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Compare Keychron K3 Ultra vs Lofree Flow 2 Differences Side by Side

Explore the comprehensive side-by-side comparison of the Keychron K3 Ultra and Lofree Flow 2 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.

84
Keychron K3 Ultra 8K Wireless Custom Mechanical Keyboard
82
Flow 2 Low-profile Mechanical Keyboard for Mac Reservation

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  • Released in 2026
  • Has Linear, Tactile, Clicky switch options
  • Available in a 75% layout
  • Built with the ANSI, ISO layout standard
  • Uses a Plate Mount mounting style
  • Runs at a 8000 Hz polling rate
  • Equipped with a 2600 mAh battery
  • Made with a ABS, Wood case
  • Features PBT keycaps
  • Offers Yes, Rgb, White, North-face, Rgb North-face, White North-face RGB lighting
  • Released in 2025
  • Has Silent switch options
  • Available in a Unknown layout
  • Built with the ANSI layout standard
  • Uses a Gasket Mount mounting style
  • Runs at a 1000 Hz polling rate
  • Equipped with a 3000 mAh battery
  • Weighs about 870 g
  • Sized at 22 x 341 x 107 mm
  • Made with a Aluminum case
  • Features PBT, PC keycaps
  • Offers Yes, White RGB lighting
Scores
  • Performance: 86.3
  • Build Quality: 75.8
  • Productivity: 88.8
  • Customizability: 87
  • Portability: 82
Scores
  • Performance: 54.3
  • Build Quality: 81.2
  • Productivity: 83.8
  • Customizability: 84.3
  • Portability: 56.2
Name
Keychron K3 Ultra
Name
Lofree Flow 2
Release year
2026
Release year
2025
Switch Options
Linear, Tactile, Clicky
Switch Options
Silent
Profile
Low Profile
Profile
Low Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
75%
Layout Size
Unknown
Layout Standard
ANSI, ISO
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
8000 Hz
Polling Rate
1000 Hz
Battery capacity
2600 mAh
Battery capacity
3000 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, White, North-face
Backlight
 
White
Case Colors
Case Colors
Case Material
ABS, Wood
Case Material
Aluminum
Keycaps Material
PBT
Keycaps Material
PBT, PC
Dimensions
-
Dimensions
22 x 341 x 107 mm
Weight
-
Weight
870g
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