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

Head to head · Prices checked Nov 12, 2026

Leobog K81 Pro vs Redragon PENUMBRA K687

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

Leobog K81 Pro

Build quality in the top 35% of 75% boards under $100.

Rules this board out

  • North-facing LEDs. Cherry-profile keycaps can hit the switch housing.

Get the

Redragon PENUMBRA K687

Build quality in the top 35% of 75% boards under $100.

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.

Leobog K81 Pro

Redragon PENUMBRA K687

  • Connection

    Bluetooth, 2.4 GHz, Wired

    Wired

    Wireless for several devices and wired for lower latency

  • Case material

    Acrylic

    Aluminum

  • Display

    LCD

    None

    A case display rather than a typing feature

  • Weight

    900 g

    1,500 g

    Heavier boards stay planted and lighter ones travel

  • Backlight

    RGB, north-facing

    RGB

    RGB for looks and low light rather than speed

KeebFinder scores

How we score
  • Leobog K81 Pro
  • Redragon PENUMBRA K687
Performance
79
79
Build quality
73
73
Productivity
84
71
Customizability
82
61
Portability
81
60

What they share

  • Layout size: 75%
  • Hot-swappable
  • Mount style: Gasket Mount
  • Knob
  • Sound dampening
See every spec side by side

Full specs

Leobog K81 Pro vs Redragon PENUMBRA K687 specs

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

8 of 20 specs differ

Leobog K81 Pro

Redragon PENUMBRA K687

Typing & switches

Switch options

—
Linear

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
Yes

Display

LCD
None

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Wired

Battery

3,000 mAh
Wired only

USB-C

Yes
Yes

Build & materials

Case material

Acrylic
Aluminum

Plate material

Polycarbonate
—

Weight

900 g
1,500 g

Dimensions

45 x 335 x 142 mm
43 x 133 x 43 mm

Backlight

RGB, north-facing
RGB

Firmware & software

N-key rollover

Yes
Yes

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.

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.