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Head to head · Prices checked Nov 9, 2026

Keychron K2 Ultra vs Nuphy Halo IO Series

Get the Keychron K2 Ultra for the 8,000 Hz polling rate. Get the Nuphy Halo IO Series for knob.

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Quick verdict

Which one should you get?

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.

Get the

Nuphy Halo IO Series

Knob

Build quality in the top 25% of 65% boards under $150.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
  • 65% layout. No function row and 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 K2 Ultra

Nuphy Halo IO Series

  • Layout size

    75%

    65%

  • Max polling rate

    8,000 Hz

    1,000 Hz

    Higher polling helps competitive FPS and does nothing for typing

  • Case material

    ABS, Aluminum

    Aluminum, Plastic

  • Switch options

    Clicky, Linear, Tactile

    Mechanical

  • Knob

    No

    Yes

KeebFinder scores

How we score
  • Keychron K2 Ultra
  • Nuphy Halo IO Series
Performance
90
78
Build quality
86
77
Productivity
94
91
Customizability
92
79
Portability
82
98

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Battery: 4,000 mAh
  • Mount style: Gasket Mount
  • Sound dampening
  • Keycaps: PBT
See every spec side by side

Full specs

Keychron K2 Ultra vs Nuphy Halo IO Series specs

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

12 of 27 specs differ

Keychron K2 Ultra

Nuphy Halo IO Series

Typing & switches

Switch options

Clicky, Linear, Tactile
Mechanical

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

Yes
Yes

Layout

Layout size

75%
65%

Layout standard

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

Ergonomics

Standard
Standard

Knob

No
Yes

Display

None
None

Media keys

Yes
Yes

Connectivity & battery

Connection

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

Max polling rate

8,000 HzBetter
1,000 Hz

Battery

4,000 mAh
4,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

ABS, Aluminum
Aluminum, Plastic

Plate material

Steel
Polycarbonate, POM

Keycaps

PBT
PBT

Weight

1,084 g
1,028 g

Dimensions

31 x 312 x 122 mm
20 x 320 x 135 mm

Typing angle

—
12°

Backlight

RGB, south-facing
RGB, south-facing

Firmware & software

QMK

Yes
No

VIA

Yes
No

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2026
2025

For EU buyers

ISO layouts by store

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

Keychron K2 Ultra

  • Keychron (DE)

    ISO-FR, ISO-ES, ISO-IT

    In stockDoes not ship to you

Nuphy Halo IO Series

No ISO layout at the stores we track.

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.

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