Head to head · Prices checked Oct 31, 2026

Nuphy Air75 V2 vs Keychron K5 Max

Get the Nuphy Air75 V2 for the 4,000 mAh battery.

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Battery

Nuphy Air75 V2

No reviews

from$75at Nuphy

Compare 3 stores

Keychron K5 Max

4.1 (16)4.1 · 16 reviews

from$94at Keychron

Compare 5 stores

Quick verdict

Which one should you get?

Get the

Nuphy Air75 V2

Battery

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.
No numpad.

$75 at Nuphy

Get the

Keychron K5 Max

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

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.

$94 at Keychron

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 K5 Max

Layout size
75%
100%
Battery
4,000 mAh
2,000 mAh
A larger battery means fewer cables during the day
Switch options
Linear, Low-profile Mechanical, Tactile
Clicky, Linear, Tactile
Weight
598 g
720 g
Heavier boards stay planted and lighter ones travel
Layout standard
ANSI
ANSI, ISO, ISO-DE, ISO-Nordic, ISO-UK
ISO and JIS exist so regional layouts fit

KeebFinder scores

How we score

Nuphy Air75 V2
Keychron K5 Max

Performance: 81
81
Build quality: 80
81
Productivity: 88
89
Customizability: 94
88
Portability: 79
53

What they share

Connection: Bluetooth, 2.4 GHz, Wired
Hot-swappable
Low profile
Max polling rate: 1,000 Hz
Case material: ABS, Aluminum
QMK

See every spec side by side

Full specs

Nuphy Air75 V2 vs Keychron K5 Max specs

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

11 of 26 specs differ

Spec

Nuphy Air75 V2

Keychron K5 Max

Typing & switches

Switch options

Linear, Low-profile Mechanical, Tactile

Clicky, Linear, Tactile

Hot-swappable

Yes

Mount style

—

PCB Mount, Plate Mount

Low profile

Yes

Sound dampening

Yes

Layout

Layout size

75%

100%

Layout standard

ANSI

ANSI, ISO, ISO-DE, ISO-Nordic, ISO-UK

Ergonomics

Standard

Display

None

Media keys

Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired

Max polling rate

1,000 Hz

Battery

4,000 mAhBetter

2,000 mAh

USB-C

Yes

Build & materials

Case material

ABS, Aluminum

Plate material

Aluminum

Polycarbonate

Keycaps

PBT

ABS, PBT

Weight

598 g

720 g

Dimensions

14 x 316 x 133 mm

18 x 424 x 119 mm

Typing angle

9°

3°

Backlight

RGB, south-facing

RGB, north-facing

Firmware & software

QMK

Yes

VIA

Yes

N-key rollover

Yes

Mac & Windows

Yes

Extras

Released

2023

2024

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.

Keychron K5 Max

Keychron
ISO-DE, ISO-UK, ISO-Nordic
In stockShips to you
Keychron (DE)
ISO-DE, ISO-UK
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.

Nuphy Air75 V23 stores