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Compare Keychron K2 HE vs Nuphy Air75 V3 Differences Side by Side

This comparison is for users deciding between a feature-rich, performance-focused keyboard and a highly portable, sleek alternative. Both are 75% wireless keyboards, but they cater to fundamentally different priorities. The Keychron K2 HE offers cutting-edge magnetic switch technology for gamers and tinkerers, while the Nuphy Air75 V3 prioritizes a thin, travel-friendly form factor with a low-profile typing experience. The decision hinges on whether you value raw customizable performance or ultimate portability and a modern aesthetic.

99
Keychron K2 HE Wireless Magnetic Switch Custom Keyboard
74
NuPhy Air75 V3 - Nova White / Blush nano / ANSI - US English

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4.6 (69)
0.0 (0)
  • Has Linear, Magnetic switch options
  • Built with the ANSI, ISO, ISO-UK, ISO-DE, ISO-ES, ISO-FR, ISO-CH, ISO-Nordic, JIS layout standard
  • Offers Normal ergonomics
  • Provides dedicated media keys
  • Utilizes Hall effect sensors
  • Supports QMK firmware
  • Supports VIA configuration
  • Features N-key rollover
  • Enables rapid trigger functionality
  • Includes screw-in stabilizers
  • Uses a Tray Mount mounting style
  • Weighs about 1743 g
  • Sized at 30 x 127 x 41 mm
  • Made with a Aluminum, Wood, ABS, Resin case
  • Features PBT, ABS, PC keycaps
  • Offers Yes, Rgb, North-face, Rgb North-face, White, White North-face RGB lighting
  • Has Low-Profile, Linear, Clicky switch options
  • Features a low-profile design
  • Built with the ANSI, ISO, JIS, ISO-DE, ISO-FR layout standard
  • Offers Low Profile ergonomics
  • Uses a Gasket Mount mounting style
  • Weighs about 750 g
  • Sized at 13 x 319 x 129 mm
  • Made with a Aluminum, Plastic, ABS case
  • Features PBT keycaps
  • Offers Yes, Rgb, South-face, Rgb South-face RGB lighting
Scores
  • Performance: 93.3
  • Build Quality: 90.8
  • Productivity: 96.9
  • Customizability: 99.6
  • Portability: 81.3
Scores
  • Performance: 68.3
  • Build Quality: 69.8
  • Productivity: 83.8
  • Customizability: 68.5
  • Portability: 81.8
Name
Keychron K2 HE
Name
Nuphy Air75 V3
Release year
2024
Release year
2024
Switch Options
Linear, Magnetic
Switch Options
Low-Profile, Linear, Clicky
Profile
Normal Profile
Profile
Low Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
75%
Layout Size
75%
Layout Standard
ANSI, ISO, ISO-UK, ISO-DE, ISO-ES, ISO-FR, ISO-CH, ISO-Nordic, JIS
Layout Standard
ANSI, ISO, JIS, ISO-DE, ISO-FR
Layout Ergonomics
Normal
Layout Ergonomics
Low Profile
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
Tray Mount
Mount Style
Gasket Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, North-face, White
Backlight
 
Rgb, South-face
Case Colors
Case Colors
Case Material
Aluminum, Wood, ABS, Resin
Case Material
Aluminum, Plastic, ABS
Keycaps Material
PBT, ABS, PC
Keycaps Material
PBT
Dimensions
30 x 127 x 41 mm
Dimensions
13 x 319 x 129 mm
Weight
1743g
Weight
750g
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Pros and Trade-offs

Your primary need dictates the choice. For a performance-driven, highly customizable keyboard where gaming features and switch-level tuning are paramount, the Keychron K2 HE is the superior tool. If your workflow demands a keyboard that slips into a bag effortlessly, pairs seamlessly with mobile devices, and offers a sleek, low-profile typing experience, the Nuphy Air75 V3 is the more practical daily companion. Consider the K2 HE an investment in customization and performance, and the Air75 V3 an investment in portability and minimalist design.

Keychron K2 HE

  • +Advanced Gateron double-rail magnetic switches with adjustable actuation points (0.2-3.8mm).
  • +Extensive firmware support via QMK and VIA for deep customization.
  • +Wide array of internal sound-dampening foams including EVA, EPDM, and a silicone pad.
  • +Available in multiple layout standards and special editions with aluminum and wood cases.
  • +Includes gaming-centric features like Rapid Trigger, Analog Mode, and Dynamic Keystrokes.
  • −Heavier at 980g and taller than the Air75 V3, making it less portable.
  • −Magnetic hot-swap sockets are only compatible with specific Gateron double-rail magnetic switches.
  • −North-facing RGB LEDs may cause interference with certain Cherry-profile keycaps.

Nuphy Air75 V3

  • +Extremely thin low-profile design at 13mm height for easy portability.
  • +Includes dedicated travel accessories like the NuFolio case and Airfeet stand.
  • +Features a 3-stage adjustable kickstand for ergonomic angle adjustment.
  • +Manufacturer claims a very long battery life of up to 1200 hours with RGB off.
  • +South-facing RGB LEDs avoid keycap interference.
  • −Limited to low-profile linear or clicky Nano switches, with less variety than standard switches.
  • −Gasket mount design and low-profile nature may offer less acoustic modification potential.
  • −Offers fewer international layout options (ANSI, ISO-DE, ISO, ISO-FR) compared to the K2 HE.

Which Keyboard Is Better for Your Needs?

The Keychron K2 HE is the clear choice for gaming and modding due to its magnetic switch technology and open-source firmware support. For office work and frequent travel, the Nuphy Air75 V3's thin, lightweight design and travel accessories are more practical. Programmers will favor the K2 HE for its layout options and programmability, while content creators will find both keyboards equally capable with their shared multimedia knob and wireless features.

GamingKeychron K2 HE
  • •The K2 HE features Hall effect magnetic switches with adjustable actuation points from 0.2 to 3.8 mm.
  • •It supports advanced gaming features like Rapid Trigger, Analog Mode, and Last Key Priority (LKP).
  • •It has a 1000 Hz polling rate in both wired and 2.4 GHz modes for low latency.
OfficeNuphy Air75 V3
  • •The Air75 V3 has a significantly thinner profile at 13 mm, making it easier to carry and store.
  • •Its low-profile design and included accessories like the NuFolio case and Airfeet stand are marketed for Mac/iPad users and mobile work.
  • •It offers a 3-stage adjustable kickstand for ergonomic typing angles.
ProgrammingKeychron K2 HE
  • •The K2 HE supports QMK and VIA firmware for deep key remapping and macro programming.
  • •It offers a wider selection of layout standards (ANSI, ISO-UK, ISO-DE, ISO-Nordic, etc.) for international users.
  • •Its hot-swappable design is compatible with a specific range of Gateron double-rail magnetic switches for customization.
TravelNuphy Air75 V3
  • •The Air75 V3 is lighter at 750g compared to the K2 HE's 980g.
  • •Its ultra-thin 13 mm height and dedicated NuFolio carrying case are designed for portability.
  • •The manufacturer claims an exceptionally long battery life of up to 1200 hours with RGB off.
ModdingKeychron K2 HE
  • •The K2 HE is hot-swappable and features a tray mount design with multiple internal foam layers (EVA, EPDM, silicone pad) for sound modification.
  • •It uses screw-in PCB stabilizers, which are preferred for modding.
  • •Open-source QMK firmware allows for extensive community-driven customization and programming.
Content CreationTie
  • •Both keyboards have a knob for media control and shortcuts.
  • •Both support multi-device connectivity via Bluetooth and 2.4 GHz for switching between workstations.
  • •Both include Mac and Windows keycaps and system toggles for cross-platform use.

Frequently Asked Questions (FAQ)

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