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Compare Chilkey ND75 vs Keydous NJ81 Differences Side by Side

This comparison is for buyers deciding between two similarly priced 75% wireless keyboards with LCD screens. The decision hinges on whether you prioritize a premium aluminum build with multiple mounting options or a lighter plastic chassis with a dedicated gasket mount. Both offer triple-mode connectivity, hot-swappable switches, and PBT keycaps, making the core trade-off one of material, weight, and typing feel.

79
Chilkey ND75 1.6mm Non- Flex Cut PCB 75% Keyboard
65
Keydous NJ81 Hot-swap Display Screen Mechanical Keyboard

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  • Released in 2024
  • Has Linear, Clicky switch options
  • Built with the ANSI, ISO, ISO-DE layout standard
  • Includes a Yes, LCD display
  • Features N-key rollover
  • Includes screw-in stabilizers
  • Uses a Plate Mount mounting style
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless, connectivity
  • Equipped with a 3600 mAh battery
  • Weighs about 1680 g
  • Made with a Aluminum case
  • Released in 2022
  • Has Clicky, Linear switch options
  • Built with the ANSI layout standard
  • Includes a Yes display
  • Uses a Gasket Mount mounting style
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Equipped with a 4000 mAh battery
  • Weighs about 970 g
  • Sized at 36 x 134 x 315 mm
  • Made with a Plastic case
Scores
  • Performance: 75
  • Build Quality: 75.4
  • Productivity: 75.5
  • Customizability: 82.8
  • Portability: 82
Scores
  • Performance: 48.2
  • Build Quality: 55.1
  • Productivity: 65.9
  • Customizability: 78.6
  • Portability: 80.3
Name
Chilkey ND75
Name
Keydous NJ81
Release year
2024
Release year
2022
Switch Options
Linear, Clicky
Switch Options
Clicky, Linear
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
75%
Layout Size
75%
Layout Standard
ANSI, ISO, ISO-DE
Layout Standard
ANSI
Layout Ergonomics
Normal
Layout Ergonomics
Normal
Knob Support
 
Knob Support
 
Display Support
 
LCD
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
-
Polling Rate
-
Battery capacity
3600 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
Plate Mount
Mount Style
Gasket Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb
Backlight
 
Rgb
Case Colors
Case Colors
Case Material
Aluminum
Case Material
Plastic
Keycaps Material
PBT
Keycaps Material
PBT
Dimensions
-
Dimensions
36 x 134 x 315 mm
Weight
1680g
Weight
970g
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Pros and Trade-offs

Your choice depends on what you value more in a keyboard's foundation. The Chilkey ND75 is the pick for users who want the heft and acoustics of an aluminum case and the hobbyist-friendly option to experiment with different mounting styles. The Keydous NJ81 is better for those who prioritize a lighter keyboard for easy transport, prefer the feel of a gasket mount, and need the widest possible device compatibility as stated by its maker.

Chilkey ND75

  • +CNC aluminum case construction for a premium feel.
  • +Unique screwless design allows switching between three mounting systems: split o-ring, silicone gel particle, and top mount.
  • +Includes screw-in stabilizers.
  • +Comes with Cherry profile double-shot PBT keycaps.
  • +Offers ISO, ISO-DE, and ANSI layout support.
  • −Much heavier at 1680 grams, reducing portability.
  • −Smaller 3600mAh total battery capacity (2x 1800mAh).
  • −One vendor listing states no Mac compatibility, though metadata lists Mac/Win support.

Keydous NJ81

  • +Significantly lighter weight of 970 grams.
  • +Larger 4000mAh battery capacity.
  • +Gasket mount design for a potentially softer typing feel.
  • +Manufacturer states support for Windows, Apple, Linux, and Android.
  • +Choice of steel or brass plate material.
  • −Plastic case material compared to aluminum.
  • −Only ANSI layout is listed, lacking ISO options.
  • −Mounting style is fixed as gasket mount with less user flexibility.

Which Keyboard Is Better for Your Needs?

The Chilkey ND75 wins for gaming, modding, and content creation, largely due to its aluminum construction and flexible mounting system. The Keydous NJ81 is better suited for office use and travel, thanks to its lighter plastic build, broader stated device compatibility, and larger battery. For programming, both keyboards are equally capable with their shared 75% layout and hot-swap features.

GamingChilkey ND75
  • •Aluminum case may provide a more stable, resonant typing feel.
  • •N-key rollover is explicitly listed for reliable multi-key presses.
  • •The vendor description lists a 1.6mm PCB which can contribute to a solid foundation.
OfficeKeydous NJ81
  • •Lighter weight (970g vs 1680g) makes it easier to move around a desk.
  • •The manufacturer states support for Windows, Apple, Linux, and Android devices.
  • •Longer claimed battery life (up to 450 hours light off) per the vendor description.
ProgrammingTie
  • •Both use a 75% layout with function row and arrow keys.
  • •Both have hot-swappable PCBs for switch customization.
  • •Both feature PBT keycaps for durability.
TravelKeydous NJ81
  • •Significantly lighter at 970 grams compared to 1680 grams.
  • •Smaller physical dimensions (315x134x36mm) are provided.
  • •Larger 4000mAh battery capacity for longer use between charges.
ModdingChilkey ND75
  • •Screwless design allows easy change between split o-ring, silicone gel particle, and top mount systems.
  • •Aluminum case offers a more premium base for modifications.
  • •Includes screw-in stabilizers, which are favored by modders.
Content CreationChilkey ND75
  • •Aluminum construction may offer a more premium, satisfying tactile experience for long typing sessions.
  • •Cherry profile double-shot PBT keycaps are specified in the vendor description.
  • •The ability to customize the mounting style can fine-tune the sound and feel to preference.

Frequently Asked Questions (FAQ)

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