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Head to head · Prices checked Nov 12, 2026

Keychron K3 Ultra vs Vortex Core Plus

Get the Keychron K3 Ultra for qmk.

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Quick verdict

Which one should you get?

Get the

Keychron K3 Ultra

QMK

Build quality in the top 30% of 75% boards under $150.

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.
  • No numpad.

Get the

Vortex Core Plus

Build quality in the top 50% of 40% boards under $150.

Rules this board out

  • 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.
  • Compact layout only. No function row, dedicated arrow keys, or 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 K3 Ultra

Vortex Core Plus

  • Layout size

    75%

    40%

  • Case material

    ABS, Wood

    Aluminum

  • QMK

    Yes

    No

    The deep option when you want to remap every key

  • Layout standard

    ANSI, ISO

    ANSI

    ISO and JIS exist so regional layouts fit

  • Plate material

    Aluminum

    FR4

KeebFinder scores

How we score
  • Keychron K3 Ultra
  • Vortex Core Plus
Performance
86
46
Build quality
75
69
Productivity
89
75
Customizability
86
60
Portability
82
87

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Low profile
  • Switch options: Clicky, Linear, Tactile
  • Mount style: Plate Mount
  • VIA
See every spec side by side

Full specs

Keychron K3 Ultra vs Vortex Core Plus specs

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

7 of 22 specs differ

Keychron K3 Ultra

Vortex Core Plus

Typing & switches

Switch options

Clicky, Linear, Tactile
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Plate Mount
Plate Mount

Low profile

Yes
Yes

Sound dampening

Yes
Yes

Layout

Layout size

75%
40%

Layout standard

ANSI, ISO
ANSI

Ergonomics

Standard
Standard

Display

None
None

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

8,000 Hz
—

Battery

2,600 mAh
—

USB-C

Yes
Yes

Build & materials

Case material

ABS, Wood
Aluminum

Plate material

Aluminum
FR4

Keycaps

PBT
—

Typing angle

—
5°

Backlight

RGB, north-facing
None

Firmware & software

QMK

Yes
No

VIA

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2026
2025

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.

For EU buyers

ISO layouts by store

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

Keychron K3 Ultra

Vortex Core Plus

No ISO layout at the stores we track.

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