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

Head to head · Prices checked Nov 10, 2026

Evoworks Evo80 vs Keychron J4

Get the Evoworks Evo80 for the 8,000 mAh battery. Get the Keychron J4 for qmk.

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

Evoworks Evo80

Battery

Build quality in the top 15% of 80% boards under $200.

Rules this board out

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

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.

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.

Evoworks Evo80

Keychron J4

  • Battery

    8,000 mAh

    4,000 mAh

    A larger battery means fewer cables during the day

  • Case material

    Aluminum, Copper

    ABS

  • Switch options

    Linear

    Clicky, Linear, Tactile

  • Weight

    1,870 g

    870 g

    Heavier boards stay planted and lighter ones travel

  • QMK

    No

    Yes

    The deep option when you want to remap every key

KeebFinder scores

How we score
  • Evoworks Evo80
  • Keychron J4
Performance
77
82
Build quality
80
71
Productivity
84
89
Customizability
82
89
Portability
87
73

What they share

  • Layout size: 80%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Max polling rate: 1,000 Hz
  • VIA
  • Sound dampening
See every spec side by side

Full specs

Evoworks Evo80 vs Keychron J4 specs

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

9 of 25 specs differ

Evoworks Evo80

Keychron J4

Typing & switches

Switch options

Linear
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Plate Mount
—

Sound dampening

Yes
Yes

Layout

Layout size

80%
80%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Media keys

No
Yes

Connectivity & battery

Connection

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

Max polling rate

1,000 Hz
1,000 Hz

Battery

8,000 mAhBetter
4,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

Aluminum, Copper
ABS

Plate material

FR4, Plastic, Polycarbonate
Steel

Keycaps

PBT
PBT

Weight

1,870 g
870 g

Dimensions

—
38 x 366 x 138 mm

Typing angle

—
10°

Backlight

RGB, south-facing
RGB, north-facing

Firmware & software

QMK

No
Yes

VIA

Yes
Yes

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2024
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.

Keychron J43 stores

Still torn?

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