Head to head · Prices checked Nov 7, 2026

Nuphy Air75 V2 vs Redragon K673 Pro

Get the Nuphy Air75 V2 for qmk. Get the Redragon K673 Pro for knob.

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QMK

from$75at Nuphy

Knob

from$64at Redragon

Quick verdict

Which one should you get?

Get the

Nuphy Air75 V2

QMK

Build quality in the top 15% of 75% boards under $100.

Rules this board out

Low-profile switches and keycaps only. Standard MX keycaps will not fit.
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.

$75 at Nuphy

Get the

Redragon K673 Pro

Knob

Build quality in the bottom 45% of 75% boards under $100.

$64 at Redragon

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

Redragon K673 Pro

Low profile
Yes
No
Case material
ABS, Aluminum
Plastic
Knob
No
Yes
Weight
598 g
1,240 g
Heavier boards stay planted and lighter ones travel
QMK
Yes
No
The deep option when you want to remap every key

KeebFinder scores

How we score

Nuphy Air75 V2
Redragon K673 Pro

Performance: 81
66
Build quality: 80
63
Productivity: 88
69
Customizability: 94
59
Portability: 79
75

What they share

Layout size: 75%
Connection: Bluetooth, 2.4 GHz, Wired
Hot-swappable
Battery: 4,000 mAh
Sound dampening
Keycaps: PBT

See every spec side by side

Full specs

Nuphy Air75 V2 vs Redragon K673 Pro specs

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

13 of 27 specs differ

Spec

Nuphy Air75 V2

Redragon K673 Pro

Typing & switches

Switch options

Linear, Low-profile Mechanical, Tactile

—

Hot-swappable

Yes

Mount style

—

Gasket Mount

Low profile

Yes

Sound dampening

Yes

Layout

Layout size

75%

Layout standard

ANSI

ANSI, ISO, ISO-DE, ISO-ES, ISO-UK

Ergonomics

Standard

Knob

Yes

Display

None

Media keys

Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired

Max polling rate

1,000 Hz

—

Battery

4,000 mAh

USB-C

Yes

Build & materials

Case material

ABS, Aluminum

Plastic

Plate material

Aluminum

—

Keycaps

PBT

Weight

598 g

1,240 g

Dimensions

14 x 316 x 133 mm

104 x 335 x 104 mm

Typing angle

9°

—

Backlight

RGB, south-facing

RGB

Firmware & software

QMK

Yes

VIA

Yes

N-key rollover

Yes

Mac & Windows

Yes

Extras

Released

2023

2026

For EU buyers

ISO layouts by store

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

Nuphy Air75 V2

No ISO layout at the stores we track.

Redragon K673 Pro

Redragon
ISO-UK
In stockShips 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.

Nuphy Air75 V23 stores