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Compare Keychron V1 Max vs Yunzii B75 Pro Differences Side by Side

This comparison is for buyers deciding between two popular 75% wireless mechanical keyboards. The Keychron V1 Max and Yunzii B75 Pro both offer gasket mounts, hot-swappable sockets, and tri-mode connectivity, making the choice difficult. The decision hinges on whether you prioritize extensive firmware programmability and international layout support, or a higher specified polling rate and a lower cost.

98
Keychron V1 Max QMK Wireless Custom Mechanical Keyboard ISO Layout Collection
75
YUNZII B75 Pro Wireless Mechanical Keyboard - ISO Layout

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4.3 (32)
0.0 (0)
  • Released in 2023
  • Has Tactile, Linear, Clicky switch options
  • Built with the ISO-DE, ISO-UK, ISO-Nordic, ISO-SW, ISO-ES, ISO-FR, ISO-IT, ISO-PT, ISO, ANSI layout standard
  • Supports QMK firmware
  • Supports VIA configuration
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Runs at a 1000 Hz polling rate
  • Weighs about 770 g
  • Sized at 22 x 149 x 329 mm
  • Made with a ABS, Plastic case
  • Features PBT, ABS keycaps
  • Released in 2024
  • Has Linear, Clicky, Tactile switch options
  • Built with the ISO, ANSI, Dvorak layout standard
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless, connectivity
  • Runs at a 4000 Hz polling rate
  • Weighs about 937 g
  • Sized at 42 x 334 x 144 mm
  • Made with a Plastic case
  • Features PBT, PC keycaps
Scores
  • Performance: 83.2
  • Build Quality: 86.3
  • Productivity: 97.3
  • Customizability: 99.4
  • Portability: 79.2
Scores
  • Performance: 75
  • Build Quality: 60.8
  • Productivity: 91.2
  • Customizability: 78.9
  • Portability: 80.5
Name
Keychron V1 Max
Name
Yunzii B75 Pro
Release year
2023
Release year
2024
Switch Options
Tactile, Linear, Clicky
Switch Options
Linear, Clicky, Tactile
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
75%
Layout Size
75%
Layout Standard
ISO-DE, ISO-UK, ISO-Nordic, ISO-SW, ISO-ES, ISO-FR, ISO-IT, ISO-PT, ISO, 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, 2.4 GHz, Wired, Wireless
Connection
Bluetooth, 2.4 GHz, Wired, Wireless,
Polling Rate
1000 Hz
Polling Rate
4000 Hz
Battery capacity
4000 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
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
ABS, Plastic
Case Material
Plastic
Keycaps Material
PBT, ABS
Keycaps Material
PBT, PC
Dimensions
22 x 149 x 329 mm
Dimensions
42 x 334 x 144 mm
Weight
770g
Weight
937g
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Pros and Trade-offs

Your priority dictates the choice. For a keyboard you can program deeply, modify extensively, and use with regional layouts, the Keychron V1 Max is the superior tool despite its cost. If your main concern is a budget-friendly keyboard with a high polling rate for gaming and you don't need advanced software, the Yunzii B75 Pro delivers solid core features. Consider how much you value firmware customization versus upfront savings.

Keychron V1 Max

  • +Extensive firmware customization with QMK and VIA support.
  • +Wide compatibility with numerous ISO layouts for international users.
  • +Available as a barebones DIY kit for custom builds.
  • +Includes dedicated keycap sets for both macOS and Windows.
  • +Features a polycarbonate plate and screw-in stabilizers.
  • −Has a lower 1000 Hz polling rate compared to the B75 Pro's 4000 Hz.
  • −The ABS plastic case may feel less premium to some users.
  • −Tends to be more expensive than the Yunzii B75 Pro.

Yunzii B75 Pro

  • +Advertises a higher 4000 Hz polling rate for potentially lower latency.
  • +Generally available at a more affordable price point.
  • +Includes double-shot PBT Cherry profile keycaps.
  • +Vendor description mentions a 5-layer padding for sound dampening.
  • −Lacks advanced firmware programmability like QMK or VIA support.
  • −Offers only basic ANSI and ISO layout support, not the specific regional variants.
  • −No barebones kit option is mentioned, limiting build-from-scratch appeal.
  • −Heavier weight of 937g compared to the V1 Max.

Which Keyboard Is Better for Your Needs?

The Keychron V1 Max is the clear choice for programmers and office users who need firmware flexibility or specific international layouts. The Yunzii B75 Pro has an edge for gaming due to its higher advertised polling rate. For modders, the V1 Max's open-source support and barebones availability are significant advantages. Travel and content creation needs are served equally well by both, with minor trade-offs in weight and identical core multimedia features.

GamingYunzii B75 Pro
  • •The Yunzii B75 Pro lists a 4000 Hz polling rate, which is higher than the V1 Max's 1000 Hz.
  • •Both keyboards feature N-key rollover for simultaneous key presses.
OfficeKeychron V1 Max
  • •The Keychron V1 Max supports a wide range of ISO layouts (DE, UK, Nordic, ES, FR, IT, PT) for international users.
  • •Its vendor description highlights dedicated Mac and Windows keycaps and a system toggle.
  • •Both have wireless connectivity and a 4000mAh battery for a clutter-free desk.
ProgrammingKeychron V1 Max
  • •The Keychron V1 Max offers QMK and VIA support for deep key remapping and macro programming.
  • •Its open-source firmware, as stated by Keychron, allows for community-reviewed code and extensive customization.
  • •The 75% layout on both boards retains arrow and function keys useful for coding.
TravelTie
  • •Both keyboards share a compact 75% form factor.
  • •They have identical 4000mAh battery capacities for wireless use.
  • •The V1 Max is lighter at 770g, while the B75 Pro is heavier at 937g.
ModdingKeychron V1 Max
  • •The Keychron V1 Max explicitly supports QMK/VIA and is sold as a DIY barebones kit.
  • •Its product page details compatibility with both 3-pin and 5-pin MX switches and third-party screw-in stabilizers.
  • •It features a polycarbonate plate and sound dampening foam, which are common modding starting points.
Content CreationTie
  • •Both keyboards include a multi-function knob for media control.
  • •They feature south-facing RGB lighting, which avoids interference with Cherry-profile keycaps.
  • •Hot-swappable sockets on both allow for switch changes to tailor typing feel for long sessions.

Frequently Asked Questions (FAQ)

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