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Compare Royal Kludge RK84 Pro vs Yunzii B75 Pro Differences Side by Side

This comparison is for buyers deciding between two popular 75% wireless mechanical keyboards in a similar price range. The choice is difficult because both offer triple-mode connectivity and hot-swappable switches, but they diverge significantly in their core construction and feature set. The RK84 Pro emphasizes a durable aluminum frame, while the B75 Pro focuses on a softer, more customizable typing experience with a gasket mount and a control knob.

64
RK84 Pro 75% Wireless Mechanical Keyboard
75
YUNZII B75 Pro Wireless Mechanical Keyboard - ISO Layout - Image: 5

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  • Released in 2021
  • Has Clicky, Tactile, Linear switch options
  • Built with the ANSI layout standard
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Equipped with a 3750 mAh battery
  • Weighs about 1290 g
  • Sized at 41 x 125 x 315 mm
  • Made with a Aluminum case
  • Features ABS keycaps
  • Offers Yes, Rgb RGB lighting
  • Released in 2024
  • Has Linear, Clicky, Tactile switch options
  • Built with the ISO, ANSI, Dvorak layout standard
  • Comes with a knob
  • Features N-key rollover
  • 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: 61.6
  • Build Quality: 57.8
  • Productivity: 66.2
  • Customizability: 68.4
  • Portability: 80.9
Scores
  • Performance: 74.9
  • Build Quality: 60.8
  • Productivity: 91.3
  • Customizability: 79
  • Portability: 80.7
Name
Royal Kludge RK84 Pro
Name
Yunzii B75 Pro
Release year
2021
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
75%
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, 2.4 GHz, Wired, Wireless
Connection
Bluetooth, 2.4 GHz, Wired, Wireless,
Polling Rate
-
Polling Rate
4000 Hz
Battery capacity
3750 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
-
Mount Style
Gasket Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb
Backlight
 
Rgb, South-face
Case Colors
Case Colors
Case Material
Aluminum
Case Material
Plastic
Keycaps Material
ABS
Keycaps Material
PBT, PC
Dimensions
41 x 125 x 315 mm
Dimensions
42 x 334 x 144 mm
Weight
1290g
Weight
937g
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Pros and Trade-offs

For most users, the Yunzii B75 Pro is the more compelling package, offering modern features like a gasket mount, control knob, and PBT keycaps that enhance the daily typing and gaming experience. Choose the Royal Kludge RK84 Pro if your priority is the unmistakable heft and feel of an aluminum chassis and you can find it at a notably lower price point, accepting the trade-offs in keycap material and lack of a knob.

Royal Kludge RK84 Pro

  • +Constructed with a solid aluminum CNC case for a premium, rigid feel.
  • +Includes multimedia keys for quick media control.
  • +Comes with a full accessory kit including a keycap/switch puller and four replacement switches.
  • +Vendor description claims support for a wide range of operating systems including older Windows versions, iOS, and Android.
  • −Uses ABS double-shot keycaps, which are more prone to shine over time compared to PBT.
  • −No dedicated control knob is included.
  • −The vendor description includes customer reviews citing poor wireless connectivity performance.

Yunzii B75 Pro

  • +Features a gasket mount structure with sound dampening for a potentially softer, more cushioned typing feel.
  • +Includes a multifunctional control knob for adjusting volume and RGB lighting.
  • +Uses double-shot PBT Cherry profile keycaps for better durability and texture.
  • +Specifications list a 4000 Hz polling rate and N-key rollover.
  • −Lacks the aluminum case construction of the RK84 Pro.
  • −The vendor description notes some color and switch variants are frequently sold out.
  • −Slightly larger footprint in one dimension compared to the RK84 Pro.

Which Keyboard Is Better for Your Needs?

The Yunzii B75 Pro wins in most categories due to its feature-rich design, including a control knob, gasket mount, and PBT keycaps. It is the stronger choice for gaming, office work, programming, and content creation where these features add tangible value. The RK84 Pro's primary advantage is its substantial aluminum build, which may appeal to users prioritizing a rigid, premium-feeling case, especially for travel where its weight adds stability. For modders, the B75 Pro's gasket mount and screw-in stabilizers offer a more enticing starting point.

GamingYunzii B75 Pro
  • •The Yunzii B75 Pro lists a 4000 Hz polling rate, which the RK84 Pro's specifications do not mention.
  • •The B75 Pro includes N-key rollover, a feature not specified for the RK84 Pro.
  • •Both offer hot-swappable switches for customizing actuation.
OfficeYunzii B75 Pro
  • •The Yunzii B75 Pro includes a multifunctional knob for quick volume and lighting adjustments.
  • •Its PBT keycaps are more resistant to shine and wear compared to the RK84 Pro's ABS keycaps.
  • •Both support Bluetooth and 2.4 GHz wireless for a clean desk setup.
ProgrammingYunzii B75 Pro
  • •The Yunzii B75 Pro's gasket mount and sound dampening may provide a quieter, more comfortable typing experience for long sessions.
  • •It offers ISO layout support in addition to ANSI, providing more keycap compatibility options.
  • •Both have a 75% layout that retains arrow and function keys.
TravelRoyal Kludge RK84 Pro
  • •The Royal Kludge RK84 Pro is significantly heavier at 1290g, which can indicate a more stable, less slide-prone base on different surfaces.
  • •Its listed dimensions are slightly more compact in depth (125mm vs 144mm for the B75 Pro).
  • •Both have similar battery capacities and wireless functionality.
ModdingYunzii B75 Pro
  • •The Yunzii B75 Pro features a gasket mount design, which is a popular modding platform for tuning flex and sound.
  • •It comes with screw-in stabilizers, which are generally preferred over clip-in for modding stability.
  • •Both keyboards have hot-swappable PCBs compatible with 3-pin and 5-pin switches.
Content CreationYunzii B75 Pro
  • •The Yunzii B75 Pro's dedicated knob offers tactile control for scrubbing timelines or adjusting brush sizes.
  • •South-facing RGB LEDs ensure compatibility with Cherry-profile keycaps for a consistent look.
  • •Programmable software allows for macro creation, a feature mentioned for both boards.

Frequently Asked Questions (FAQ)

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