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Head to head · Prices checked Nov 2, 2026

Redragon K688 Pro vs Skyloong GK75

Get the Redragon K688 Pro for the 8,000 mAh battery.

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Quick verdict

Which one should you get?

Get the

Redragon K688 Pro

Battery

Rules this board out

  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
$62 at Redragon

Get the

Skyloong GK75

Build quality in the top 50% of 75% boards under $100.

Rules this board out

  • North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
$59 at Skyloong

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.

Redragon K688 Pro

Skyloong GK75

  • Battery

    8,000 mAh

    4,000 mAh

    A larger battery means fewer cables during the day

  • Ergonomics

    Standard

    Split Spacebar

  • Case material

    Plastic

    ABS, Aluminum

  • Display

    LED

    None

    A case display rather than a typing feature

  • Weight

    880 g

    1,200 g

    Heavier boards stay planted and lighter ones travel

KeebFinder scores

How we score
  • Redragon K688 Pro
  • Skyloong GK75
Performance
58
61
Build quality
69
66
Productivity
76
83
Customizability
73
78
Portability
63
79

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Mount style: Gasket Mount
  • Knob
  • Sound dampening
See every spec side by side

Full specs

Redragon K688 Pro vs Skyloong GK75 specs

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

12 of 22 specs differ

Redragon K688 Pro

Skyloong GK75

Typing & switches

Switch options

—
Clicky, Linear, Silent, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

—
75%

Layout standard

ANSI
ANSI, ISO

Ergonomics

Standard
Split Spacebar

Knob

Yes
Yes

Display

LED
None

Connectivity & battery

Connection

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

Max polling rate

1,000 Hz
—

Battery

8,000 mAhBetter
4,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

Plastic
ABS, Aluminum

Plate material

Steel
Polycarbonate, Steel

Keycaps

PBT
ABS, PBT

Weight

880 g
1,200 g

Dimensions

38 x 394 x 144 mm
36 x 323 x 41 mm

Backlight

RGB
RGB, north-facing

Firmware & software

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2026
2022

For EU buyers

ISO layouts by store

Which stores sell ISO-DE, UK, and the other regional layouts.

Redragon K688 Pro

No ISO layout at the stores we track.

Skyloong GK75

  • Skyloong

    ISO

    In stockShips to you

  • WhatGeek

    ISO

    Out of stockShips to you

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.

Redragon K688 Pro2 stores
Skyloong GK754 stores

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