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Compare Keychron V3 Ultra vs Neo One of Zero Si75 HE Differences Side by Side

Explore the comprehensive side-by-side comparison of the Keychron V3 Ultra and Neo One of Zero Si75 HE 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.

92
Keychron V3 Ultra 8K Wireless Custom Mechanical Keyboard ISO Layout Collection
80
ONEofZERO Si75 HE Hotswap RGB Keyboard

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  • Has Tactile, Linear, Clicky switch options
  • Available in a 80% layout
  • Built with the ISO-ES, ISO-FR, ISO-DE, ISO-UK, ISO-CH, JIS, ISO, ANSI layout standard
  • Provides dedicated media keys
  • Supports QMK firmware
  • Supports VIA configuration
  • Features N-key rollover
  • Supports Wired, Wired only, Bluetooth, 2.4 GHz, Wireless connectivity
  • Equipped with a 4000 mAh battery
  • Weighs about 960 g
  • Sized at 33 x 368 x 149 mm
  • Made with a Plastic, ABS case
  • Offers Yes, Rgb, White, South-face, Rgb South-face, White South-face RGB lighting
  • Has Magnetic switch options
  • Available in a 75% layout
  • Built with the ANSI layout standard
  • Utilizes Hall effect sensors
  • Enables rapid trigger functionality
  • Supports Wired, Wired only connectivity
  • Made with a ABS, Polycarbonate case
  • Offers Yes, Rgb, South-face, Rgb South-face RGB lighting
Scores
  • Performance: 91.2
  • Build Quality: 82.1
  • Productivity: 97.6
  • Customizability: 95.1
  • Portability: 76.2
Scores
  • Performance: 95.3
  • Build Quality: 69.6
  • Productivity: 90.8
  • Customizability: 74.8
  • Portability: 65.2
Name
Keychron V3 Ultra
Name
Neo One of Zero Si75 HE
Release year
2026
Release year
2026
Switch Options
Tactile, Linear, Clicky
Switch Options
Magnetic
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
80%
Layout Size
75%
Layout Standard
ISO-ES, ISO-FR, ISO-DE, ISO-UK, ISO-CH, JIS, ISO, ANSI
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
Wired, Wired only, Bluetooth, 2.4 GHz, Wireless
Connection
Wired, Wired only
Polling Rate
8000 Hz
Polling Rate
8000 Hz
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
Gasket Mount
Mount Style
Gasket Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, White, South-face, White South-face
Backlight
 
Rgb, South-face
Case Colors
Case Colors
Case Material
Plastic, ABS
Case Material
ABS, Polycarbonate
Keycaps Material
PBT
Keycaps Material
PBT
Dimensions
33 x 368 x 149 mm
Dimensions
-
Weight
960g
Weight
-
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