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Head to head · Prices checked Nov 7, 2026

Jamesdonkey A3 vs Keychron C4 HE

Get the Jamesdonkey A3 for knob. Get the Keychron C4 HE for hall effect.

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Quick verdict

Which one should you get?

Get the

Jamesdonkey A3

Knob

Build quality in the top 50% of 75% boards under $100.

Rules this board out

  • No numpad.

Get the

Keychron C4 HE

Hall effect

Build quality in the top 10% of 100% boards under $100.

Rules this board out

  • Magnetic switches only. Standard MX switches will not fit.
  • 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.

Jamesdonkey A3

Keychron C4 HE

  • Layout size

    75%

    100%

  • Hall effect (magnetic)

    No

    Yes

    Adjustable actuation helps in games and not in normal typing

  • Connection

    Bluetooth, 2.4 GHz, Wired

    Wired

    Wireless for several devices and wired for lower latency

  • Case material

    ABS, PBT, Plastic, Polycarbonate

    Plastic

  • Knob

    Yes

    No

KeebFinder scores

How we score
  • Jamesdonkey A3
  • Keychron C4 HE
Performance
61
89
Build quality
66
83
Productivity
91
95
Customizability
85
92
Portability
79
45

What they share

  • Hot-swappable
  • Switch options: Clicky, Linear, Tactile
  • Mount style: Gasket Mount
  • Sound dampening
  • Keycaps: PBT
See every spec side by side

Full specs

Jamesdonkey A3 vs Keychron C4 HE specs

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

13 of 28 specs differ

Jamesdonkey A3

Keychron C4 HE

Typing & switches

Switch options

Clicky, Linear, Tactile
Clicky, Linear, Tactile

Hall effect (magnetic)

No
Yes

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

Yes
Yes

Layout

Layout size

75%
100%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
No

Display

None
None

Media keys

Yes
Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Wired

Max polling rate

—
8,000 Hz

Battery

3,000 mAh
Wired only

USB-C

Yes
Yes

Build & materials

Case material

ABS, PBT, Plastic, Polycarbonate
Plastic

Plate material

Polycarbonate
Steel

Keycaps

PBT
PBT

Weight

1,000 g
970 g

Dimensions

40 x 136 x 321 mm
30 x 446 x 138 mm

Typing angle

—
9°

Backlight

RGB
RGB, north-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

Yes
No

Mac & Windows

Yes
Yes

Extras

Released

2022
2026

Where to buy

Compare prices

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

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Lowest price across stores, Amazon excluded.

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