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Head to head · Prices checked Nov 7, 2026

Nuphy Air75 V2 vs Keychron K5 ProCompact vs Full-Size Low-Profile

Choose the Nuphy Air75 V2 for portability and long battery life, or the Keychron K5 Pro for a full-size layout and extensive regional keycap support.

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Quick verdict

Which one should you get?

Get the

Nuphy Air75 V2

Compact

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

If you want

  • Includes a 4000mAh battery, which is double the capacity of the K5 Pro's 2000mAh cell.
  • Offers a 1000Hz polling rate on its 2.4GHz wireless mode, not just wired.
  • Comes with extensive sound-dampening features like plate poron, IXPE foam, and spacebar silicone according to its tech specs.

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.

Get the

Keychron K5 Pro

Full-Size Low-Profile

Build quality in the top 15% of 100% boards under $150.

If you want

  • Features a 100% layout with 108 keys, including a full number pad.
  • Supports an extensive range of layout standards including ANSI, ISO, JIS, and multiple European ISO variants.
  • Includes 12 dedicated multimedia keys for quick system control.

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.

Bottom line

Your primary need dictates the winner. If you work from a fixed desk, regularly use a number pad, or need specific international key layouts, the Keychron K5 Pro's full-size form factor is the logical choice. If you value a clean, portable setup, plan to use the keyboard wirelessly away from your desk, or have limited space, the Nuphy Air75 V2's compact design, superior battery life, and travel-friendly features make it the better investment.

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 Pro

  • Layout size

    75%

    100%

  • Connection

    Bluetooth, 2.4 GHz, Wired

    Bluetooth, Wired

    Wireless for several devices and wired for lower latency

  • Battery

    4,000 mAh

    2,000 mAh

    A larger battery means fewer cables during the day

  • Case material

    ABS, Aluminum

    ABS, Aluminum, Plastic

  • Switch options

    Linear, Low-profile Mechanical, Tactile

    Clicky, Linear, Tactile

KeebFinder scores

How we score
  • Nuphy Air75 V2
  • Keychron K5 Pro
Performance
81
80
Build quality
80
79
Productivity
88
82
Customizability
94
89
Portability
79
55

What they share

  • Hot-swappable
  • Low profile
  • Max polling rate: 1,000 Hz
  • QMK
  • VIA
See every spec side by side

Best for

What will you mostly use it for?

The Keychron K5 Pro is the clear choice for office work and content creation where a number pad and full layout are non-negotiable. The Nuphy Air75 V2 dominates for travel and gaming, thanks to its compact size, lighter weight, and focused wireless performance. For programming and modding, both keyboards are equally capable, offering the same core customization features, leaving the choice to layout preference.

For gaming

Pick the Nuphy Air75 V2

  • The Air75 V2 offers a 1000Hz polling rate on its 2.4GHz wireless connection, which Nuphy's description highlights for low-latency gaming.
  • Its compact 75% layout frees up more desk space for mouse movement.
  • The included Cowberry switch variant is listed with a short 1.2mm pre-travel for rapid actuation.

Full specs

Nuphy Air75 V2 vs Keychron K5 Pro specs

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

12 of 26 specs differ

Nuphy Air75 V2

Keychron K5 Pro

Typing & switches

Switch options

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

Hot-swappable

Yes
Yes

Mount style

—
Tray Mount

Low profile

Yes
Yes

Sound dampening

Yes
No

Layout

Layout size

75%
100%

Layout standard

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

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 mAhBetter
2,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

ABS, Aluminum
ABS, Aluminum, Plastic

Plate material

Aluminum
—

Keycaps

PBT
ABS, PBT

Weight

598 g
720 g

Dimensions

14 x 316 x 133 mm
18 x 120 x 435 mm

Typing angle

9°
3°

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
2023

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 Pro

  • Keychron

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

    Out of stockShips to you

  • Keychron (DE)

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

    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.

FAQ

Nuphy Air75 V2 vs Keychron K5 Pro: your questions

The Nuphy Air75 V2 has a significantly larger 4000mAh battery compared to the Keychron K5 Pro's 2000mAh. Nuphy's lab tests claim up to 220 hours of use with lighting off, suggesting longer intervals between charges for the Air75 V2.

Yes. The Keychron K5 Pro's specifications list support for ISO-UK, ISO-FR, and several other ISO layouts, making it compatible with AZERTY, QWERTZ, and other regional keycap sets. The Nuphy Air75 V2 only supports the ANSI layout standard.

Both the Nuphy Air75 V2 and Keychron K5 Pro are listed as supporting QMK and VIA firmware. However, some user reviews for the K5 Pro mention challenges using the standard VIA app, noting the need to use Keychron's own Launcher web app for configuration.

The Nuphy Air75 V2 is more portable. It is smaller (316mm wide vs. 435mm), lighter (598g vs. 720g), and thinner (14mm vs. 18mm). Furthermore, Nuphy sells dedicated travel accessories like the NuPack carrying case, which is not mentioned for the K5 Pro.

Yes, both the Nuphy Air75 V2 and the Keychron K5 Pro (in its hot-swappable version) feature hot-swappable sockets. This allows you to change the low-profile mechanical switches without any soldering.

The Nuphy Air75 V2 may have an edge for wireless gaming. While both offer a 1000Hz polling rate in wired mode, the Air75 V2 specifically advertises a 1000Hz polling rate on its 2.4GHz wireless connection, which Nuphy markets for pro-gaming performance.

The Nuphy Air75 V2 comes with double-shot PBT keycaps, and its description also mentions optional dye-sub PBT and shine-through PC keycaps. The Keychron K5 Pro comes with low-profile double-shot PBT keycaps in an LSA (spherical-angled) profile.

Yes. The Keychron K5 Pro is a 100% layout keyboard with 108 keys, which includes a full number pad. The Nuphy Air75 V2 is a 75% layout and does not have a number pad.

According to its product page, the Nuphy Air75 V2 includes a keyboard, USB-C cable, 2.4G receiver, 7 extra keycaps, 4 extra switches, a keycap/switch puller, and a sticker set. The specific contents for the K5 Pro are not detailed in the provided description.

Yes, both keyboards list Mac support. The Nuphy Air75 V2 description provides a long list of tested compatible laptops, including many MacBook models, and mentions dedicated macOS shortcut keys. The Keychron K5 Pro also states it offers a Mac layout with matching multimedia key functions.

The Nuphy Air75 V2's description explicitly lists several internal sound-dampening features, including plate poron foam, an IXPE PCB foam sheet, and silicone in the spacebar. The Keychron K5 Pro's description mentions redesigned stabilizers but does not detail internal foam layers.

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