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Compare Nuphy Air75 V2 vs Keychron K2 Max Differences Side by Side

This comparison is for buyers deciding between two highly capable 75% wireless keyboards. The Nuphy Air75 V2 and Keychron K2 Max both offer tri-mode connectivity, hot-swappable switches, and QMK/VIA support, making the choice difficult. The decision hinges on whether you prioritize a slim, low-profile design for portability and laptop pairing, or a standard-height keyboard with extensive layout options and enhanced acoustic tuning.

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NuPhy Air75 V2 - Lunar Gray
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Keychron K2 Max QMK Wireless Mechanical Keyboard ISO Layout Collection - Image: 2

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  • Released in 2023
  • Has Low-Profile Mechanical, Linear, Tactile switch options
  • Features a low-profile design
  • Built with the ANSI layout standard
  • Offers Low Profile ergonomics
  • Weighs about 598 g
  • Sized at 14 x 317 x 133 mm
  • Made with a Aluminum, Plastic, ABS case
  • Offers Yes, Rgb, South-face, Rgb South-face RGB lighting
  • Released in 2024
  • Has Linear, Tactile, Clicky switch options
  • Built with the ISO, ANSI, ISO-DE, ISO-UK, ISO-Nordic, ISO-SW layout standard
  • Offers Normal ergonomics
  • Includes screw-in stabilizers
  • Uses a PCB Mount mounting style
  • Weighs about 940 g
  • Sized at 32 x 317 x 122 mm
  • Made with a Aluminum, ABS case
  • Offers Yes, Rgb, South-face, Rgb South-face, White, White South-face RGB lighting
Scores
  • Performance: 80.8
  • Build Quality: 79.7
  • Productivity: 88.6
  • Customizability: 95.2
  • Portability: 79.2
Scores
  • Performance: 81.1
  • Build Quality: 85.6
  • Productivity: 94.5
  • Customizability: 92.3
  • Portability: 79.5
Name
Nuphy Air75 V2
Name
Keychron K2 Max
Release year
2023
Release year
2024
Switch Options
Low-Profile Mechanical, Linear, Tactile
Switch Options
Linear, Tactile, Clicky
Profile
Low Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
75%
Layout Size
75%
Layout Standard
ANSI
Layout Standard
ISO, ANSI, ISO-DE, ISO-UK, ISO-Nordic, ISO-SW
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, 2.4 GHz, Wired, Wireless
Polling Rate
1000 Hz
Polling Rate
1000 Hz
Battery capacity
4000 mAh
Battery capacity
4000 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
PCB Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, South-face
Backlight
 
Rgb, South-face, White, White South-face
Case Colors
Case Colors
Case Material
Aluminum, Plastic, ABS
Case Material
Aluminum, ABS
Keycaps Material
PBT
Keycaps Material
PBT
Dimensions
14 x 317 x 133 mm
Dimensions
32 x 317 x 122 mm
Weight
598g
Weight
940g
*Something incorrect or missing? Please
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Pros and Trade-offs

Your primary need dictates the choice. If you frequently travel, work with laptops, and prefer a sleek, low-profile typing experience, the Nuphy Air75 V2 is the clear option. If you need specific ISO layouts, value deep acoustic tuning and stabilizer mods, or want a keyboard built for a stationary, multi-system desk setup, the Keychron K2 Max is the more capable board.

Nuphy Air75 V2

  • +Extremely slim low-profile design at 14mm thick.
  • +Lightweight at 598 grams for easy portability.
  • +Explicitly listed compatibility with many laptop models from Apple, Microsoft, Lenovo, and others.
  • +Includes plate poron, IXPE foam, and spacebar silicone for sound tuning.
  • +Offers a wide variety of official low-profile keycap and accessory sets.
  • −Limited to ANSI layout, lacking ISO options.
  • −Low-profile switches may not be preferred by all typists.
  • −Lower typing angle options (3.5º, 6.5º, 8.5º) compared to the K2 Max.

Keychron K2 Max

  • +Supports a wide array of ISO layouts (UK, DE, Nordic, Swiss, Spain, FR).
  • +Features multiple layers of acoustic foam (IXPE, PET, EPDM) and a steel plate.
  • +Includes screw-in stabilizers and south-facing RGB LEDs.
  • +Comes with a system toggle and extra keycaps for both Windows and macOS.
  • +Offers three adjustable typing angles (5º, 9º, 12º).
  • −Much thicker (32mm) and heavier (940g) than the Air75 V2.
  • −Uses standard-height switches, which are taller than low-profile alternatives.
  • −No vendor description mentions specific travel accessories like a carrying case.

Which Keyboard Is Better for Your Needs?

The Keychron K2 Max is the more versatile choice for office work and programming, thanks to its multi-layout support and dedicated productivity features. For travel and pairing with laptops, the Nuphy Air75 V2's slim, lightweight design is superior. Modders will appreciate the K2 Max's enhanced internal foams and screw-in stabilizers, while gamers and content creators will find both keyboards equally capable.

GamingTie
  • •Both offer a 1000Hz polling rate in 2.4GHz and wired modes for low latency.
  • •Both support N-key rollover for simultaneous key presses.
  • •Both are hot-swappable, allowing for switch customization.
OfficeKeychron K2 Max
  • •The Keychron K2 Max offers dedicated multi-media keys.
  • •It includes a system toggle and extra keycaps for both Windows and macOS.
  • •The vendor description states it is built with Mac users in mind while retaining Windows compatibility.
ProgrammingKeychron K2 Max
  • •The Keychron K2 Max supports a wide range of ISO layouts (UK, DE, Nordic, Swiss, Spain, FR).
  • •Its QMK firmware and Keychron Launcher web app offer extensive key remapping and macro programming.
  • •The vendor description highlights its suitability for work and enhanced productivity.
TravelNuphy Air75 V2
  • •The Nuphy Air75 V2 is significantly thinner (14mm vs 32mm) and lighter (598g vs 940g).
  • •Its low-profile design and listed laptop compatibility make it easier to pair with laptops.
  • •Nuphy offers dedicated travel accessories like the NuFolio V3 and NuPack carrying case.
ModdingKeychron K2 Max
  • •The Keychron K2 Max features multiple acoustic foams (IXPE, PET, EPDM) and a steel plate for sound tuning.
  • •It includes screw-in stabilizers, which are preferred for modding.
  • •Its south-facing RGB LEDs prevent interference with Cherry-profile keycaps.
Content CreationTie
  • •Both support extensive key remapping via QMK/VIA or Keychron Launcher for shortcuts.
  • •Both offer tri-mode connectivity for flexible device switching.
  • •Both have PBT keycaps for durability during long sessions.

Frequently Asked Questions (FAQ)

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