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Compare Keychron K5 Pro vs Yunzii IF99 Differences Side by Side

Explore the comprehensive side-by-side comparison of the Keychron K5 Pro and Yunzii IF99 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.

87
Keychron K5 Pro QMK/VIA Wireless Custom Mechanical Keyboard (US ANSI Layout) - Image: 3
86
YUNZII IF99 QMK/VIA Full Size LCD Mechanical Keyboard

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4.8 (8)
0.0 (0)
  • Released in 2023
  • Has Linear, Tactile, Clicky switch options
  • Features a low-profile design
  • Available in a 100% layout
  • Built with the ISO, ISO-DE, ISO-Nordic, ISO-UK, JIS, ISO-SW, ISO-FR, ISO-ES, ANSI layout standard
  • Includes a No display
  • Provides dedicated media keys
  • Uses a Tray Mount mounting style
  • Supports Bluetooth, Wired, Wireless connectivity
  • Equipped with a 2000 mAh battery
  • Weighs about 720 g
  • Sized at 18 x 120 x 435 mm
  • Made with a Aluminum, Plastic, ABS case
  • Features ABS, PBT keycaps
  • Offers Yes, Rgb, North-face, Rgb North-face, White, White North-face RGB lighting
  • Released in 2025
  • Has Linear switch options
  • Available in a 95% layout
  • Built with the ANSI layout standard
  • Includes a Yes display
  • Has built-in sound dampening
  • Uses a Gasket Mount mounting style
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Equipped with a 8000 mAh battery
  • Weighs about 1238.5 g
  • Sized at 46 x 385 x 143 mm
  • Features PBT keycaps
  • Offers Yes, Rgb, South-face, Rgb South-face RGB lighting
Scores
  • Performance: 80.7
  • Build Quality: 79.5
  • Productivity: 79.5
  • Customizability: 88.7
  • Portability: 53.2
Scores
  • Performance: 82
  • Build Quality: 79.9
  • Productivity: 89
  • Customizability: 89.5
  • Portability: 63.3
Name
Keychron K5 Pro
Name
Yunzii IF99
Release year
2023
Release year
2025
Switch Options
Linear, Tactile, Clicky
Switch Options
Linear
Profile
Low Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
100%
Layout Size
95%
Layout Standard
ISO, ISO-DE, ISO-Nordic, ISO-UK, JIS, ISO-SW, ISO-FR, ISO-ES, 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
Bluetooth, Wired, Wireless
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate
1000 Hz
Polling Rate
1000 Hz
Battery capacity
2000 mAh
Battery capacity
8000 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
Tray Mount
Mount Style
Gasket Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, North-face, White
Backlight
 
Rgb, South-face
Case Colors
Case Colors
Case Material
Aluminum, Plastic, ABS
Case Material
-
Keycaps Material
ABS, PBT
Keycaps Material
PBT
Dimensions
18 x 120 x 435 mm
Dimensions
46 x 385 x 143 mm
Weight
720g
Weight
1238.5g
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