Chosfox DD
vsGamakay Mercury
Hear them
Side by side
| Chosfox DD | Gamakay Mercury | |
| Type | Linear | Linear |
| Sound | Recorded | Balanced |
| Loudness | -42.8 dB | -35.3 dB |
| Pitch | 2,129 Hz | 2,211 Hz |
| Spring weight | 65.7 g | 65.5 g |
| Actuation force | 45.7 g | 43.9 g |
| Bottom-out force | 78.2 g | 84.6 g |
| Total travel | 4.1 mm | 4 mm |
Force curves compared
Both curves modeled from each switch's measured actuation, bottom-out values.
Which should you pick?
The Chosfox DD and Gamakay Mercury are both linear switches, but they feel and sound different enough to be worth comparing directly.
Chosfox DD runs the heavier spring at 65.7g versus 65.5g — about 0.20000000000000284g more — so it feels more deliberate under the finger, while Gamakay Mercury is quicker and lighter to press.
On sound, Gamakay Mercury is the louder of the two at -35.3dB versus -42.8dB (7.5dB quieter), pitched higher at roughly 2,211Hz. It reads as balanced, while Chosfox DD comes across more recorded.
Pick Chosfox DD if you want a heavier, more controlled press and a quieter typing sound. Pick Gamakay Mercury if you'd rather have a lighter, faster press and a louder, more present sound. Use the players above to hear which one you actually prefer.
Full pages
Hear the difference for real
Load either switch into the live simulator and A/B them with your plate, case and keycaps.
Open the simulator →