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Head to head · Prices checked Oct 28, 2026

Keychron J12 HE vs V3 Ultra

Get the Keychron J12 HE for hall effect and rapid trigger. Get the Keychron V3 Ultra for the 8,000 Hz polling rate.

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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.
  • No numpad.

Get the

Keychron V3 Ultra

polling rate

Build quality in the top 10% of 80% boards under $150.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • No numpad.

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

Keychron V3 Ultra

  • Layout size

    75%

    80%

  • 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

  • Connection

    Bluetooth, 2.4 GHz, Wired

    Wired, Bluetooth, 2.4 GHz

    Wireless for several devices and wired for lower latency

  • Max polling rate

    1,000 Hz

    8,000 Hz

    Higher polling helps competitive FPS and does nothing for typing

KeebFinder scores

How we score
  • Keychron J12 HE
  • Keychron V3 Ultra
Performance
88
91
Build quality
76
83
Productivity
89
98
Customizability
86
94
Portability
80
76

What they share

  • Hot-swappable
  • Mount style: Gasket Mount
  • QMK
  • VIA
  • Sound dampening
  • Keycaps: PBT
See every spec side by side

Full specs

Keychron J12 HE vs V3 Ultra specs

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

14 of 29 specs differ

Keychron J12 HE

Keychron V3 Ultra

Typing & switches

Switch options

Clicky, Linear, Magnetic, Tactile
Clicky, Linear, Tactile

Hall effect (magnetic)

Yes
No

Rapid trigger

Yes
No

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

75%
80%

Layout standard

ANSI
ANSI, ISO, ISO-CH, ISO-DE, ISO-ES, 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
Wired, Bluetooth, 2.4 GHz

Max polling rate

1,000 Hz
8,000 HzBetter

Battery

—
4,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

Plastic
ABS, Plastic

Plate material

—
Polycarbonate

Keycaps

PBT
PBT

Weight

952 g
960 g

Dimensions

30 x 148 x 342 mm
33 x 368 x 149 mm

Typing angle

—
4°

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
2026

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.

Keychron V3 Ultra

  • Input Gear

    ISO-DE

    Out of stockShips to you

  • Keychron (DE)

    ISO-FR, ISO-ES

    In stockDoes not ship 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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