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Compare Keychron K2 HE vs NIUNIU Roly poly 40 R3 Differences Side by Side

Explore the comprehensive side-by-side comparison of the Keychron K2 HE and NIUNIU Roly poly 40 R3 and view their biggest differences. The detailed comparison table allows you to see all the essential features, specifications, and benefits of each keyboard at a glance. Whether you're looking for performance, value, or specific functionalities, this comparison tool helps you make an informed decision.

99
Keychron K2 HE Wireless Magnetic Switch Custom Keyboard
67
[Pre-Order] STAGGERED Roly-poly 40 R3 Keyboard Kit by Niuniu

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4.6 (69)
0.0 (0)
  • Released in 2024
  • Has Linear, Magnetic switch options
  • Available in a 75% layout
  • Built with the ANSI, ISO, ISO-UK, ISO-DE, ISO-ES, ISO-FR, ISO-CH, ISO-Nordic, JIS layout standard
  • Comes with a knob
  • Compatible with both Mac and Windows
  • Provides dedicated media keys
  • Connects via USB-C
  • Utilizes Hall effect sensors
  • Supports QMK firmware
  • Supports VIA configuration
  • Features N-key rollover
  • Enables rapid trigger functionality
  • Includes screw-in stabilizers
  • Has built-in sound dampening
  • Uses a Tray Mount mounting style
  • Runs at a 1000 Hz polling rate
  • Equipped with a 4000 mAh battery
  • 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
  • Released in 2025
  • Has Linear switch options
  • Available in a 40% layout
  • Built with the ANSI layout standard
  • Supports VIAL configuration
  • Uses a Top Mount mounting style
  • Made with a Aluminum case
  • Offers No RGB lighting
Scores
  • Performance: 93.3
  • Build Quality: 90.8
  • Productivity: 96.9
  • Customizability: 99.6
  • Portability: 81.3
Scores
  • Performance: 47.5
  • Build Quality: 74.3
  • Productivity: 51.6
  • Customizability: 71
  • Portability: 80.2
Name
Keychron K2 HE
Name
NIUNIU Roly poly 40 R3
Release year
2024
Release year
2025
Switch Options
Linear, Magnetic
Switch Options
Linear
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
75%
Layout Size
40%
Layout Standard
ANSI, ISO, ISO-UK, ISO-DE, ISO-ES, ISO-FR, ISO-CH, ISO-Nordic, JIS
Layout Standard
ANSI
Layout Ergonomics
Normal
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
-
Battery capacity
4000 mAh
Battery capacity
-
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
Top Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, North-face, White
Backlight
 
Case Colors
Case Colors
Case Material
Aluminum, Wood, ABS, Resin
Case Material
Aluminum
Keycaps Material
PBT, ABS, PC
Keycaps Material
-
Dimensions
30 x 127 x 41 mm
Dimensions
-
Weight
1743g
Weight
-
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