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Compare Keychron K1 Ultra vs K3 V3 Differences Side by Side

Explore the comprehensive side-by-side comparison of the Keychron K1 Ultra and Keychron K3 V3 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.

78
Keychron K1 Ultra 8K Wireless Custom Mechanical Keyboard
83
Keychron K3 QMK Wireless Mechanical Keyboard (ISO Layout) - Version 3

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  • Released in 2026
  • Available in a 80% layout
  • Built with the ANSI layout standard
  • Comes with a knob
  • Connects via USB-C
  • Has built-in sound dampening
  • Uses a Plate Mount mounting style
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Runs at a 8000 Hz polling rate
  • Equipped with a 2600 mAh battery
  • Weighs about 628.9 g
  • Sized at 20 x 359 x 128 mm
  • Made with a Aluminum, Wood, ABS case
  • Features PBT keycaps
  • Released in 2024
  • Available in a 75% layout
  • Built with the ANSI, ISO, ISO-UK, ISO-DE, ISO-SW, ISO-Nordic layout standard
  • Supports QMK firmware
  • Supports VIA configuration
  • Uses a Top Mount mounting style
  • Supports Bluetooth, Wired, Wireless connectivity
  • Runs at a 1000 Hz polling rate
  • Equipped with a 1550 mAh battery
  • Weighs about 540 g
  • Sized at 19 x 306 x 116 mm
  • Made with a ABS, Aluminum case
  • Features PBT, ABS keycaps
Scores
  • Performance: 89.1
  • Build Quality: 70.1
  • Productivity: 84
  • Customizability: 75
  • Portability: 76.5
Scores
  • Performance: 82.1
  • Build Quality: 81.9
  • Productivity: 70.4
  • Customizability: 90
  • Portability: 74.7
Name
Keychron K1 Ultra
Name
Keychron K3 V3
Release year
2026
Release year
2024
Switch Options
Linear, Tactile, Clicky
Switch Options
Linear, Tactile, Clicky
Profile
Low Profile
Profile
Low Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
80%
Layout Size
75%
Layout Standard
ANSI
Layout Standard
ANSI, ISO, ISO-UK, ISO-DE, ISO-SW, ISO-Nordic
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, Wired, Wireless
Polling Rate
8000 Hz
Polling Rate
1000 Hz
Battery capacity
2600 mAh
Battery capacity
1550 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
Top Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, White, North-face
Backlight
 
Rgb, White, North-face
Case Colors
Case Colors
Case Material
Aluminum, Wood, ABS
Case Material
ABS, Aluminum
Keycaps Material
PBT
Keycaps Material
PBT, ABS
Dimensions
20 x 359 x 128 mm
Dimensions
19 x 306 x 116 mm
Weight
628.9g
Weight
540g
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