropads (QMK/VIA) in Barcelona, and repair keyboard PCBs. Pick your switch, pick your layout with the Shortcut Library, and stop reaching for chords.

See the macropads