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Head to head · Prices checked Nov 12, 2026

Gamakay TK75SE vs Redragon PENUMBRA K687 Pro

Get the Redragon PENUMBRA K687 Pro for hot-swappable and knob.

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Quick verdict

Which one should you get?

Get the

Gamakay TK75SE

Build quality in the bottom 30% of 75% boards under $100.

Rules this board out

  • Switches are soldered. Swapping them means soldering.

Get the

Redragon PENUMBRA K687 Pro

Hot-swappable

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.

Gamakay TK75SE

Redragon PENUMBRA K687 Pro

  • Hot-swappable

    No

    Yes

    Switch changes without soldering

  • Case material

    Plastic

    Aluminum

  • Switch options

    Linear, Tactile

    Linear

  • Knob

    No

    Yes

  • N-key rollover

    No

    Yes

KeebFinder scores

How we score
  • Gamakay TK75SE
  • Redragon PENUMBRA K687 Pro
Performance
59
79
Build quality
55
73
Productivity
57
70
Customizability
46
61
Portability
74
74

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Mount style: Gasket Mount
  • Sound dampening
  • Keycaps: PBT
See every spec side by side

Full specs

Gamakay TK75SE vs Redragon PENUMBRA K687 Pro specs

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

5 of 20 specs differ

Gamakay TK75SE

Redragon PENUMBRA K687 Pro

Typing & switches

Switch options

Linear, Tactile
Linear

Hot-swappable

No
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

No
Yes

Display

None
None

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Bluetooth, 2.4 GHz, Wired

Battery

4,000 mAh
—

USB-C

Yes
Yes

Build & materials

Case material

Plastic
Aluminum

Plate material

Polycarbonate
—

Keycaps

PBT
PBT

Weight

—
1,800 g

Dimensions

—
43 x 132 x 43 mm

Backlight

RGB
RGB

Firmware & software

N-key rollover

No
Yes

Extras

Released

2024
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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