Gazzew U4T 65g
vsKailh Blueberry
Hear them
Side by side
| Gazzew U4T 65g | Kailh Blueberry | |
| Type | Tactile | Tactile |
| Sound | Recorded | Balanced |
| Loudness | -45.9 dB | -38.3 dB |
| Pitch | 2,192 Hz | 2,673 Hz |
| Spring weight | 57.1 g | 57.6 g |
| Actuation force | 35.8 g | 32.6 g |
| Bottom-out force | 77.1 g | 75.7 g |
| Total travel | 3.9 mm | 4.1 mm |
| Tactile bump | 47 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 U4T 65g and Kailh Blueberry are both tactile switches, but they feel and sound different enough to be worth comparing directly.
Kailh Blueberry runs the heavier spring at 57.6g versus 57.1g — about 0.5g more — so it feels more deliberate under the finger, while Gazzew U4T 65g is quicker and lighter to press.
On sound, Kailh Blueberry is the louder of the two at -38.3dB versus -45.9dB (7.600000000000001dB quieter), pitched higher at roughly 2,673Hz. It reads as balanced, while Gazzew U4T 65g comes across more recorded.
Both are tactile, but Kailh Blueberry has the stronger bump at about 62g versus 47g.
Pick Gazzew U4T 65g if you want a lighter, faster press and a quieter typing sound. Pick Kailh Blueberry if you'd rather have a heavier, more controlled 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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