KeebFinder
Not sure which keyboard to choose? Try the Keyboard Finder now!

Head to head · Prices checked Oct 31, 2026

Keychron J4 vs Weikav WK87

Get the Keychron J4 for qmk and via.

KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

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.
  • No numpad.
$59 at Keychron

Get the

Weikav WK87

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
$60 at ktechs

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

Weikav WK87

  • Layout size

    80%

    87%

  • Switch options

    Clicky, Linear, Tactile

    Linear

  • QMK

    Yes

    No

    The deep option when you want to remap every key

  • VIA

    Yes

    No

    GUI remapping without compiling firmware

  • Sound dampening

    Yes

    No

KeebFinder scores

How we score
  • Keychron J4
  • Weikav WK87
Performance
82
62
Build quality
71
63
Productivity
89
51
Customizability
89
67
Portability
73
48

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Keycaps: PBT
See every spec side by side

Full specs

Keychron J4 vs Weikav WK87 specs

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

11 of 25 specs differ

Keychron J4

Weikav WK87

Typing & switches

Switch options

Clicky, Linear, Tactile
Linear

Hot-swappable

Yes
Yes

Mount style

—
Gasket Mount

Sound dampening

Yes
No

Layout

Layout size

80%
87%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Media keys

Yes
No

Connectivity & battery

Connection

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

Max polling rate

1,000 Hz
—

Battery

4,000 mAh
—

USB-C

Yes
No

Build & materials

Case material

ABS
—

Plate material

Steel
—

Keycaps

PBT
PBT

Weight

870 g
—

Dimensions

38 x 366 x 138 mm
—

Typing angle

10°
—

Backlight

RGB, north-facing
RGB, south-facing

Firmware & software

QMK

Yes
No

VIA

Yes
No

N-key rollover

Yes
No

Mac & Windows

Yes
No

Extras

Released

2025
2026

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
Weikav WK872 stores

Keep exploring

Not sold on either?

Still torn?

Answer a few quick questions and the keyboard finder ranks 2,000+ boards by how you will actually use yours.

Find my keyboardBrowse all keyboards