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Head to head · Prices checked Oct 21, 2026

Keychron K4 Pro vs KEEBD Reviung 39 II

Get the Keychron K4 Pro for qmk and via.

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.

Keychron K4 Pro

KEEBD Reviung 39 II

  • Layout size

    96%

    40%

  • Case material

    ABS, Plastic

    Acrylic, Plastic

  • Switch options

    Clicky, Linear, Tactile

    Tactile

  • QMK

    Yes

    No

  • VIA

    Yes

    No

KeebFinder scores

How we score
  • Keychron K4 Pro
  • KEEBD Reviung 39 II
Performance
81
42
Build quality
84
45
Productivity
95
49
Customizability
96
74
Portability
54
64

What they share

  • Hot-swappable
See every spec side by side

From real owners

What owners say

Ratings and quotes collected from verified store reviews, including the critical ones.

Keychron K4 Pro

4.7

7 owner reviews

Praise
“I previously had a normal K4 and i love the new one, the only thing is that the stabilizers lube work is kinda bad and the space bar was very rattly but after some lube work the K4 pro retakes the perfect productivity keyboard.”
Adrian T.Verified buyer· via Keychron

KEEBD Reviung 39 II

No owner reviews collected yet.

Full specs

Keychron K4 Pro vs KEEBD Reviung 39 II specs

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

14 of 26 specs differ

Keychron K4 Pro

KEEBD Reviung 39 II

Typing & switches

Switch options

Clicky, Linear, Tactile
Tactile

Hot-swappable

Yes
Yes

Mount style

Tray Mount
—

Sound dampening

Yes
No

Screw-in stabilizers

Yes
Yes

Layout

Layout size

96%
40%

Layout standard

ANSI, ISO, ISO-DE, ISO-ES, ISO-FR, ISO-Nordic, ISO-SW, ISO-UK
ANSI

Ergonomics

Standard
Standard

Display

None
None

Media keys

Yes
No

Connectivity & battery

Connection

Bluetooth, Wired
—

Max polling rate

1,000 Hz
—

Battery

4,000 mAh
—

USB-C

Yes
No

Build & materials

Case material

ABS, Plastic
Acrylic, Plastic

Plate material

Steel
FR4

Keycaps

ABS, PBT
—

Weight

1,280 g
—

Dimensions

31 x 391 x 139 mm
—

Typing angle

3°
—

Backlight

RGB, south-facing
RGB

Firmware & software

QMK

Yes
No

VIA

Yes
No

N-key rollover

Yes
No

Mac & Windows

Yes
No

Extras

Released

2022
2021

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

  • KeychronHK

    In stock
    $69Visit
  • AmazonGlobal

    Check price
    Visit
  • Keychron (DE)DE

    Out of stock
    $120Visit
  • KEEBDAU

    In stock
    $90Visit
  • AmazonGlobal

    Check price
    ~$90Visit

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