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Head to head · Prices checked Nov 14, 2026

AULA F75 Max vs Keychron K3 Max

Get the AULA F75 Max for the 4,000 mAh battery.

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Quick verdict

Which one should you get?

Get the

AULA F75 Max

Battery

Build quality in the top 25% of 75% boards under $100.

Rules this board out

  • 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.

Get the

Keychron K3 Max

Build quality in the top 5% of 75% boards under $100.

Rules this board out

  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.
  • North-facing LEDs. Cherry-profile keycaps can hit the switch housing.

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 Max

Keychron K3 Max

  • Battery

    4,000 mAh

    1,550 mAh

    A larger battery means fewer cables during the day

  • Low profile

    No

    Yes

  • Case material

    ABS

    ABS, Aluminum, Plastic, Wood

  • Switch options

    Linear

    Clicky, Linear, Tactile

  • Mount style

    Gasket Mount

    Plate Mount

KeebFinder scores

How we score
  • AULA F75 Max
  • Keychron K3 Max
Performance
78
81
Build quality
76
86
Productivity
91
94
Customizability
78
91
Portability
79
77

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Max polling rate: 1,000 Hz
  • Sound dampening
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 Max

4.8

52 owner reviews

Praise
“Great sound, great control wheel, and overall amazing quality for the price. It even costs less than my older keyboard and performs better. Truly a great keyboard!”
Nadav S.Verified buyer· via Epomaker
Critique
“U gave me a pink cable as a compensation even tho I am a boy”
MOHAMMED I.Verified buyer· via Epomaker

Keychron K3 Max

4.3

15 owner reviews

Praise
“Noce keyboard, i appreciate the level of customization QMK provides. One thing was little disappointing - the tactile feeling comparing to K3. Other than that its very good kb!”
SergeiVerified buyer· via Keychron
Critique
“I sold my k3 pro and got this. The one I got drops connection intermittently or doesn't type or respond right away. It sounds nice, but stiff reds are not as pleasant to type on as previous keyboards reds. I really thought I ordered hotswap RGB max but seems…”
SianiVerified buyer· via Keychron

Full specs

AULA F75 Max vs Keychron K3 Max specs

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

17 of 28 specs differ

AULA F75 Max

Keychron K3 Max

Typing & switches

Switch options

Linear
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Plate Mount

Low profile

No
Yes

Sound dampening

Yes
Yes

Screw-in stabilizers

Yes
Yes

Layout

Layout size

75%
75%

Layout standard

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

Ergonomics

Standard
Standard

Knob

Yes
No

Display

TFT
None

Media keys

No
Yes

Connectivity & battery

Connection

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

Max polling rate

1,000 Hz
1,000 Hz

Battery

4,000 mAhBetter
1,550 mAh

USB-C

Yes
Yes

Build & materials

Case material

ABS
ABS, Aluminum, Plastic, Wood

Plate material

Plastic
Aluminum, Plastic, Polycarbonate

Keycaps

PBT
ABS, PBT

Weight

960 g
580 g

Dimensions

44 x 328 x 143 mm
22 x 306 x 116 mm

Typing angle

—
3°, 7°

Backlight

RGB, south-facing
RGB, north-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2024
2023

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 F75 Max3 stores

For EU buyers

ISO layouts by store

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

AULA F75 Max

No ISO layout at the stores we track.

Keychron K3 Max

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