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Compare Keydous AJ68 CP HE vs Nuphy Air75 V3 Differences Side by Side

This comparison is for buyers deciding between two popular low-profile mechanical keyboards at a similar price. The Keydous AJ68CP HE is a wired-only specialist with high-performance magnetic switches, while the Nuphy Air75 V3 is a versatile wireless workhorse with a larger layout and extensive accessories. The choice hinges on prioritizing raw gaming latency or all-around usability across multiple devices.

Keydous AJ68-CP Low Profile Metal HE Magnetic Keyboard
74
NuPhy Air75 V3 - Nova White / Blush nano / ANSI - US English

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  • Released in 2025
  • Has Magnetic switch options
  • Available in a 65% layout
  • Built with the ANSI layout standard
  • Offers Normal ergonomics
  • Utilizes Hall effect sensors
  • Features N-key rollover
  • Supports Wired, Wired only connectivity
  • Runs at a 8000 Hz polling rate
  • Weighs about 800 g
  • Sized at 21 x 352 x 125 mm
  • Made with a Metal case
  • Offers Yes, Rgb RGB lighting
  • Released in 2024
  • Has Low-Profile, Linear, Clicky switch options
  • Available in a 75% layout
  • Built with the ANSI, ISO, JIS, ISO-DE, ISO-FR layout standard
  • Offers Low Profile ergonomics
  • Comes with a knob
  • Has built-in sound dampening
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Runs at a 1000 Hz polling rate
  • Equipped with a 4000 mAh battery
  • Weighs about 750 g
  • Sized at 13 x 319 x 129 mm
  • Made with a Aluminum, Plastic, ABS case
  • Offers Yes, Rgb, South-face, Rgb South-face RGB lighting
Scores
  • Performance: 84.7
  • Build Quality: 44.3
  • Productivity: 59.3
  • Customizability: 61.6
  • Portability: 73.2
Scores
  • Performance: 68.3
  • Build Quality: 69.8
  • Productivity: 83.8
  • Customizability: 68.5
  • Portability: 81.8
Name
Keydous AJ68 CP HE
Name
Nuphy Air75 V3
Release year
2025
Release year
2024
Switch Options
Magnetic
Switch Options
Low-Profile, Linear, Clicky
Profile
Low Profile
Profile
Low Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
65%
Layout Size
75%
Layout Standard
ANSI
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
Wired, Wired only
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate
8000 Hz
Polling Rate
1000 Hz
Battery capacity
-
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
Gasket Mount
Mount Style
Gasket Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb
Backlight
 
Rgb, South-face
Case Colors
Case Colors
Case Material
Metal
Case Material
Aluminum, Plastic, ABS
Keycaps Material
PBT
Keycaps Material
PBT
Dimensions
21 x 352 x 125 mm
Dimensions
13 x 319 x 129 mm
Weight
800g
Weight
750g
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Pros and Trade-offs

Your primary need dictates the choice. For a dedicated, high-performance gaming peripheral where every millisecond counts, the wired Keydous AJ68CP HE is the clear pick. For a daily driver that excels in office work, travel, and multi-device setups, the versatile and feature-rich Nuphy Air75 V3 is the more practical keyboard.

Keydous AJ68 CP HE

  • +8000Hz polling rate for minimal input latency.
  • +Hall effect magnetic switches with adjustable actuation points (0.1mm to 3.3mm).
  • +Full metal case construction.
  • +Includes a detachable storage compartment for device receivers.
  • −Wired-only connectivity limits placement and portability.
  • −65% layout lacks dedicated function row and some navigation keys.
  • −No mention of included sound-dampening materials.

Nuphy Air75 V3

  • +Tri-mode connectivity: Bluetooth, 2.4GHz, and wired.
  • +Includes a programmable knob for media or macros.
  • +Comes with sound-dampening foam and screw-in stabilizers.
  • +Features a large 4000mAh battery for extended wireless use.
  • −Lower 1000Hz polling rate compared to the Keydous.
  • −Case uses a combination of aluminum, ABS, and plastic.
  • −Lacks the advanced actuation customization of Hall effect switches.

Which Keyboard Is Better for Your Needs?

The Nuphy Air75 V3 wins in most productivity and mobile scenarios due to its wireless flexibility, larger layout, and included knob. The Keydous AJ68CP HE is the definitive choice for competitive gamers who value its ultra-high polling rate and Hall effect precision. For modding, both offer strong foundations with hot-swap sockets and gasket mounts.

GamingKeydous AJ68 CP HE
  • •The Keydous AJ68CP HE has an 8000Hz polling rate for lower latency.
  • •It features Hall effect magnetic switches with customizable actuation points.
  • •The wired-only connection provides a stable, interference-free link.
OfficeNuphy Air75 V3
  • •The Nuphy Air75 V3 offers Bluetooth and 2.4GHz wireless connectivity for flexible device switching.
  • •Its 75% layout includes dedicated function keys and arrow keys for productivity.
  • •The manufacturer highlights strong Mac/iPad compatibility and includes accessories like a multi-position stand.
ProgrammingNuphy Air75 V3
  • •The Nuphy Air75 V3's 75% layout provides more immediate key access than a 65%.
  • •It includes a programmable knob for macros or media control.
  • •Multi-device wireless support is useful for switching between machines.
TravelNuphy Air75 V3
  • •The Nuphy Air75 V3 is thinner at 13mm and supports wireless operation with a 4000mAh battery.
  • •Its wireless connectivity eliminates the need for a cable on the go.
  • •The vendor description mentions a protective folio case accessory for mobility.
ModdingTie
  • •Both keyboards are hot-swappable, allowing for easy switch changes.
  • •Both feature gasket mount designs for a softer typing feel.
  • •The Keydous offers Hall effect customization, while the Nuphy includes screw-in stabilizers and sound dampening foam.
Content CreationNuphy Air75 V3
  • •The Nuphy Air75 V3's programmable knob is ideal for timeline scrubbing or volume control.
  • •Wireless connectivity reduces desktop clutter.
  • •The vendor's software, NuPhy IO 2.0, supports macro recording for automating repetitive tasks.

Frequently Asked Questions (FAQ)

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