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Head to head · Prices checked Oct 28, 2026

Jamesdonkey A3 3.0 vs Keydous NJ80 CP V2 HE

Get the Jamesdonkey A3 3.0 for hot-swappable. Get the Keydous NJ80 CP V2 HE for hall effect and rapid trigger.

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Quick verdict

Which one should you get?

Get the

Jamesdonkey A3 3.0

Hot-swappable

Build quality in the bottom 45% of 75% boards under $100.

Rules this board out

  • No numpad.

Get the

Keydous NJ80 CP V2 HE

Hall effect

Build quality in the bottom 5% of 80% boards under $150.

Rules this board out

  • Magnetic switches only. Standard MX switches will not fit.
  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • No numpad.

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 3.0

Keydous NJ80 CP V2 HE

  • Layout size

    75%

    80%

  • Hall effect (magnetic)

    No

    Yes

    Adjustable actuation helps in games and not in normal typing

  • Rapid trigger

    No

    Yes

    Faster resets help in games and not in normal typing

  • Hot-swappable

    Yes

    No

    Switch changes without soldering

  • Battery

    3,750 mAh

    4,800 mAh

    A larger battery means fewer cables during the day

KeebFinder scores

How we score
  • Jamesdonkey A3 3.0
  • Keydous NJ80 CP V2 HE
Performance
54
78
Build quality
60
43
Productivity
80
51
Customizability
82
50
Portability
76
65

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Knob
  • Keycaps: PBT
See every spec side by side

Full specs

Jamesdonkey A3 3.0 vs Keydous NJ80 CP V2 HE specs

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

10 of 22 specs differ

Jamesdonkey A3 3.0

Keydous NJ80 CP V2 HE

Typing & switches

Switch options

—
Magnetic

Hall effect (magnetic)

No
Yes

Rapid trigger

No
Yes

Hot-swappable

Yes
No

Mount style

Gasket Mount
—

Sound dampening

Yes
No

Layout

Layout size

75%
80%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
Yes

Display

None
None

Media keys

Yes
No

Connectivity & battery

Connection

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

Battery

3,750 mAh
4,800 mAhBetter

Build & materials

Case material

—
Aluminum

Plate material

—
Aluminum

Keycaps

PBT
PBT

Dimensions

42 x 148 x 329 mm
—

Backlight

RGB
RGB, south-facing

Firmware & software

QMK

Yes
No

Mac & Windows

Yes
No

Extras

Released

2024
2024

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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