Not sure which keyboard to choose? Try the Keyboard Finder now!

Head to head · Prices checked Nov 10, 2026

Keychron C1 vs K2 Ultra

Get the Keychron K2 Ultra for the 8,000 Hz polling rate.

KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

Quick verdict

Which one should you get?

Get the

Keychron C1

Build quality in the top 50% of 80% boards under $100.

Rules this board out

  • North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
  • No numpad.

Get the

Keychron K2 Ultra

polling rate

Build quality in the top 10% of 75% boards under $150.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • No numpad.

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 C1

Keychron K2 Ultra

  • Layout size

    80%

    75%

  • Connection

    Wired

    Bluetooth, 2.4 GHz, Wired

    Wireless for several devices and wired for lower latency

  • Max polling rate

    1,000 Hz

    8,000 Hz

    Higher polling helps competitive FPS and does nothing for typing

  • Case material

    ABS, Plastic

    ABS, Aluminum

  • Mount style

    Tray Mount

    Gasket Mount

KeebFinder scores

How we score
  • Keychron C1
  • Keychron K2 Ultra
Performance
66
90
Build quality
62
86
Productivity
77
94
Customizability
75
92
Portability
59
82

What they share

  • Hot-swappable
  • Switch options: Clicky, Linear, Tactile
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 C1

4.8

180 owner reviews

Praise
“This is my first mechanical keyboard. It is a fantastic keyboard and a fantastic typing experience. It seems extremely well built as well. Highly recommended.”
Eric S.Verified buyer· via Keychron

Keychron K2 Ultra

5.0

3 owner reviews

Praise
“very compact, build quality is great, and I don't even feel any latency when using the keyboard wireless.”
AnonymousVerified buyer· via Keychron

Full specs

Keychron C1 vs K2 Ultra specs

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

16 of 25 specs differ

Keychron C1

Keychron K2 Ultra

Typing & switches

Switch options

Clicky, Linear, Tactile
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Tray Mount
Gasket Mount

Sound dampening

No
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

80%
75%

Layout standard

ANSI
ANSI, ISO, ISO-ES, ISO-FR, ISO-IT

Ergonomics

Standard
Standard

Display

None
None

Media keys

Yes
Yes

Connectivity & battery

Connection

Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

1,000 Hz
8,000 HzBetter

Battery

Wired only
4,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

ABS, Plastic
ABS, Aluminum

Plate material

—
Steel

Keycaps

ABS
PBT

Weight

685 g
1,084 g

Dimensions

27 x 130 x 357 mm
31 x 312 x 122 mm

Backlight

RGB, north-facing
RGB, south-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2020
2026

For EU buyers

ISO layouts by store

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

Keychron C1

No ISO layout at the stores we track.

Keychron K2 Ultra

  • Keychron (DE)

    ISO-FR, ISO-ES, ISO-IT

    In stockDoes not ship to you

Where to buy

Compare prices

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

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.

Lowest price across stores, Amazon excluded.

Keychron C13 stores

Still torn?

Answer a few quick questions and the keyboard finder ranks 2,000+ boards by how you will actually use yours.