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

This comparison is for buyers deciding between two highly-rated 75% wireless keyboards. The Nuphy Air75 V2 and Keychron K2 HE share a layout, hot-swap support, and QMK/VIA programmability, making the choice difficult. The decision hinges on whether you prioritize a thin, lightweight build for travel and laptop use, or a heavier, more feature-dense board focused on gaming performance and acoustic tuning.

91
NuPhy Air75 V2 - Lunar Gray
99
Keychron K2 HE Wireless Magnetic Switch Custom Keyboard

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0.0 (0)
4.6 (69)
  • 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
  • Features PBT keycaps
  • Offers Yes, Rgb, South-face, Rgb South-face RGB lighting
  • Released in 2024
  • 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
  • Comes with a knob
  • Utilizes Hall effect sensors
  • 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
Scores
  • Performance: 79.8
  • Build Quality: 78.2
  • Productivity: 88.2
  • Customizability: 94.8
  • Portability: 81.1
Scores
  • Performance: 93.3
  • Build Quality: 90.8
  • Productivity: 96.9
  • Customizability: 99.6
  • Portability: 81.3
Name
Nuphy Air75 V2
Name
Keychron K2 HE
Release year
2023
Release year
2024
Switch Options
Low-Profile Mechanical, Linear, Tactile
Switch Options
Linear, Magnetic
Profile
Low Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
75%
Layout Size
75%
Layout Standard
ANSI
Layout Standard
ANSI, ISO, ISO-UK, ISO-DE, ISO-ES, ISO-FR, ISO-CH, ISO-Nordic, JIS
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
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, Wood, ABS, Resin
Keycaps Material
PBT
Keycaps Material
PBT, ABS, PC
Dimensions
14 x 317 x 133 mm
Dimensions
30 x 127 x 41 mm
Weight
598g
Weight
1743g
*Something incorrect or missing? Please
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Pros and Trade-offs

Your primary need dictates the choice. If you travel frequently, use a laptop as your main machine, and want a keyboard that slips into a bag easily, the Nuphy Air75 V2 is the superior tool. If you are a gamer or hobbyist modder who values cutting-edge switch technology, deep software customization for performance, and a thocky, well-damped typing experience at a stationary desk, the Keychron K2 HE is worth its extra weight and complexity.

Nuphy Air75 V2

  • +Extremely portable at 598g with a 13.5mm low-profile design.
  • +Specifically designed for laptop compatibility, with a list of tested models provided.
  • +Includes sound-dampening materials like plate poron, IXPE foam, and spacebar silicone.
  • +Offers a wide variety of official low-profile keycap and accessory sets.
  • +Features dual RGB light bars on the sides for battery and connection status.
  • −Limited to low-profile switches, restricting aftermarket switch options.
  • −Lower front height may require a wrist rest for some users during extended typing.
  • −Lacks the advanced gaming features like adjustable actuation and rapid trigger found on the K2 HE.

Keychron K2 HE

  • +Advanced Gateron Double-Rail Magnetic Switches with adjustable actuation points (0.2-3.8mm).
  • +Packed with gaming features: Rapid Trigger, Analog Mode, Last Key Priority, and Dynamic Keystrokes.
  • +Comprehensive sound dampening with EVA foam, EPDM foam, a silicone pad, and PET film.
  • +Available in numerous ISO layout options and with wood-accented Special Edition cases.
  • +Uses screw-in PCB stabilizers and supports knob installation for customization.
  • −Very heavy, with the Special Edition weighing 965g and the Standard Version at 980g.
  • −Magnetic switch ecosystem is limited, compatible only with specific Gateron double-rail magnetic switches.
  • −Substantially taller (30+ mm front height) than the Air75, which may be less ergonomic without a palm rest.

Which Keyboard Is Better for Your Needs?

The Keychron K2 HE is the clear choice for gaming and modding enthusiasts, thanks to its magnetic switch technology, extensive gaming features, and detailed acoustic construction. The Nuphy Air75 V2 excels in office and travel scenarios where its low-profile, lightweight design and laptop-focused ergonomics are paramount. For programming, both are equally capable due to their shared programmability and compact layouts, while content creators may lean towards the K2 HE for its advanced macro potential.

GamingKeychron K2 HE
  • •The K2 HE features adjustable actuation points from 0.2 to 3.8mm and Rapid Trigger functionality for competitive play.
  • •It includes gaming-specific features like Last Key Priority (LKP) and Snap Click, which can be enabled via its Launcher web app.
  • •Its listing mentions industry-leading latency performance, as tested by a third-party website.
OfficeNuphy Air75 V2
  • •The Air75 V2's low-profile design and 13.5mm height make it easier to pair with a laptop keyboard or use on a desk without a wrist rest.
  • •Its vendor description highlights specific laptop compatibility, listing models from Apple, Microsoft, Lenovo, HP, Dell, and Razer.
  • •At 598g, it is significantly lighter than the K2 HE, making it easier to move between meeting rooms or workspaces.
ProgrammingTie
  • •Both keyboards support QMK and VIA for extensive key remapping and macro creation, essential for coding workflows.
  • •Both offer a 75% layout with arrow keys and function row, preserving most keys in a compact form.
  • •Each is listed as compatible with macOS, Windows, and Linux.
TravelNuphy Air75 V2
  • •The Air75 V2 weighs 598g, less than half the weight of the lightest K2 HE configuration (965g).
  • •Its slim 13.5mm profile is designed to fit over laptop keyboards, and Nuphy sells dedicated carrying cases like the NuPack.
  • •The low-profile switches and keycaps contribute to a thinner overall package.
ModdingKeychron K2 HE
  • •The K2 HE's listing details multiple internal foam layers (EVA, EPDM, silicone pad, PET film) for sound tuning.
  • •It uses screw-in PCB stabilizers, which are generally preferred by modders for their stability.
  • •The vendor offers the keyboard in a DIY Kit/Barebones option, and the plate supports knob installation.
Content CreationKeychron K2 HE
  • •The K2 HE supports Dynamic Keystrokes (DKS), allowing up to 4 distinct actions per key based on press depth, useful for macro-heavy editing software.
  • •Its Launcher web app provides granular control over RGB lighting with 22+ backlight modes.
  • •The inclusion of multi-media keys, as noted in its extra features, provides quick access to playback controls.

Frequently Asked Questions (FAQ)

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