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Head to head · Prices checked Oct 21, 2026

Jamesdonkey R4 vs LUMINKEY Lumino75

Get the Jamesdonkey R4 for knob and qmk. Get the LUMINKEY Lumino75 for the 4,400 mAh battery and via.

LUMINKEY Lumino75 Mechanical Keyboard

Battery

LUMINKEY Lumino75

from$149at MK

90-day low

Shop nowSee all prices

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 R4

LUMINKEY Lumino75

  • Battery

    4,000 mAh

    4,400 mAh

  • Knob

    Yes

    No

  • Display

    None

    Yes

  • QMK

    Yes

    No

  • VIA

    No

    Yes

KeebFinder scores

How we score
  • Jamesdonkey R4
  • LUMINKEY Lumino75
Performance
55
68
Build quality
67
79
Productivity
63
84
Customizability
79
78
Portability
77
81

What they share

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

Full specs

Jamesdonkey R4 vs LUMINKEY Lumino75 specs

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

10 of 24 specs differ

Jamesdonkey R4

LUMINKEY Lumino75

Typing & switches

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

No
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
No

Display

None
Yes

Media keys

Yes
No

Connectivity & battery

Connection

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

Max polling rate

—
1,000 Hz

Battery

4,000 mAh
4,400 mAhBetter

USB-C

No
Yes

Build & materials

Case material

Aluminum
Aluminum

Plate material

—
Polycarbonate

Keycaps

PBT
PBT

Weight

1,900 g
—

Dimensions

45 x 150 x 329 mm
—

Typing angle

—
7°

Backlight

RGB, south-facing
RGB, south-facing

Firmware & software

QMK

Yes
No

VIA

No
Yes

Mac & Windows

No
Yes

Extras

Released

2024
2026

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

  • MechkeysCN

    In stock
    $166Visit
  • AmazonGlobal

    Check price
    ~$166Visit
  • MKUS

    In stock
    $149Visit
  • AmazonGlobal

    Check price
    ~$149Visit

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