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Head to head · Prices checked Oct 21, 2026

Keychron K2 vs Redragon UCAL K673 HE

Get the Keychron K2 for hot-swappable. Get the Redragon UCAL K673 HE for hall effect and rapid trigger.

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 HE

  • Hall effect (magnetic)

    No

    Yes

  • Rapid trigger

    No

    Yes

  • Connection

    Bluetooth, Wired

    Wired

  • Hot-swappable

    Yes

    No

  • Max polling rate

    1,000 Hz

    8,000 Hz

KeebFinder scores

How we score
  • Keychron K2
  • Redragon UCAL K673 HE
Performance
69
94
Build quality
68
58
Productivity
68
63
Customizability
63
49
Portability
82
58

What they share

  • Layout size: 75%
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 HE

No owner reviews collected yet.

Full specs

Keychron K2 vs Redragon UCAL K673 HE specs

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

17 of 24 specs differ

Keychron K2

Redragon UCAL K673 HE

Typing & switches

Switch options

Clicky, Linear, Tactile
Magnetic

Hall effect (magnetic)

No
Yes

Rapid trigger

No
Yes

Hot-swappable

Yes
No

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
Wired

Max polling rate

1,000 Hz
8,000 HzBetter

Battery

4,000 mAh
Wired only

USB-C

Yes
Yes

Build & materials

Case material

ABS, Aluminum, Plastic
Plastic

Keycaps

ABS
—

Weight

794 g
1,240 g

Dimensions

40 x 317 x 129 mm
104 x 335 mm

Backlight

Yes, north-facing
RGB

Firmware & software

N-key rollover

Yes
No

Mac & Windows

Yes
No

Extras

Released

2021
2025

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 HE2 stores

  • RedragonCN

    In stock
    $59Visit

  • AmazonGlobal

    Check price
    ~$59Visit

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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