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Head to head · Prices checked Nov 7, 2026

AULA F75 vs Keychron K4 Pro

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Quick verdict

Which one should you get?

Get the

AULA F75

Build quality in the bottom 35% 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 ISO layout. ISO-DE, UK, and other ISO variants are not offered.
  • No numpad.

Get the

Keychron K4 Pro

Build quality in the top 10% of 96% boards under $100.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • Compact full-size layout. The numpad is present, the gaps of a full-size board are not.

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

Keychron K4 Pro

  • Layout size

    75%

    96%

  • Connection

    Bluetooth, 2.4 GHz, Wired

    Bluetooth, Wired

    Wireless for several devices and wired for lower latency

  • Case material

    Plastic

    ABS, Plastic

  • Switch options

    Linear, Silent

    Clicky, Linear, Tactile

  • Mount style

    Gasket Mount

    Tray Mount

KeebFinder scores

How we score
  • AULA F75
  • Keychron K4 Pro
Performance
63
81
Build quality
66
84
Productivity
93
95
Customizability
82
96
Portability
83
54

What they share

  • Hot-swappable
  • Battery: 4,000 mAh
  • Max polling rate: 1,000 Hz
  • Sound dampening
  • Keycaps: ABS, PBT
See every spec side by side

From real owners

What owners say

Ratings and quotes collected from verified store reviews, including the critical ones.

AULA F75

4.5

510 owner reviews

Praise
“Works exactly as intended and still works as new. The 2.4 GHz Receiver doesn't communicate correctly and isn't reliable but on BT and Cable it works perfectly”
MegaNoobyYTVerified buyer· via Epomaker
Critique
“I made an order for EPOMAKER x AULA 75 with express shipping on 27/1/24. Emailed the team TWICE. Now its 19/3/24, and i still dont have the item. Very poor service”
Faisal A.Verified buyer· via Epomaker

Keychron K4 Pro

4.7

7 owner reviews

Praise
“I previously had a normal K4 and i love the new one, the only thing is that the stabilizers lube work is kinda bad and the space bar was very rattly but after some lube work the K4 pro retakes the perfect productivity keyboard.”
Adrian T.Verified buyer· via Keychron

Full specs

AULA F75 vs Keychron K4 Pro specs

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

12 of 27 specs differ

AULA F75

Keychron K4 Pro

Typing & switches

Switch options

Linear, Silent
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Tray Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

Yes
Yes

Layout

Layout size

75%
96%

Layout standard

ANSI
ANSI, ISO, ISO-DE, ISO-ES, ISO-FR, ISO-Nordic, ISO-SW, ISO-UK

Ergonomics

Standard
Standard

Knob

Yes
No

Display

None
None

Media keys

Yes
Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Bluetooth, Wired

Max polling rate

1,000 Hz
1,000 Hz

Battery

4,000 mAh
4,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

Plastic
ABS, Plastic

Plate material

—
Steel

Keycaps

ABS, PBT
ABS, PBT

Weight

1,023 g
1,280 g

Dimensions

43 x 143 x 323 mm
31 x 391 x 139 mm

Typing angle

—
3°

Backlight

RGB, south-facing
RGB, south-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2023
2022

For EU buyers

ISO layouts by store

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

AULA F75

No ISO layout at the stores we track.

Keychron K4 Pro

  • Keychron

    ISO-DE, ISO-UK, ISO-Nordic, ISO-FR, ISO-ES, ISO-SW

    In stockShips to you

  • Keychron (DE)

    ISO-DE, ISO-UK, ISO-FR, ISO-ES, ISO-SW

    Out of stockDoes not ship 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.

AULA F755 stores

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