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Compare Nuphy Air75 V2 vs Keychron K5 Pro Differences Side by Side

This comparison is for users deciding between a premium compact and a full-size low-profile mechanical keyboard. Both the Nuphy Air75 V2 and Keychron K5 Pro offer hot-swappable switches, QMK/VIA programmability, and tri-mode connectivity, making the choice difficult. The decision primarily hinges on whether you prioritize a smaller, more portable form factor with a larger battery or require a full 100% layout with a number pad and support for many international layouts.

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NuPhy Air75 V2 - Lunar Gray
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Keychron K5 Pro QMK/VIA Wireless Custom Mechanical Keyboard ISO Layout Collection

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4.8 (8)
  • Has Low-Profile Mechanical, Linear, Tactile switch options
  • Available in a 75% layout
  • Built with the ANSI layout standard
  • Offers Low Profile ergonomics
  • Has built-in sound dampening
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Equipped with a 4000 mAh battery
  • Weighs about 598 g
  • Sized at 14 x 317 x 133 mm
  • Features PBT keycaps
  • Offers Yes, Rgb, South-face, Rgb South-face RGB lighting
  • Has Linear, Tactile, Clicky switch options
  • Available in a 100% layout
  • Built with the ISO, ISO-DE, ISO-Nordic, ISO-UK, JIS, ISO-SW, ISO-FR, ISO-ES, ANSI layout standard
  • Offers Normal ergonomics
  • Uses a Tray Mount mounting style
  • Supports Bluetooth, Wired, Wireless connectivity
  • Equipped with a 2000 mAh battery
  • Weighs about 720 g
  • Sized at 18 x 120 x 435 mm
  • Features ABS, PBT keycaps
  • Offers Yes, Rgb, North-face, Rgb North-face, White, White North-face RGB lighting
Scores
  • Performance: 80.8
  • Build Quality: 79.7
  • Productivity: 88.6
  • Customizability: 95.2
  • Portability: 79.2
Scores
  • Performance: 80.8
  • Build Quality: 79.8
  • Productivity: 79.8
  • Customizability: 89
  • Portability: 53.2
Name
Nuphy Air75 V2
Name
Keychron K5 Pro
Release year
2023
Release year
2023
Switch Options
Low-Profile Mechanical, Linear, Tactile
Switch Options
Linear, Tactile, Clicky
Profile
Low Profile
Profile
Low Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
75%
Layout Size
100%
Layout Standard
ANSI
Layout Standard
ISO, ISO-DE, ISO-Nordic, ISO-UK, JIS, ISO-SW, ISO-FR, ISO-ES, ANSI
Layout Ergonomics
Low Profile
Layout Ergonomics
Normal
Knob Support
 
Knob Support
 
Display Support
 
Display Support
 
Mac/Win Support
 
Mac/Win Support
 
Multi-Media Keys
 
Multi-Media Keys
 
USB-C
 
USB-C
 
USB passthrough
 
USB passthrough
 
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Connection
Bluetooth, Wired, Wireless
Polling Rate
1000 Hz
Polling Rate
1000 Hz
Battery capacity
4000 mAh
Battery capacity
2000 mAh
Hall Effect Support
 
Hall Effect Support
 
QMK Support
 
QMK Support
 
VIA Support
 
VIA Support
 
VIAL Support
 
VIAL Support
 
N-Key Rollover
 
N-Key Rollover
 
Rapid Trigger
 
Rapid Trigger
 
Mount Style
-
Mount Style
Tray Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, South-face
Backlight
 
Rgb, North-face, White
Case Colors
Case Colors
Case Material
Aluminum, Plastic, ABS
Case Material
Aluminum, Plastic, ABS
Keycaps Material
PBT
Keycaps Material
ABS, PBT
Dimensions
14 x 317 x 133 mm
Dimensions
18 x 120 x 435 mm
Weight
598g
Weight
720g
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Pros and Trade-offs

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.

Nuphy Air75 V2

  • +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.
  • +Vendor page lists a wide ecosystem of accessories including the NuFolio V3 stand, NuPack case, and multiple wrist rest materials.
  • +Thinner profile at 14mm height compared to the K5 Pro's 18mm.
  • −Lacks a number pad due to its 75% layout, which may hinder productivity for some users.
  • −Only supports the ANSI layout standard, limiting regional keycap compatibility.
  • −Does not include dedicated multimedia keys, requiring the use of function layer combinations.

Keychron K5 Pro

  • +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.
  • +Keychron's product page mentions redesigned stabilizers for less wobble on large keys.
  • +Offers both RGB and static white backlight versions.
  • −Has a smaller 2000mAh battery, which may require more frequent charging.
  • −Is larger (435mm wide), heavier (720g), and thicker (18mm) than the Air75 V2, reducing portability.
  • −Some user reviews in the vendor description note difficulties with the Keychron Launcher web app compared to VIA.

Which Keyboard Is Better for Your Needs?

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.

GamingNuphy 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.
OfficeKeychron K5 Pro
  • •The K5 Pro's 100% layout includes a dedicated number pad, which is standard for data entry and accounting tasks.
  • •It supports a wide array of layout standards including ISO, JIS, and multiple European ISO variants, catering to international offices.
  • •The product listing mentions 12 multimedia keys for quick media and system control.
ProgrammingTie
  • •Both keyboards support QMK and VIA for deep key remapping and macro creation, essential for coding workflows.
  • •Both are hot-swappable, allowing programmers to choose their preferred switch type.
  • •Both offer compatibility with macOS, Windows, and Linux as stated in their specifications.
TravelNuphy Air75 V2
  • •The Air75 V2 is significantly smaller (316mm wide) and lighter (598g) than the K5 Pro (435mm wide, 720g).
  • •It has a larger 4000mAh battery, which Nuphy claims provides up to 220 hours of use with lights off.
  • •Nuphy offers dedicated travel accessories like the NuPack carrying case and NuFolio V3 laptop stand, as shown in its product page.
ModdingTie
  • •Both keyboards are hot-swappable, supporting easy switch changes without soldering.
  • •Both feature open-source QMK and VIA firmware support for extensive software customization.
  • •Both manufacturers sell a wide range of compatible low-profile switches and keycaps as add-ons.
Content CreationKeychron K5 Pro
  • •The full-size layout of the K5 Pro includes a number pad, useful for shortcut layers in video/photo editing software and numerical input.
  • •The extensive layout support (ANSI, ISO, JIS) is beneficial for creators using different regional hardware setups.
  • •The dedicated multimedia keys provide quick access to playback and volume controls.

Frequently Asked Questions (FAQ)

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