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Head to head · Prices checked Oct 21, 2026

Keychron K2 vs Redragon UCAL K673 Pro

Get the Redragon UCAL K673 Pro for knob.

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 K2

Redragon UCAL K673 Pro

  • Connection

    Bluetooth, Wired

    Bluetooth, 2.4 GHz, Wired

  • Case material

    ABS, Aluminum, Plastic

    Plastic

  • Switch options

    Clicky, Linear, Tactile

    Linear

  • Mount style

    Tray Mount

    Gasket Mount

  • Knob

    No

    Yes

KeebFinder scores

How we score
  • Keychron K2
  • Redragon UCAL K673 Pro
Performance
69
66
Build quality
68
63
Productivity
68
69
Customizability
63
58
Portability
82
75

What they share

  • Layout size: 75%
  • Hot-swappable
  • Battery: 4,000 mAh
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 K2

4.8

35 owner reviews

Praise
“It is an amazing keyboard. One thing, I don’t like that there is no battery indicator for this version so that I don’t when I need to charge it before it die out.”
Kasidet S.Verified buyer· via Keychron

Redragon UCAL K673 Pro

No owner reviews collected yet.

Full specs

Keychron K2 vs Redragon UCAL K673 Pro specs

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

14 of 22 specs differ

Keychron K2

Redragon UCAL K673 Pro

Typing & switches

Switch options

Clicky, Linear, Tactile
Linear

Hot-swappable

Yes
Yes

Mount style

Tray Mount
Gasket Mount

Sound dampening

No
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

No
Yes

Display

None
None

Media keys

Yes
No

Connectivity & battery

Connection

Bluetooth, Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

1,000 Hz
—

Battery

4,000 mAh
4,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

ABS, Aluminum, Plastic
Plastic

Keycaps

ABS
PBT

Weight

794 g
1,200 g

Dimensions

40 x 317 x 129 mm
37 x 335 x 37 mm

Backlight

Yes, north-facing
RGB

Firmware & software

N-key rollover

Yes
No

Mac & Windows

Yes
No

Extras

Released

2021
2023

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

Keychron K23 stores

  • AmazonGlobal

    Check price
    Visit

  • KeychronHK

    Out of stock
    $52Visit

  • Keychron (DE)DE

    Out of stock
    $111Visit
Redragon UCAL K673 Pro2 stores

  • RedragonCN

    In stock
    $64Visit

  • AmazonGlobal

    Check price
    ~$64Visit

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.

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