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Compare FE 21.3 Helios 88 vs Sirius Ursa Major V2 Differences Side by Side

Explore the comprehensive side-by-side comparison of the FE 21.3 Helios 88 and Sirius Ursa Major V2 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.

Helios 88
87
[In Stock] Ursa Major V2 Wireless Aluminum Ultimate Keyboard

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  • Offers Normal ergonomics
  • Uses a Top Mount mounting style
  • Weighs about 2400 g
  • Available in a Other layout
  • Offers Split ergonomics
  • Comes with a knob
  • Compatible with both Mac and Windows
  • Connects via USB-C
  • Supports QMK firmware
  • Supports VIA configuration
  • Features N-key rollover
  • Includes screw-in stabilizers
  • Has built-in sound dampening
  • Supports Bluetooth, Wired, Wireless connectivity
  • Runs at a 1000 Hz polling rate
  • Equipped with a 2400 mAh battery
  • Weighs about 1400 g
  • Sized at 14 x 36 x 4 mm
Scores
  • Performance: 46.4
  • Build Quality: 54
  • Productivity: 48.5
  • Customizability: 48
  • Portability: 44.1
Scores
  • Performance: 67.4
  • Build Quality: 81.5
  • Productivity: 97.3
  • Customizability: 92
  • Portability: 90.1
Name
FE 21.3 Helios 88
Name
Sirius Ursa Major V2
Release year
2025
Release year
2025
Switch Options
-
Switch Options
-
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
Unknown
Layout Size
Other
Layout Standard
ANSI
Layout Standard
ANSI
Layout Ergonomics
Normal
Layout Ergonomics
Split
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
Connection
Bluetooth, Wired, Wireless
Polling Rate
-
Polling Rate
1000 Hz
Battery capacity
-
Battery capacity
2400 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
Top Mount
Mount Style
-
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Backlight
 
Case Colors
Case Colors
Case Material
Aluminum
Case Material
Aluminum
Keycaps Material
-
Keycaps Material
-
Dimensions
-
Dimensions
14 x 36 x 4 mm
Weight
2400g
Weight
1400g
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