Keychron K3 HE vs Nuphy Air75 HE
Get the Nuphy Air75 HE for the 8,000 Hz polling rate.
The differences that matter
Skip the 40-row spec sheet. These are the specs that change how each board feels, sounds, and fits your desk.
Keychron K3 HE
Nuphy Air75 HE
Connection
Bluetooth, 2.4 GHz, Wired
Wired
Max polling rate
1,000 Hz
8,000 Hz
Case material
ABS, Aluminum, Wood
Aluminum, Plastic
Switch options
Clicky, Linear, Magnetic, Tactile
Magnetic
Mount style
Tray Mount
Plate Mount
- Keychron K3 HE
- Nuphy Air75 HE
- Performance
- 9298
- Build quality
- 8663
- Productivity
- 8876
- Customizability
- 8968
- Portability
- 8266
- Layout size: 75%
- Hall effect (magnetic)
- Rapid trigger
- Hot-swappable
- Low profile
- Sound dampening
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
Keychron K3 HE
8 owner reviews
“I am happy with this keyboard! I needed some time to adjust my typing habits, but so far so good.”
“please add a custom firmware file in your as the app can not recognize the keyboard and apparently doesn't have a correct firmware. the reset buttons do not work as well”
Nuphy Air75 HE
No owner reviews collected yet.
Keychron K3 HE vs Nuphy Air75 HE specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
16 of 28 specs differ
Keychron K3 HE
Nuphy Air75 HE
Switch options
Hall effect (magnetic)
Rapid trigger
Hot-swappable
Mount style
Low profile
Sound dampening
Layout size
Layout standard
Ergonomics
Display
Media keys
Connection
Max polling rate
Battery
USB-C
Case material
Plate material
Keycaps
Weight
Dimensions
Typing angle
Backlight
QMK
VIA
N-key rollover
Mac & Windows
Released
Compare prices
Live prices from the stores we track, cheapest in-stock offer first.
Lowest price across stores, Amazon excluded.
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