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Head to head · Prices checked Nov 11, 2026

Ajazz AK816 Pro vs Jamesdonkey R4

Get the Ajazz AK816 Pro for sound dampening. Get the Jamesdonkey R4 for the 4,000 mAh battery and qmk.

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Quick verdict

Which one should you get?

Get the

Ajazz AK816 Pro

Sound dampening

Build quality in the top 45% of 75% boards under $150.

$149 at WhatGeek

Get the

Jamesdonkey R4

Battery

Build quality in the bottom 50% of 75% boards under $200.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
$166 at Mechkeys

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.

Ajazz AK816 Pro

Jamesdonkey R4

  • Battery

    3,000 mAh

    4,000 mAh

    A larger battery means fewer cables during the day

  • Case material

    Aluminum, Plastic

    Aluminum

  • Weight

    1,060 g

    1,900 g

    Heavier boards stay planted and lighter ones travel

  • QMK

    No

    Yes

    The deep option when you want to remap every key

  • Sound dampening

    Yes

    No

KeebFinder scores

How we score
  • Ajazz AK816 Pro
  • Jamesdonkey R4
Performance
69
54
Build quality
70
66
Productivity
85
63
Customizability
70
79
Portability
83
77

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Mount style: Gasket Mount
  • Knob
  • Keycaps: PBT
See every spec side by side

Full specs

Ajazz AK816 Pro vs Jamesdonkey R4 specs

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

11 of 21 specs differ

Ajazz AK816 Pro

Jamesdonkey R4

Typing & switches

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
No

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
Yes

Display

None
None

Media keys

No
Yes

Connectivity & battery

Connection

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

Battery

3,000 mAh
4,000 mAhBetter

USB-C

Yes
No

Build & materials

Case material

Aluminum, Plastic
Aluminum

Plate material

Polycarbonate
—

Keycaps

PBT
PBT

Weight

1,060 g
1,900 g

Dimensions

40 x 136 x 321 mm
45 x 150 x 329 mm

Backlight

RGB
RGB, south-facing

Firmware & software

QMK

No
Yes

Mac & Windows

Yes
No

Extras

Released

2022
2024

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.

Ajazz AK816 Pro2 stores
Jamesdonkey R42 stores

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