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Compare Firstblood B21 vs Yunzii B75 Pro Differences Side by Side

Explore the comprehensive side-by-side comparison of the Firstblood B21 and Yunzii B75 Pro 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.

FirstBlood B21 Retro Mechanical Keyboard with Cherry Switch
75
YUNZII B75 Pro Wireless Mechanical Keyboard - ISO Layout

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  • Has Clicky, Tactile, Linear switch options
  • Available in a 65% layout
  • Built with the ANSI layout standard
  • Supports Bluetooth, Wired, Wireless connectivity
  • Weighs about 818 g
  • Sized at 46 x 148 x 317 mm
  • Made with a Aluminum case
  • Features PBT keycaps
  • Offers Yes, White RGB lighting
  • Has Linear, Clicky, Tactile switch options
  • Supports hot-swappable switches
  • Available in a 75% layout
  • Built with the ISO, ANSI, Dvorak layout standard
  • Comes with a knob
  • Provides dedicated media keys
  • Includes screw-in stabilizers
  • Has built-in sound dampening
  • Uses a Gasket Mount mounting style
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless, connectivity
  • Runs at a 4000 Hz polling rate
  • Equipped with a 4000 mAh battery
  • Weighs about 937 g
  • Sized at 42 x 334 x 144 mm
  • Made with a Plastic case
  • Features PBT, PC keycaps
  • Offers Yes, Rgb, South-face, Rgb South-face RGB lighting
Scores
  • Performance: 56.4
  • Build Quality: 53.7
  • Productivity: 54.5
  • Customizability: 46.2
  • Portability: 83.1
Scores
  • Performance: 74.8
  • Build Quality: 60.8
  • Productivity: 91.5
  • Customizability: 79.2
  • Portability: 80.2
Name
Firstblood B21
Name
Yunzii B75 Pro
Release year
2024
Release year
2024
Switch Options
Clicky, Tactile, Linear
Switch Options
Linear, Clicky, Tactile
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
65%
Layout Size
75%
Layout Standard
ANSI
Layout Standard
ISO, ANSI, Dvorak
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
-
Polling Rate
4000 Hz
Battery capacity
-
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
-
Mount Style
Gasket Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
White
Backlight
 
Rgb, South-face
Case Colors
Case Colors
Case Material
Aluminum
Case Material
Plastic
Keycaps Material
PBT
Keycaps Material
PBT, PC
Dimensions
46 x 148 x 317 mm
Dimensions
42 x 334 x 144 mm
Weight
818g
Weight
937g
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