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Head to head · Prices checked Oct 28, 2026

Ajazz AKS075 vs Keychron K4 HE

Get the Ajazz AKS075 for the 5,000 mAh battery. Get the Keychron K4 HE for hall effect and rapid trigger.

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Quick verdict

Which one should you get?

Get the

Ajazz AKS075

Battery

Build quality in the bottom 30% of 75% boards under $100.

Rules this board out

  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
  • No numpad.

Get the

Keychron K4 HE

Hall effect

Build quality in the top 10% of 96% boards under $150.

Rules this board out

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

Ajazz AKS075

Keychron K4 HE

  • Layout size

    75%

    96%

  • Hall effect (magnetic)

    No

    Yes

    Adjustable actuation helps in games and not in normal typing

  • Rapid trigger

    No

    Yes

    Faster resets help in games and not in normal typing

  • Connection

    Bluetooth, 2.4 GHz, Wired

    Bluetooth, Wired, 2.4 GHz

    Wireless for several devices and wired for lower latency

  • Battery

    5,000 mAh

    4,000 mAh

    A larger battery means fewer cables during the day

KeebFinder scores

How we score
  • Ajazz AKS075
  • Keychron K4 HE
Performance
51
92
Build quality
55
87
Productivity
80
94
Customizability
78
89
Portability
76
56

What they share

  • Hot-swappable
  • Sound dampening
  • Keycaps: PBT
See every spec side by side

Full specs

Ajazz AKS075 vs Keychron K4 HE specs

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

23 of 29 specs differ

Ajazz AKS075

Keychron K4 HE

Typing & switches

Switch options

Linear
Clicky, Linear, Magnetic, Tactile

Hall effect (magnetic)

No
Yes

Rapid trigger

No
Yes

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Tray Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

75%
96%

Layout standard

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

Ergonomics

Alice
Standard

Knob

Yes
No

Display

TFT
None

Media keys

Yes
No

Connectivity & battery

Connection

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

Max polling rate

—
1,000 Hz

Battery

5,000 mAhBetter
4,000 mAh

USB-C

No
Yes

Build & materials

Case material

ABS, Plastic
ABS, Aluminum, Plastic, Wood

Plate material

Plastic
Aluminum

Keycaps

PBT
PBT

Weight

890 g
1,090 g

Dimensions

20 x 146 x 333 mm
31 x 126 x 373 mm

Typing angle

—
5°, 8°

Backlight

RGB
RGB, north-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2024
2025

For EU buyers

ISO layouts by store

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

Ajazz AKS075

No ISO layout at the stores we track.

Keychron K4 HE

  • Keychron

    ISO-DE, ISO-UK, ISO-Nordic, ISO-CH

    In stockShips to you

  • Keychron (DE)

    ISO-DE, ISO-UK, ISO-FR, ISO-ES, ISO-CH

    In 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.

Ajazz AKS0753 stores

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