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Head to head · Prices checked Nov 2, 2026

Redragon K688 Pro vs Noppoo C75 Pro

Get the Redragon K688 Pro for the 8,000 mAh battery. Get the Noppoo C75 Pro for screw-in stabilizers.

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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

Noppoo C75 Pro

  • Battery

    8,000 mAh

    4,000 mAh

    A larger battery means fewer cables during the day

  • Case material

    Plastic

    Aluminum

  • Display

    LED

    LCD

    A case display rather than a typing feature

  • Weight

    880 g

    886 g

    Heavier boards stay planted and lighter ones travel

  • Screw-in stabilizers

    No

    Yes

    Easier to tune than the plate-mount stabs you get prebuilt

KeebFinder scores

How we score
  • Redragon K688 Pro
  • Noppoo C75 Pro
Performance
58
50
Build quality
69
74
Productivity
76
91
Customizability
73
82
Portability
63
79

What they share

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

Full specs

Redragon K688 Pro vs Noppoo C75 Pro specs

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

8 of 23 specs differ

Redragon K688 Pro

Noppoo C75 Pro

Typing & switches

Switch options

—
Silent

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

—
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
Yes

Display

LED
LCD

Media keys

No
Yes

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
Aluminum

Plate material

Steel
—

Keycaps

PBT
PBT

Weight

880 g
886 g

Dimensions

38 x 394 x 144 mm
39 x 149 x 346 mm

Backlight

RGB
RGB

Firmware & software

Mac & Windows

Yes
Yes

Extras

Released

2026
2024

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.

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