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Head to head · Prices checked Nov 10, 2026

AULA F75 vs Redragon TRUNDLE K668

Get the AULA F75 for knob.

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Quick verdict

Which one should you get?

Get the

AULA F75

Knob

Build quality in the top 30% of 75% boards under $50.

Rules this board out

  • North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • No numpad.

Get the

Redragon TRUNDLE K668

Build quality in the top 20% of 100% 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.

AULA F75

Redragon TRUNDLE K668

  • Layout size

    75%

    100%

  • Connection

    Bluetooth, 2.4 GHz, Wired

    Wired, Bluetooth, 2.4 GHz

    Wireless for several devices and wired for lower latency

  • Switch options

    Linear, Silent

    Linear

  • Mount style

    Gasket Mount

    Bottom Mount, Gasket Mount

  • Knob

    Yes

    No

KeebFinder scores

How we score
  • AULA F75
  • Redragon TRUNDLE K668
Performance
81
64
Build quality
76
69
Productivity
93
73
Customizability
82
57
Portability
83
51

What they share

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

Full specs

AULA F75 vs Redragon TRUNDLE K668 specs

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

12 of 23 specs differ

AULA F75

Redragon TRUNDLE K668

Typing & switches

Switch options

Linear, Silent
Linear

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Bottom Mount, Gasket Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

Yes
No

Layout

Layout size

75%
100%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
No

Display

None
None

Media keys

Yes
No

Connectivity & battery

Connection

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

Max polling rate

1,000 Hz
—

Battery

4,000 mAh
—

USB-C

Yes
Yes

Build & materials

Case material

Plastic
Plastic

Keycaps

ABS, PBT
ABS, PBT

Weight

1,023 g
880 g

Dimensions

43 x 143 x 323 mm
37 x 364 x 133 mm

Backlight

RGB, south-facing
RGB

Firmware & software

N-key rollover

Yes
No

Mac & Windows

Yes
No

Extras

Released

2023
2023

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.

AULA F755 stores

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