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Compare Keychron K15 Max vs K2 Ultra Differences Side by Side

Explore the comprehensive side-by-side comparison of the Keychron K15 Max and Keychron K2 Ultra 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.

89
Keychron K15 Max (Alice Layout) QMK Wireless Custom Mechanical Keyboard
93
Keychron K2 Ultra 8K Wireless Custom Mechanical Keyboard ISO Layout Collection

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4.1 (14)
0.0 (0)
  • Released in 2024
  • Has Linear, Tactile, Clicky switch options
  • Features a low-profile design
  • Built with the ANSI layout standard
  • Offers Alice ergonomics
  • Uses a PCB Mount mounting style
  • Runs at a 1000 Hz polling rate
  • Equipped with a 2000 mAh battery
  • Weighs about 700 g
  • Sized at 29 x 370 x 143 mm
  • Made with a ABS, Aluminum case
  • Offers Yes, Rgb, White RGB lighting
  • Released in 2026
  • Has Tactile, Linear, Clicky switch options
  • Built with the ISO-ES, ISO-FR, ISO-IT, ISO, ANSI layout standard
  • Offers Normal ergonomics
  • Comes with a knob
  • Includes screw-in stabilizers
  • Uses a Gasket Mount mounting style
  • Runs at a 8000 Hz polling rate
  • Equipped with a 4000 mAh battery
  • Weighs about 1084 g
  • Sized at 31 x 312 x 122 mm
  • Made with a Aluminum, ABS case
  • Offers Yes, Rgb, White, South-face, Rgb South-face, White South-face RGB lighting
Scores
  • Performance: 81.2
  • Build Quality: 80
  • Productivity: 93.1
  • Customizability: 89.3
  • Portability: 79.3
Scores
  • Performance: 91.2
  • Build Quality: 86
  • Productivity: 97.6
  • Customizability: 95.1
  • Portability: 81.6
Name
Keychron K15 Max
Name
Keychron K2 Ultra
Release year
2024
Release year
2026
Switch Options
Linear, Tactile, Clicky
Switch Options
Tactile, Linear, Clicky
Profile
Low Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
75%
Layout Size
75%
Layout Standard
ANSI
Layout Standard
ISO-ES, ISO-FR, ISO-IT, ISO, ANSI
Layout Ergonomics
Alice
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
8000 Hz
Battery capacity
2000 mAh
Battery capacity
4000 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
PCB Mount
Mount Style
Gasket Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, White
Backlight
 
Rgb, White, South-face, White South-face
Case Colors
Case Colors
Case Material
ABS, Aluminum
Case Material
Aluminum, ABS
Keycaps Material
PBT
Keycaps Material
PBT
Dimensions
29 x 370 x 143 mm
Dimensions
31 x 312 x 122 mm
Weight
700g
Weight
1084g
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