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Compare Keychron K3 Max vs Yunzii B75 Pro Coffee Differences Side by Side

Explore the comprehensive side-by-side comparison of the Keychron K3 Max and Yunzii B75 Pro Coffee 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.

94
Keychron K3 Max QMK/VIA Wireless Custom Mechanical Keyboard ISO Layout Collection
72
YUNZII B75 Pro Coffee Brown Wireless Mechanical Keyboard

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4.7 (8)
0.0 (0)
  • Released in 2023
  • Has Tactile, Linear, Clicky switch options
  • Features a low-profile design
  • Built with the ISO, ISO-UK, ISO-DE, ISO-Nordic, ISO-SW, ANSI layout standard
  • Supports QMK firmware
  • Supports VIA configuration
  • Includes screw-in stabilizers
  • Uses a Plate Mount mounting style
  • Runs at a 1000 Hz polling rate
  • Equipped with a 1550 mAh battery
  • Weighs about 580 g
  • Sized at 22 x 306 x 116 mm
  • Made with a ABS, Aluminum, Wood, Plastic case
  • Features PBT, ABS keycaps
  • Offers Yes, Rgb, White, North-face, Rgb North-face, White North-face RGB lighting
  • Released in 2026
  • Has Tactile, Linear switch options
  • Built with the ANSI layout standard
  • Comes with a knob
  • Uses a Gasket Mount mounting style
  • Equipped with a 4000 mAh battery
  • Weighs about 907 g
  • Sized at 42 x 334 x 144 mm
  • Features PBT keycaps
  • Offers Yes, Rgb, South-face, Rgb South-face RGB lighting
Scores
  • Performance: 80.8
  • Build Quality: 86.4
  • Productivity: 94.3
  • Customizability: 92.2
  • Portability: 77.1
Scores
  • Performance: 78.5
  • Build Quality: 63.1
  • Productivity: 83.5
  • Customizability: 73.4
  • Portability: 80.3
Name
Keychron K3 Max
Name
Yunzii B75 Pro Coffee
Release year
2023
Release year
2026
Switch Options
Tactile, Linear, Clicky
Switch Options
Tactile, Linear
Profile
Low Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
75%
Layout Size
75%
Layout Standard
ISO, ISO-UK, ISO-DE, ISO-Nordic, ISO-SW, 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, 2.4 GHz, Wired, Wireless
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate
1000 Hz
Polling Rate
-
Battery capacity
1550 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
Plate Mount
Mount Style
Gasket Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, White, North-face
Backlight
 
Rgb, South-face
Case Colors
Case Colors
Case Material
ABS, Aluminum, Wood, Plastic
Case Material
-
Keycaps Material
PBT, ABS
Keycaps Material
PBT
Dimensions
22 x 306 x 116 mm
Dimensions
42 x 334 x 144 mm
Weight
580g
Weight
907g
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