Compare Nuphy Air75 V2 vs Keydous AJ68 Differences Side by Side

This comparison is for buyers deciding between two popular low-profile mechanical keyboards. The Nuphy Air75 V2 offers extensive connectivity and customization, while the Keydous AJ68 focuses on a specific internal mounting structure. The decision is difficult because both are hot-swappable with PBT keycaps, but they cater to fundamentally different priorities in connectivity and typing experience.

Model
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Rating	0.0 stars (0 reviews)	0.0 stars (0 reviews)
Purchase Options
Main differences	Released in 2023 Has Low-Profile Mechanical, Linear, Tactile switch options Available in a 75% layout Offers Low Profile ergonomics Compatible with both Mac and Windows Provides dedicated media keys Connects via USB-C Supports QMK firmware Supports VIA configuration Features N-key rollover 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 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 2025 Has Silent switch options Available in a 65% layout Offers Normal ergonomics Uses a Gasket Mount mounting style Supports Wired, Wired only connectivity Equipped with a 3500 mAh battery Offers Yes, Rgb RGB lighting
Score	Scores Performance: 80.8 Build Quality: 79.7 Productivity: 88.6 Customizability: 95.2 Portability: 79.2	Scores Performance: 45 Build Quality: 44.7 Productivity: 45.6 Customizability: 57.3 Portability: 68.5
Name	Name Nuphy Air75 V2	Name Keydous AJ68
Release year	Release year 2023	Release year 2025
Switch Options	Switch Options Low-Profile Mechanical, Linear, Tactile	Switch Options Silent
Profile	Profile Low Profile	Profile Low Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 75%	Layout Size 65%
Layout Standard	Layout Standard ANSI	Layout Standard ANSI
Layout Ergonomics	Layout Ergonomics Low Profile	Layout Ergonomics Normal
Knob Support	Knob Support	Knob Support
Display Support	Display Support	Display Support
Mac/Win Support	Mac/Win Support	Mac/Win Support
Multi-Media Keys	Multi-Media Keys	Multi-Media Keys
USB-C	USB-C	USB-C
USB passthrough	USB passthrough	USB passthrough
Connection	Connection Bluetooth, 2.4 GHz, Wired, Wireless	Connection Wired, Wired only
Polling Rate	Polling Rate 1000 Hz	Polling Rate -
Battery capacity	Battery capacity 4000 mAh	Battery capacity 3500 mAh
Hall Effect Support	Hall Effect Support	Hall Effect Support
QMK Support	QMK Support	QMK Support
VIA Support	VIA Support	VIA Support
VIAL Support	VIAL Support	VIAL Support
N-Key Rollover	N-Key Rollover	N-Key Rollover
Rapid Trigger	Rapid Trigger	Rapid Trigger
Mount Style	Mount Style -	Mount Style Gasket Mount
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight Rgb, South-face	Backlight Rgb
Case Colors	Case Colors	Case Colors
Case Material	Case Material Aluminum, Plastic, ABS	Case Material -
Keycaps Material	Keycaps Material PBT	Keycaps Material PBT
Dimensions	Dimensions 14 x 317 x 133 mm	Dimensions -
Weight	Weight 598g	Weight -

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Pros and Trade-offs

For most users, the Nuphy Air75 V2 is the recommended choice due to its superior connectivity, customization, and layout utility. Only consider the Keydous AJ68 if your priority is a gasket-mounted typing experience in a low-profile form factor and you have no need for wireless operation. The Air75 V2's broader feature set justifies its price for flexible, modern use.

Nuphy Air75 V2

+Tri-mode wireless connectivity with a 1000Hz polling rate in 2.4GHz and wired modes.
+Extensive customization via open-source QMK and VIA firmware.
+Includes internal sound-dampening foams (plate poron, IXPE) and spacebar silicone.
+Wide selection of official low-profile switch and keycap upgrades available.
+Lighter weight and longer battery life compared to the AJ68.

−More expensive than the base AJ68 model.
−The low-profile switch ecosystem, while growing, is more niche than standard MX switches.
−No gasket mount design, using a more traditional mounting style.

Keydous AJ68

+Features a gasket-mounted internal structure for a softer typing feel.
+Includes five-layered internal padding for sound dampening.
+Web-based driver software for key programming and RGB adjustment.

−Wired-only connectivity, lacking Bluetooth or 2.4GHz wireless options.
−65% layout omits the function row and dedicated navigation cluster.
−Heavier at 815g and has a smaller 3500mAh battery (though it's wired-only).
−Lacks community-driven firmware support like QMK/VIA.

Which Keyboard Is Better for Your Needs?

The Nuphy Air75 V2 is the more versatile choice, winning across all defined use cases. Its advantages in wireless performance, software customization, and key layout make it suitable for dynamic environments. The Keydous AJ68's primary appeal is its specific gasket-mounted construction for a potentially softer typing feel, but it is limited by its wired-only connection and more compact 65% layout.

GamingNuphy Air75 V2

•The Air75 V2 has a specified 1000Hz polling rate for its 2.4GHz and wired connections.
•It offers a choice of linear, tactile, and clicky switch types, including options with short pre-travel for rapid response.
•The 75% layout retains dedicated arrow and function keys for game shortcuts.

OfficeNuphy Air75 V2

•Tri-mode connectivity (Bluetooth, 2.4GHz, wired) allows easy switching between multiple devices.
•Explicit compatibility for Windows, macOS, and Linux is listed by the manufacturer.
•The 4000mAh battery offers longer potential runtime than the AJ68's 3500mAh.

ProgrammingNuphy Air75 V2

•The 75% layout includes a column of function keys and dedicated arrow keys, which are absent on the 65% AJ68.
•Full programmability via QMK and VIA firmware allows for deep key remapping and layer creation.
•Multi-device Bluetooth support is useful for pairing with a laptop and a secondary machine.

TravelNuphy Air75 V2

•The Air75 V2 is significantly lighter at 598g compared to the AJ68's listed 815g.
•Wireless operation removes the need to carry a cable for use.
•Nuphy offers optional carrying cases like the NuPack, according to its product page.

ModdingNuphy Air75 V2

•Open-source QMK and VIA firmware support provides extensive software customization.
•A wide range of official low-profile switch and keycap upgrades are sold by Nuphy.
•The product description mentions internal sound-dampening materials like plate poron and IXPE foam.

Content CreationNuphy Air75 V2

•Programmable macros via QMK/VIA can streamline editing workflows.
•The additional function row on the 75% layout provides more readily accessible shortcuts.
•Multi-device Bluetooth connectivity is advantageous for setups involving a desktop and a tablet.