Not sure which keyboard to choose? Try the Keyboard Finder now!

Head to head · Prices checked Nov 11, 2026

HEX Keyboards HEX.4B vs LUMINKEY LO75

Get the LUMINKEY LO75 for hot-swappable and via.

KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

Quick verdict

Which one should you get?

Get the

HEX Keyboards HEX.4B

Build quality in the bottom 20% of 75% boards at any price.

Rules this board out

  • Switches are soldered. Swapping them means soldering.

Get the

LUMINKEY LO75

Hot-swappable

Build quality in the bottom 35% of 75% boards under $300.

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.

HEX Keyboards HEX.4B

LUMINKEY LO75

  • Hot-swappable

    No

    Yes

    Switch changes without soldering

  • Mount style

    PCB Mount

    Gasket Mount

  • VIA

    No

    Yes

    GUI remapping without compiling firmware

  • Sound dampening

    No

    Yes

  • Screw-in stabilizers

    No

    Yes

    Easier to tune than the plate-mount stabs you get prebuilt

KeebFinder scores

How we score
  • HEX Keyboards HEX.4B
  • LUMINKEY LO75
Performance
46
57
Build quality
51
61
Productivity
45
91
Customizability
50
78
Portability
58
83

What they share

  • Layout size: 75%
See every spec side by side

Full specs

HEX Keyboards HEX.4B vs LUMINKEY LO75 specs

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

8 of 21 specs differ

HEX Keyboards HEX.4B

LUMINKEY LO75

Typing & switches

Hot-swappable

No
Yes

Mount style

PCB Mount
Gasket Mount

Sound dampening

No
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Connectivity & battery

Connection

—
Bluetooth, 2.4 GHz, Wired

Max polling rate

—
1,000 Hz

Battery

—
4,400 mAh

USB-C

No
Yes

Build & materials

Case material

—
Plastic

Plate material

—
Plastic

Keycaps

—
PBT

Dimensions

—
18 x 138 x 326 mm

Typing angle

—
7°

Backlight

None
RGB

Firmware & software

VIA

No
Yes

Mac & Windows

No
Yes

Extras

Released

2024
2024

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.

Still torn?

Answer a few quick questions and the keyboard finder ranks 2,000+ boards by how you will actually use yours.