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Head to head · Prices checked Nov 10, 2026

Zuoya GMK108 vs Keychron J2

Get the Zuoya GMK108 for the 4,000 mAh battery and knob. Get the Keychron J2 for qmk.

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Quick verdict

Which one should you get?

Get the

Zuoya GMK108

Battery

Build quality in the top 15% of 100% boards under $100.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
$80 at ktechs

Get the

Keychron J2

QMK

Build quality in the top 40% of 75% boards under $100.

Rules this board out

  • No numpad.
$59 at Keychron

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.

Zuoya GMK108

Keychron J2

  • Layout size

    100%

    75%

  • Battery

    4,000 mAh

    3,750 mAh

    A larger battery means fewer cables during the day

  • Knob

    Yes

    No

  • Display

    LCD

    None

    A case display rather than a typing feature

  • QMK

    No

    Yes

    The deep option when you want to remap every key

KeebFinder scores

How we score
  • Zuoya GMK108
  • Keychron J2
Performance
82
69
Build quality
77
71
Productivity
70
73
Customizability
87
86
Portability
51
73

What they share

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

Full specs

Zuoya GMK108 vs Keychron J2 specs

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

10 of 22 specs differ

Zuoya GMK108

Keychron J2

Typing & switches

Switch options

—
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
—

Sound dampening

No
Yes

Layout

Layout size

100%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
No

Display

LCD
None

Media keys

No
Yes

Connectivity & battery

Connection

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

Max polling rate

—
1,000 Hz

Battery

4,000 mAhBetter
3,750 mAh

Build & materials

Case material

ABS
—

Plate material

Polycarbonate
—

Keycaps

—
PBT

Backlight

RGB, south-facing
RGB

Firmware & software

QMK

No
Yes

VIA

Yes
Yes

N-key rollover

Yes
No

Mac & Windows

Yes
No

Extras

Released

2025
2025

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.

Zuoya GMK1082 stores
Keychron J23 stores

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