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Head to head · Prices checked Oct 31, 2026

Keychron 81 Pro vs PBTfans Athena 1800

Get the Keychron 81 Pro for knob.

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Quick verdict

Which one should you get?

Get the

Keychron 81 Pro

Knob

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

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • No numpad.

Get the

PBTfans Athena 1800

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 81 Pro

PBTfans Athena 1800

  • Layout size

    75%

    95%

  • Connection

    Bluetooth, Wired

    Wired

    Wireless for several devices and wired for lower latency

  • Switch options

    Clicky, Linear, Tactile

    Clicky, Linear

  • Mount style

    Gasket Mount, Plate Mount

    Top Mount

  • Knob

    Yes

    No

KeebFinder scores

How we score
  • Keychron 81 Pro
  • PBTfans Athena 1800
Performance
82
68
Build quality
87
75
Productivity
97
69
Customizability
94
74
Portability
82
44

What they share

  • Hot-swappable
  • Case material: Aluminum
  • Sound dampening
  • Keycaps: PBT
See every spec side by side

Full specs

Keychron 81 Pro vs PBTfans Athena 1800 specs

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

18 of 28 specs differ

Keychron 81 Pro

PBTfans Athena 1800

Typing & switches

Switch options

Clicky, Linear, Tactile
Clicky, Linear

Hot-swappable

Yes
Yes

Mount style

Gasket Mount, Plate Mount
Top Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

Yes
No

Layout

Layout size

75%
95%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
No

Display

None
LCD

Media keys

Yes
No

Connectivity & battery

Connection

Bluetooth, Wired
Wired

Max polling rate

1,000 Hz
—

Battery

4,000 mAh
Wired only

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
Aluminum

Plate material

Polycarbonate
Aluminum, Brass, CarbonFiber, FR4, Polycarbonate, Steel

Keycaps

PBT
PBT

Weight

1,887 g
2,500 g

Dimensions

47 x 338 x 151 mm
9 x 1800 x 300 mm

Typing angle

—
9°

Backlight

RGB, south-facing
RGB

Firmware & software

QMK

Yes
No

VIA

Yes
No

VIAL

No
Yes

N-key rollover

Yes
No

Mac & Windows

Yes
No

Extras

Released

2023
2025

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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