Head to head · Prices checked Nov 7, 2026

Keychron B31 vs Q4

Get the Keychron Q4 for hot-swappable.

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Keychron B31

No reviews

from$34at MK

90-day lowLowest price in 90 days

Compare 4 stores

Hot-swappable

Keychron Q4

4.7 (10)4.7 · 10 reviews

from$59at Keychron

Compare 4 stores

Quick verdict

Which one should you get?

Get the

Keychron B31

Build quality in the bottom 20% of 75% boards under $50.

Rules this board out

Switches are soldered. Swapping them means soldering.
No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
No numpad.

$34 at MK

Get the

Keychron Q4

Hot-swappable

Build quality in the top 5% of 60% boards under $100.

Rules this board out

South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
Compact layout only. No function row, dedicated arrow keys, or numpad.

$59 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 B31

Keychron Q4

Layout size
75%
60%
Connection
Bluetooth, 2.4 GHz, Wired
Wired
Wireless for several devices and wired for lower latency
Hot-swappable
No
Yes
Switch changes without soldering
Case material
ABS, Plastic
Aluminum
Mount style
PCB Mount
Gasket Mount, Plate Mount

KeebFinder scores

How we score

Keychron B31
Keychron Q4

Performance: 59
66
Build quality: 52
90
Productivity: 69
95
Customizability: 47
98
Portability: 78
70

What they share

Max polling rate: 1,000 Hz
Switch options: Clicky, Linear, Tactile

See every spec side by side

Full specs

Keychron B31 vs Q4 specs

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

18 of 27 specs differ

Spec

Keychron B31

Keychron Q4

Typing & switches

Switch options

Clicky, Linear, Tactile

Hot-swappable

Yes

Mount style

PCB Mount

Gasket Mount, Plate Mount

Sound dampening

Yes

Screw-in stabilizers

Yes

Layout

Layout size

75%

60%

Layout standard

ANSI

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

Ergonomics

Standard

Knob

Yes

Display

None

Media keys

Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired

Wired

Max polling rate

1,000 Hz

Battery

800 mAh

Wired only

USB-C

Yes

Build & materials

Case material

ABS, Plastic

Aluminum

Plate material

—

Steel

Keycaps

ABS

ABS, PBT

Weight

520 g

1,500 g

Dimensions

26 x 138 x 327 mm

20 x 121 x 303 mm

Typing angle

5°

7°

Backlight

None

RGB, south-facing

Firmware & software

QMK

Yes

VIA

Yes

N-key rollover

Yes

Mac & Windows

Yes

Extras

Released

2026

2022

For EU buyers

ISO layouts by store

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

Keychron B31

No ISO layout at the stores we track.

Keychron Q4

Keychron
ISO-DE, ISO-UK, ISO-Nordic, ISO-FR, ISO-ES, ISO-SW
In stockShips to you
Keychron (DE)
ISO-DE, ISO-UK, ISO-Nordic, ISO-FR, ISO-ES, ISO-SW
In stockDoes not ship to you

Where to buy

Compare prices

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

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Lowest price across stores, Amazon excluded.

Keychron B314 stores