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Head to head · Prices checked Nov 11, 2026

Redragon Horus K621 vs Keychron K1 Pro

Get the Keychron K1 Pro for hot-swappable and the 2,000 mAh battery.

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Quick verdict

Which one should you get?

Get the

Redragon Horus K621

Build quality in the bottom 10% of 80% boards under $100.

Rules this board out

  • Switches are soldered. Swapping them means soldering.
  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.
  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.

Get the

Keychron K1 Pro

Hot-swappable

Build quality in the top 15% of 80% boards under $100.

Rules this board out

  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.
  • North-facing LEDs. Cherry-profile keycaps can hit the switch housing.

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.

Redragon Horus K621

Keychron K1 Pro

  • Connection

    Bluetooth, 2.4 GHz, Wired

    Bluetooth, Wired

    Wireless for several devices and wired for lower latency

  • Hot-swappable

    No

    Yes

    Switch changes without soldering

  • Battery

    1,900 mAh

    2,000 mAh

    A larger battery means fewer cables during the day

  • Case material

    Plastic

    ABS, Aluminum, Plastic

  • Mount style

    Bottom Mount

    Tray Mount

KeebFinder scores

How we score
  • Redragon Horus K621
  • Keychron K1 Pro
Performance
72
81
Build quality
45
80
Productivity
47
79
Customizability
46
88
Portability
61
73

What they share

  • Layout size: 80%
  • Low profile
  • Switch options: Clicky, Linear, Tactile
See every spec side by side

Full specs

Redragon Horus K621 vs Keychron K1 Pro specs

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

14 of 24 specs differ

Redragon Horus K621

Keychron K1 Pro

Typing & switches

Switch options

Clicky, Linear, Tactile
Clicky, Linear, Tactile

Hot-swappable

No
Yes

Mount style

Bottom Mount
Tray Mount

Low profile

Yes
Yes

Layout

Layout size

80%
80%

Layout standard

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

Ergonomics

Standard
Standard

Display

None
None

Media keys

No
Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Bluetooth, Wired

Max polling rate

—
1,000 Hz

Battery

1,900 mAh
2,000 mAhBetter

USB-C

No
Yes

Build & materials

Case material

Plastic
ABS, Aluminum, Plastic

Keycaps

—
ABS, PBT

Weight

600 g
580 g

Dimensions

—
8 x 346 x 119 mm

Typing angle

—
3°

Backlight

RGB
RGB, north-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

Yes
Yes

Mac & Windows

No
Yes

Extras

Released

2021
2023

For EU buyers

ISO layouts by store

Which stores sell ISO-DE, UK, and the other regional layouts.

Redragon Horus K621

No ISO layout at the stores we track.

Keychron K1 Pro

  • Keychron

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

    In stockShips to you

  • Keychron (DE)

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

    In stockDoes not ship to you

Where to buy

Compare prices

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

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Lowest price across stores, Amazon excluded.

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