Head to head · Prices checked Oct 31, 2026

Keychron B39 vs K2 HE

Get the Keychron K2 HE for hall effect and rapid trigger.

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Keychron B39

No reviews

from$54at Keychron

Compare 2 stores

Hall effect

Keychron K2 HE

4.4 (54)4.4 · 54 reviews

from$129at Keychron

Compare 5 stores

Quick verdict

Which one should you get?

Get the

Keychron B39

Build quality in the bottom 15% of 96% boards under $100.

Rules this board out

Switches are soldered. Swapping them means soldering.
Low-profile switches and keycaps only. Standard MX keycaps will not fit.
No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
Compact full-size layout. The numpad is present, the gaps of a full-size board are not.

$54 at Keychron

Get the

Keychron K2 HE

Hall effect

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

Rules this board out

Magnetic switches only. Standard MX switches will not fit.
North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
No numpad.

$129 at Keychron

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 B39

Keychron K2 HE

Layout size
96%
75%
Hall effect (magnetic)
No
Yes
Adjustable actuation helps in games and not in normal typing
Rapid trigger
No
Yes
Faster resets help in games and not in normal typing
Hot-swappable
No
Yes
Switch changes without soldering
Battery
800 mAh
4,000 mAh
A larger battery means fewer cables during the day

KeebFinder scores

How we score

Keychron B39
Keychron K2 HE

Performance: 48
93
Build quality: 44
91
Productivity: 73
97
Customizability: 44
98
Portability: 49
81

What they share

Connection: Bluetooth, 2.4 GHz, Wired
Max polling rate: 1,000 Hz
Knob

See every spec side by side

Full specs

Keychron B39 vs K2 HE specs

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

20 of 30 specs differ

Spec

Keychron B39

Keychron K2 HE

Typing & switches

Switch options

Clicky, Linear, Tactile

Linear, Magnetic

Hall effect (magnetic)

Yes

Rapid trigger

Yes

Hot-swappable

Yes

Mount style

—

Plate Mount, Tray Mount

Low profile

Yes

Sound dampening

Yes

Screw-in stabilizers

Yes

Layout

Layout size

96%

75%

Layout standard

ANSI

ANSI, ISO, ISO-CH, ISO-DE, ISO-ES, ISO-FR, ISO-Nordic, ISO-UK, JIS

Ergonomics

Alice

Standard

Knob

Yes

Display

None

Media keys

Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired

Max polling rate

1,000 Hz

Battery

800 mAh

4,000 mAhBetter

USB-C

Yes

Build & materials

Case material

ABS, Plastic

ABS, Aluminum, Resin, Wood

Plate material

—

Aluminum

Keycaps

ABS

ABS, PBT, PC

Weight

680 g

1,743 g

Dimensions

—

41 x 127 x 321 mm

Typing angle

—

12°, 4°, 5°

Backlight

None

RGB, north-facing

Firmware & software

QMK

Yes

VIA

Yes

N-key rollover

Yes

Mac & Windows

Yes

Extras

Released

2026

2024

For EU buyers

ISO layouts by store

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

Keychron B39

No ISO layout at the stores we track.

Keychron K2 HE

Keychron
ISO-DE, ISO-UK, ISO-Nordic, ISO-CH
In stockShips to you
Input Gear
ISO-DE
Out of stockShips to you
Keychron (DE)
ISO-DE, ISO-UK, ISO-FR, ISO-ES, ISO-CH
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.

Keychron B392 stores