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Head to head · Prices checked Nov 12, 2026

Azio KB505U Vision vs Keychron Lemokey X4

Get the Keychron Lemokey X4 for knob and qmk.

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Quick verdict

Which one should you get?

Get the

Azio KB505U Vision

Get the

Keychron Lemokey X4

Knob

Build quality in the top 10% of 75% boards under $50.

Rules this board out

  • North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.

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.

Azio KB505U Vision

Keychron Lemokey X4

  • Connection

    Bluetooth, Wired

    Wired

    Wireless for several devices and wired for lower latency

  • Knob

    No

    Yes

  • Weight

    816 g

    712 g

    Heavier boards stay planted and lighter ones travel

  • QMK

    No

    Yes

    The deep option when you want to remap every key

  • Sound dampening

    No

    Yes

KeebFinder scores

How we score
  • Azio KB505U Vision
  • Keychron Lemokey X4
Performance
48
74
Build quality
52
82
Productivity
58
96
Customizability
63
82
Portability
52
64

What they share

  • Hot-swappable
See every spec side by side

Full specs

Azio KB505U Vision vs Keychron Lemokey X4 specs

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

12 of 25 specs differ

Azio KB505U Vision

Keychron Lemokey X4

Typing & switches

Switch options

—
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

—
Gasket Mount

Sound dampening

No
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

—
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

No
Yes

Display

None
None

Media keys

Yes
No

Connectivity & battery

Connection

Bluetooth, Wired
Wired

Max polling rate

—
1,000 Hz

USB-C

No
Yes

Build & materials

Case material

—
ABS, Plastic

Plate material

—
Polycarbonate

Keycaps

—
ABS, PBT

Weight

816 g
712 g

Dimensions

28 x 188 x 467 mm
41 x 325 x 145 mm

Typing angle

—
10°

Backlight

None
Yes, south-facing

Firmware & software

QMK

No
Yes

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2018
2024

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.

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