Cherry MX Black vs Gateron Black (KS-9)

Both are linear switches, so this comes down to weight, smoothness and sound. They actuate at the same 60gf.

Cherry MX BlackGateron Black (KS-9)
TypeLinearLinear
Actuation force60 gf60 gf
Bottom-out force80 gf70 gf
Pre-travel2 mm2 mm
Total travel4 mm4 mm
Mount5-pin5-pin
Factory lubedNoNo
StemBlack POMPOM
SoundDeeper and fuller than MX Red, smooth linear with no click or bumpFuller, lower clack than the lighter Gateron linears.
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