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Head to head · Prices checked Oct 31, 2026

Keychron J4 vs iBlancod YK830 Pro

Get the Keychron J4 for qmk and via.

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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.
  • No numpad.
$59 at Keychron

Get the

iBlancod YK830 Pro

Rules this board out

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

iBlancod YK830 Pro

  • Layout size

    80%

    87%

  • 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

  • Media keys

    Yes

    No

KeebFinder scores

How we score
  • Keychron J4
  • iBlancod YK830 Pro
Performance
82
63
Build quality
71
58
Productivity
89
52
Customizability
89
69
Portability
73
48

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Case material: ABS
See every spec side by side

Full specs

Keychron J4 vs iBlancod YK830 Pro specs

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

9 of 25 specs differ

Keychron J4

iBlancod YK830 Pro

Typing & switches

Switch options

Clicky, Linear, Tactile
—

Hot-swappable

Yes
Yes

Mount style

—
Top 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
ABS

Plate material

Steel
—

Keycaps

PBT
—

Weight

870 g
—

Dimensions

38 x 366 x 138 mm
—

Typing angle

10°
—

Backlight

RGB, north-facing
RGB, north-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
iBlancod YK830 Pro2 stores

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