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Head to head · Prices checked Oct 21, 2026

Keychron J2 vs Royal Kludge RK84

Get the Keychron J2 for qmk and via. Get the Royal Kludge RK84 for usb passthrough.

Keychron J2 QMK Wireless Mechanical Keyboard

QMK

Keychron J2

4.4 · 11 reviews

from$59at Keychron

Shop nowCompare 2 stores

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 J2

Royal Kludge RK84

  • Switch options

    Clicky, Linear, Tactile

    Clicky, Linear, Silent, Tactile

  • QMK

    Yes

    No

  • VIA

    Yes

    No

  • Keycaps

    PBT

    ABS, PBT

  • USB passthrough

    No

    Yes

KeebFinder scores

How we score
  • Keychron J2
  • Royal Kludge RK84
Performance
70
63
Build quality
71
50
Productivity
74
77
Customizability
86
68
Portability
73
80

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Battery: 3,750 mAh
  • Max polling rate: 1,000 Hz
  • Sound dampening
See every spec side by side

From real owners

What owners say

Ratings and quotes collected from verified store reviews, including the critical ones.

Keychron J2

4.4

11 owner reviews

Praise
“I absolutely love this keyboard. It sounds amazing and the red switches are so smooth in feel. The colours are also great.”
WojciechVerified buyer· via Keychron
Critique
“The keyboard is nice, but it took over 3 weeks of shipping to arrive. On their website it says they deliver in a week or under to the US.”
JaydenVerified buyer· via Keychron

Royal Kludge RK84

No owner reviews collected yet.

Full specs

Keychron J2 vs Royal Kludge RK84 specs

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

8 of 23 specs differ

Keychron J2

Royal Kludge RK84

Typing & switches

Switch options

Clicky, Linear, Tactile
Clicky, Linear, Silent, Tactile

Hot-swappable

Yes
Yes

Sound dampening

Yes
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Media keys

Yes
Yes

Connectivity & battery

Connection

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

Max polling rate

1,000 Hz
1,000 Hz

Battery

3,750 mAh
3,750 mAh

USB passthrough

No
Yes

USB-C

No
Yes

Build & materials

Case material

—
Plastic

Keycaps

PBT
ABS, PBT

Weight

—
803.5 g

Dimensions

—
41 x 315 x 125 mm

Typing angle

—
8°

Backlight

RGB
RGB

Firmware & software

QMK

Yes
No

VIA

Yes
No

Mac & Windows

No
Yes

Extras

Released

2025
2021

Where to buy

Compare prices

Live prices from the stores we track, cheapest in-stock offer first.

Lowest price across stores, Amazon excluded.

Keychron J23 stores
  • KeychronHK

    In stock
    $59Visit
  • Keychron (DE)DE

    In stock
    $105Visit
  • AmazonGlobal

    Check price
    ~$59Visit
  • Royal KludgeUS

    In stock
    $54Visit
  • AmazonGlobal

    Check price
    Visit

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