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Head to head · Prices checked Oct 28, 2026

Keychron J12 HE vs Nuphy Air75 V3

Get the Keychron J12 HE for hall effect and rapid trigger.

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Quick verdict

Which one should you get?

Get the

Keychron J12 HE

Hall effect

Build quality in the top 30% of 75% boards under $200.

Rules this board out

  • Magnetic switches only. Standard MX switches will not fit.
  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.

Get the

Nuphy Air75 V3

Build quality in the top 5% of 75% boards under $150.

Rules this board out

  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.
  • North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.

What actually differs

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 J12 HE

Nuphy Air75 V3

  • Hall effect (magnetic)

    Yes

    No

    Adjustable actuation helps in games and not in normal typing

  • Rapid trigger

    Yes

    No

    Faster resets help in games and not in normal typing

  • Low profile

    No

    Yes

  • Case material

    Plastic

    ABS, Aluminum, Plastic, Polycarbonate

  • Switch options

    Clicky, Linear, Magnetic, Tactile

    Clicky, Linear, Low-profile 3.0, Mechanical, Tactile

KeebFinder scores

How we score
  • Keychron J12 HE
  • Nuphy Air75 V3
Performance
88
82
Build quality
76
88
Productivity
89
97
Customizability
86
98
Portability
80
82

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Max polling rate: 1,000 Hz
  • Mount style: Gasket Mount
  • QMK
See every spec side by side

Full specs

Keychron J12 HE vs Nuphy Air75 V3 specs

Every tracked spec, side by side. Rows marked with a dot differ between the boards.

13 of 30 specs differ

Keychron J12 HE

Nuphy Air75 V3

Typing & switches

Switch options

Clicky, Linear, Magnetic, Tactile
Clicky, Linear, Low-profile 3.0, Mechanical, Tactile

Hall effect (magnetic)

Yes
No

Rapid trigger

Yes
No

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Low profile

No
Yes

Sound dampening

Yes
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI, ISO, ISO-DE, ISO-FR, ISO-UK, JIS

Ergonomics

Standard
Standard

Knob

No
Yes

Display

None
None

Media keys

No
Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

1,000 Hz
1,000 Hz

Battery

—
4,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

Plastic
ABS, Aluminum, Plastic, Polycarbonate

Plate material

—
Aluminum, Polycarbonate

Keycaps

PBT
PBT

Weight

952 g
750 g

Dimensions

30 x 148 x 342 mm
13 x 319 x 129 mm

Typing angle

—
10°, 5°

Backlight

RGB, south-facing
RGB, south-facing

Firmware & software

QMK

Yes
Yes

VIA

Yes
Yes

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2026
2024

For EU buyers

ISO layouts by store

Which stores sell ISO-DE, UK, and the other regional layouts.

Keychron J12 HE

No ISO layout at the stores we track.

Nuphy Air75 V3

  • Input Gear

    ISO-DE

    In stockShips to you

  • Input Gear

    ISO-FR

    In stockShips to you

  • Input Gear

    ISO-DE

    In stockShips to you

Where to buy

Compare prices

Live prices from the stores we track, cheapest in-stock offer first.

Prices in USD are converted to your currency and can change at any time. KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

Lowest price across stores, Amazon excluded.

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