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Head to head · Prices checked Nov 11, 2026

Keychron J4 vs Monka 6087

Get the Keychron J4 for qmk.

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Quick verdict

Which one should you get?

Get the

Keychron J4

QMK

Build quality in the top 30% of 80% boards under $100.

Rules this board out

  • North-facing LEDs. Cherry-profile keycaps can hit the switch housing.

Get the

Monka 6087

Build quality in the top 45% of 80% 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.

Keychron J4

Monka 6087

  • Connection

    Bluetooth, 2.4 GHz, Wired

    Wired

    Wireless for several devices and wired for lower latency

  • Case material

    ABS

    Aluminum

  • Switch options

    Clicky, Linear, Tactile

    Linear

  • Weight

    870 g

    2,000 g

    Heavier boards stay planted and lighter ones travel

  • QMK

    Yes

    No

    The deep option when you want to remap every key

KeebFinder scores

How we score
  • Keychron J4
  • Monka 6087
Performance
82
49
Build quality
71
64
Productivity
89
60
Customizability
89
70
Portability
73
52

What they share

  • Layout size: 80%
  • Hot-swappable
  • Sound dampening
See every spec side by side

Full specs

Keychron J4 vs Monka 6087 specs

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

13 of 25 specs differ

Keychron J4

Monka 6087

Typing & switches

Switch options

Clicky, Linear, Tactile
Linear

Hot-swappable

Yes
Yes

Mount style

—
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

80%
80%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Media keys

Yes
No

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Wired

Max polling rate

1,000 Hz
—

Battery

4,000 mAh
Wired only

USB-C

Yes
No

Build & materials

Case material

ABS
Aluminum

Plate material

Steel
—

Keycaps

PBT
—

Weight

870 g
2,000 g

Dimensions

38 x 366 x 138 mm
32 x 142 x 367 mm

Typing angle

10°
—

Backlight

RGB, north-facing
RGB

Firmware & software

QMK

Yes
No

VIA

Yes
No

N-key rollover

Yes
No

Mac & Windows

Yes
No

Extras

Released

2025
2024

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.

Keychron J43 stores
Monka 60872 stores

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