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Head to head · Prices checked Nov 13, 2026

HMX GB40 vs Keychron K7

Get the HMX GB40 for sound dampening.

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Quick verdict

Which one should you get?

Get the

HMX GB40

Sound dampening

Build quality in the bottom 50% of 40% boards under $150.

Rules this board out

  • 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.
  • Compact layout only. No function row, dedicated arrow keys, or numpad.

Get the

Keychron K7

Build quality in the top 50% of 65% boards under $100.

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.
  • 65% layout. No function row and 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.

HMX GB40

Keychron K7

  • Layout size

    40%

    65%

  • Low profile

    No

    Yes

  • Case material

    Aluminum

    Aluminum, Plastic

  • Mount style

    Gasket Mount

    Tray Mount

  • Sound dampening

    Yes

    No

KeebFinder scores

How we score
  • HMX GB40
  • Keychron K7
Performance
56
55
Build quality
68
66
Productivity
56
59
Customizability
56
67
Portability
84
86

What they share

  • Connection: Bluetooth, Wired
  • Hot-swappable
See every spec side by side

Full specs

HMX GB40 vs Keychron K7 specs

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

11 of 21 specs differ

HMX GB40

Keychron K7

Typing & switches

Switch options

—
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Tray Mount

Low profile

No
Yes

Sound dampening

Yes
No

Layout

Layout size

40%
65%

Layout standard

ANSI
ANSI, ISO, ISO-DE, ISO-Nordic, ISO-UK, JIS

Ergonomics

Standard
Standard

Display

None
None

Media keys

No
Yes

Connectivity & battery

Connection

Bluetooth, Wired
Bluetooth, Wired

Battery

—
1,550 mAh

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
Aluminum, Plastic

Keycaps

ABS, PBT
ABS

Weight

—
348.7 g

Dimensions

—
22 x 307 x 98 mm

Typing angle

6°
—

Backlight

RGB, south-facing
RGB, north-facing

Firmware & software

Mac & Windows

No
Yes

Extras

Released

2025
2021

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.

HMX GB402 stores
Keychron K74 stores

For EU buyers

ISO layouts by store

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

HMX GB40

No ISO layout at the stores we track.

Keychron K7

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