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Head to head · Prices checked Nov 11, 2026

Ajazz AK820 Max vs Keychron Lemokey X4

Get the Ajazz AK820 Max for hall effect.

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Quick verdict

Which one should you get?

Get the

Ajazz AK820 Max

Hall effect

Build quality in the top 45% of 75% boards under $100.

Rules this board out

  • Magnetic switches only. Standard MX switches will not fit.

Get the

Keychron Lemokey X4

Build quality in the top 10% 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.

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 AK820 Max

Keychron Lemokey X4

  • Hall effect (magnetic)

    Yes

    No

    Adjustable actuation helps in games and not in normal typing

  • Connection

    Bluetooth, 2.4 GHz, Wired

    Wired

    Wireless for several devices and wired for lower latency

  • Case material

    ABS, PBT

    ABS, Plastic

  • Switch options

    Linear, Magnetic

    Clicky, Linear, Tactile

  • Display

    TFT

    None

    A case display rather than a typing feature

KeebFinder scores

How we score
  • Ajazz AK820 Max
  • Keychron Lemokey X4
Performance
75
74
Build quality
69
82
Productivity
85
96
Customizability
75
82
Portability
81
64

What they share

  • Layout size: 75%
  • Hot-swappable
  • Mount style: Gasket Mount
  • Knob
  • Sound dampening
See every spec side by side

Full specs

Ajazz AK820 Max vs Keychron Lemokey X4 specs

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

13 of 26 specs differ

Ajazz AK820 Max

Keychron Lemokey X4

Typing & switches

Switch options

Linear, Magnetic
Clicky, Linear, Tactile

Hall effect (magnetic)

Yes
No

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
Yes

Display

TFT
None

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Wired

Max polling rate

—
1,000 Hz

Battery

4,000 mAh
Wired only

USB-C

Yes
Yes

Build & materials

Case material

ABS, PBT
ABS, Plastic

Plate material

FR4
Polycarbonate

Keycaps

PBT
ABS, PBT

Weight

850 g
712 g

Dimensions

20 x 333 x 143 mm
41 x 325 x 145 mm

Typing angle

—
10°

Backlight

RGB
Yes, south-facing

Firmware & software

QMK

No
Yes

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2024
2024

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.

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