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Head to head · Prices checked Oct 25, 2026

Nuphy Air75 V2 vs Keychron K2 V3

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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.

Nuphy Air75 V2

Keychron K2 V3

  • Connection

    Bluetooth, 2.4 GHz, Wired

    Bluetooth, Wired

    Wireless for several devices and wired for lower latency

  • Low profile

    Yes

    No

  • Case material

    ABS, Aluminum

    Aluminum

  • Switch options

    Linear, Low-profile Mechanical, Tactile

    Clicky, Linear, Tactile

  • Layout standard

    ANSI

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

    ISO and JIS exist so regional layouts fit

KeebFinder scores

How we score
  • Nuphy Air75 V2
  • Keychron K2 V3
Performance
81
82
Build quality
80
85
Productivity
89
95
Customizability
94
92
Portability
79
80

What they share

  • Layout size: 75%
  • Hot-swappable
  • Battery: 4,000 mAh
  • Max polling rate: 1,000 Hz
  • QMK
  • VIA
See every spec side by side

Full specs

Nuphy Air75 V2 vs Keychron K2 V3 specs

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

11 of 27 specs differ

Nuphy Air75 V2

Keychron K2 V3

Typing & switches

Switch options

Linear, Low-profile Mechanical, Tactile
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

—
PCB Mount

Low profile

Yes
No

Sound dampening

Yes
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

75%
75%

Layout standard

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

Ergonomics

Standard
Standard

Display

None
None

Media keys

Yes
Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Bluetooth, Wired

Max polling rate

1,000 Hz
1,000 Hz

Battery

4,000 mAh
4,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

ABS, Aluminum
Aluminum

Plate material

Aluminum
Steel

Keycaps

PBT
PBT, PC

Weight

598 g
—

Dimensions

14 x 316 x 133 mm
—

Typing angle

9°
13°

Backlight

RGB, south-facing
RGB, north-facing

Firmware & software

QMK

Yes
Yes

VIA

Yes
Yes

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2023
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.

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