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Compare Yunzii B75 Pro vs L75 Differences Side by Side

This comparison is for buyers deciding between a fully-featured standard 75% keyboard and a sleek low-profile version. The B75 Pro brings a multi-function knob, 4000mAh battery, and a 4000Hz polling rate. The L75 offers a slim 25mm profile and lighter 825g weight for portability. The decision is hard because both share a 75% layout, gasket mount, hot-swap sockets, and tri-mode connectivity at a similar price point.

75
YUNZII B75 Pro Wireless Mechanical Keyboard - ISO Layout
61
YUNZII L75 Low Profile Wireless Mechanical Keyboard

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  • Has Linear, Clicky, Tactile switch options
  • Built with the ISO, ANSI, Dvorak layout standard
  • Comes with a knob
  • Provides dedicated media keys
  • Connects via USB-C
  • Includes screw-in stabilizers
  • 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
  • Has Linear switch options
  • Features a low-profile design
  • Built with the ANSI layout standard
  • Equipped with a 2200 mAh battery
  • Weighs about 825 g
  • Sized at 25 x 331 x 147 mm
  • Made with a Aluminum case
  • Features PBT keycaps
Scores
  • Performance: 74.9
  • Build Quality: 60.8
  • Productivity: 91.3
  • Customizability: 79
  • Portability: 80.7
Scores
  • Performance: 58.4
  • Build Quality: 58.3
  • Productivity: 66.4
  • Customizability: 61.5
  • Portability: 76.1
Name
Yunzii B75 Pro
Name
Yunzii L75
Release year
2024
Release year
2024
Switch Options
Linear, Clicky, Tactile
Switch Options
Linear
Profile
Normal Profile
Profile
Low Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
75%
Layout Size
75%
Layout Standard
ISO, ANSI, Dvorak
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
4000 Hz
Polling Rate
-
Battery capacity
4000 mAh
Battery capacity
2200 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
Gasket Mount
Mount Style
Gasket Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, South-face
Backlight
 
Rgb, South-face
Case Colors
Case Colors
Case Material
Plastic
Case Material
Aluminum
Keycaps Material
PBT, PC
Keycaps Material
PBT
Dimensions
42 x 334 x 144 mm
Dimensions
25 x 331 x 147 mm
Weight
937g
Weight
825g
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Pros and Trade-offs

The Yunzii B75 Pro is the more capable and versatile keyboard, offering greater value for most users with its knob, large battery, and high polling rate. Go with the L75 only if you specifically need an ultra-slim profile for travel or prefer a laptop-like typing angle. Both are well-built gasket mount options for the price.

Yunzii B75 Pro

  • +Large 4000mAh battery for extended use.
  • +4000Hz polling rate for responsive gaming.
  • +Multi-function knob for volume and RGB control.
  • +Aluminum plate for a stiffer typing feel.
  • +5-layer sound dampening included stock.
  • −Heavier at 937g compared to the L75.
  • −Thicker 42mm profile takes up more vertical space.

Yunzii L75

  • +Ultra-slim 25mm low-profile design.
  • +Lighter 825g weight improves portability.
  • +Three layers of acoustic padding for a quiet typing experience.
  • −Limited switch compatibility: only 3-pin low-profile switches fit.
  • −Smaller 2200mAh battery for less wireless time.
  • −No knob for quick control adjustments.
  • −Only available in a single linear switch (Outemu Low Red).

Which Keyboard Is Better for Your Needs?

The Yunzii B75 Pro wins in most use cases due to its standard height, knob, larger battery, and higher polling rate, making it the more versatile choice for gaming, office work, and modding. The L75 only takes the lead in portability thanks to its low 25mm height and lighter weight, suiting travelers who prioritize a slim profile. The B75 Pro is the clear default for anyone not specifically needing a low-profile keyboard.

GamingYunzii B75 Pro
  • •4000Hz polling rate for lower latency.
  • •4000mAh battery for long wireless sessions.
  • •Multi-function knob for quick volume and RGB control.
OfficeYunzii B75 Pro
  • •4000mAh battery lasts longer between charges.
  • •Knob for quick volume adjustments.
  • •Mac/Win support with programmable software.
ProgrammingYunzii B75 Pro
  • •Standard keycap profile (Cherry profile) is preferred for long typing sessions.
  • •More switch options, including tactile Blue Grey switches.
  • •Programmable keys and macro support.
TravelYunzii L75
  • •Slim 25mm low-profile design fits easily in bags.
  • •Lighter at 825g for easier carrying.
  • •2200mAh battery is adequate with backlight off.
ModdingYunzii B75 Pro
  • •Supports standard 3-pin and 5-pin switches.
  • •Aluminum plate offers a different feel.
  • •5-layer sound dampening for acoustic tuning.
Content CreationYunzii B75 Pro
  • •Knob for quick timeline scrubbing or volume control.
  • •4000mAh battery for all-day wireless editing.
  • •Full hot-swap support allows custom switch feel.

Frequently Asked Questions (FAQ)

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