Gazzew Boba U4T
vsKailh Blueberry
Hear them
Side by side
| Gazzew Boba U4T | Kailh Blueberry | |
| Type | Tactile | Tactile |
| Sound | Recorded | Balanced |
| Loudness | -41.7 dB | -38.3 dB |
| Pitch | 2,250 Hz | 2,673 Hz |
| Spring weight | 58 g | 57.6 g |
| Actuation force | 33.8 g | 32.6 g |
| Bottom-out force | 69.5 g | 75.7 g |
| Total travel | 4.1 mm | 4.1 mm |
| Tactile bump | 55 g | 62 g |
Force curves compared
Both curves modeled from each switch's measured actuation, bottom-out and tactile-bump values.
Which should you pick?
The Gazzew Boba U4T and Kailh Blueberry are both tactile switches, but they feel and sound different enough to be worth comparing directly.
Gazzew Boba U4T runs the heavier spring at 58g versus 57.6g — about 0.3999999999999986g more — so it feels more deliberate under the finger, while Kailh Blueberry is quicker and lighter to press.
On sound, Kailh Blueberry is the louder of the two at -38.3dB versus -41.7dB (3.4000000000000057dB quieter), pitched higher at roughly 2,673Hz. It reads as balanced, while Gazzew Boba U4T comes across more recorded.
Both are tactile, but Kailh Blueberry has the stronger bump at about 62g versus 55g.
Pick Gazzew Boba U4T if you want a heavier, more controlled press and a quieter typing sound. Pick Kailh Blueberry 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.
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