Not sure which keyboard to choose? Try the Keyboard Finder now!

Head to head · Prices checked Nov 10, 2026

Royal Kludge R75 vs Yunzii B75 ProSoftware vs Switch Choice

Choose the Royal Kludge R75 for deep firmware customization with QMK/VIA, or the Yunzii B75 Pro for a wider selection of pre-installed switch types and a higher polling rate.

KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

Quick verdict

Which one should you get?

Get the

Royal Kludge R75

Software

Build quality in the top 20% of 75% boards under $100.

If you want

  • Supports QMK and VIA firmware for advanced key remapping and macros.
  • Lighter weight (680g) for better portability.
  • Detailed 5-layer sound dampening with poron cotton, IXPE foam, and sponge case foam.

Rules this board out

  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.

Get the

Yunzii B75 Pro

Switch Choice

Build quality in the top 35% of 75% boards under $100.

If you want

  • Offers a choice of clicky, linear, or tactile switches pre-installed.
  • Lists a 4000 Hz polling rate for potential lower latency.
  • Features south-facing RGB LEDs and N-key rollover.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.

Bottom line

Your priority should guide your choice. For a customizable typing experience where you plan to tweak firmware, sounds, and macros, the Royal Kludge R75 is the more capable platform. If you want a gaming-ready spec sheet and the ability to choose your preferred switch type without immediately modding, the Yunzii B75 Pro is the straightforward pick. Consider the R75's weight advantage if you move your keyboard often.

What actually differs

The differences that matter

Skip the 40-row spec sheet. These are the specs that change how each board feels, sounds, and fits your desk.

Royal Kludge R75

Yunzii B75 Pro

  • Switch options

    Linear

    Clicky, Linear, Tactile

  • Weight

    680 g

    937 g

    Heavier boards stay planted and lighter ones travel

  • QMK

    Yes

    No

    The deep option when you want to remap every key

  • VIA

    Yes

    No

    GUI remapping without compiling firmware

  • Layout standard

    ANSI

    ANSI, Dvorak, ISO

    ISO and JIS exist so regional layouts fit

KeebFinder scores

How we score
  • Royal Kludge R75
  • Yunzii B75 Pro
Performance
71
85
Build quality
78
72
Productivity
93
91
Customizability
88
78
Portability
79
80

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Battery: 4,000 mAh
  • Mount style: Gasket Mount
  • Knob
See every spec side by side

Best for

What will you mostly use it for?

The Royal Kludge R75 wins in scenarios demanding software flexibility and portability, making it strong for programming, modding, and content creation. The Yunzii B75 Pro takes the lead for gaming due to its specified high polling rate and N-key rollover. For general office use and travel, the decision is closer, with the R75's lighter weight being a key differentiator for mobility.

For gaming

Pick the Yunzii B75 Pro

  • The Yunzii B75 Pro lists a 4000 Hz polling rate, which can offer lower latency.
  • It features N-key rollover for accurate simultaneous keypress registration.
  • Its south-facing RGB LEDs are less likely to interfere with Cherry-profile keycaps.

Full specs

Royal Kludge R75 vs Yunzii B75 Pro specs

Every tracked spec, side by side. Rows marked with a dot differ between the boards.

11 of 26 specs differ

Royal Kludge R75

Yunzii B75 Pro

Typing & switches

Switch options

Linear
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI, Dvorak, ISO

Ergonomics

Standard
Standard

Knob

Yes
Yes

Display

None
None

Media keys

No
Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

—
4,000 Hz

Battery

4,000 mAh
4,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

—
Plastic

Plate material

—
Aluminum

Keycaps

PBT
PBT, PC

Weight

680 g
937 g

Dimensions

42 x 323 x 42 mm
42 x 334 x 144 mm

Backlight

RGB
RGB, south-facing

Firmware & software

QMK

Yes
No

VIA

Yes
No

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2024
2024

For EU buyers

ISO layouts by store

Which stores sell ISO-DE, UK, and the other regional layouts.

Royal Kludge R75

No ISO layout at the stores we track.

Yunzii B75 Pro

  • Yunzii

    ISO

    In stockShips to you

Where to buy

Compare prices

Live prices from the stores we track, cheapest in-stock offer first.

Prices in USD are converted to your currency and can change at any time. KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

Lowest price across stores, Amazon excluded.

FAQ

Royal Kludge R75 vs Yunzii B75 Pro: your questions

The Royal Kludge R75 is superior for key customization because it supports both QMK and VIA firmware. These open-source platforms allow you to remap any key, create complex macros, and adjust layers directly through a web app or software, offering far more control than typical proprietary software.

Yes, the Yunzii B75 Pro is listed as compatible with both Mac and Windows operating systems. The Royal Kludge R75 also lists compatibility with Windows, MacOS, Linux, iOS, and Android, providing broad device support.

Yes, both keyboards are hot-swappable, allowing you to change switches without soldering. The R75's product page confirms compatibility with 3-pin and 5-pin switches. The B75 Pro's description also states its PCB is compatible with 3-pin or 5-pin switches.

The Royal Kludge R75 has a more detailed noise-dampening design according to its vendor description, featuring a 5-layer system with poron cotton, IXPE foam, and sponge case foam, plus silencer foam under the spacebar. The Yunzii B75 Pro mentions a 5-layer padding noise cancellation design but does not specify the materials.

Both the Royal Kludge R75 and the Yunzii B75 Pro are equipped with a 4000mAh battery. Actual battery life will depend on usage patterns, RGB brightness, and connection mode, but they have the same capacity for extended wireless use.

Yes, both the Royal Kludge R75 and the Yunzii B75 Pro include a multifunction volume knob. The R75 specifically mentions a CNC-machined aluminum knob, while the B75 Pro's knob can also adjust RGB backlighting.

The Royal Kludge R75 uses MDA profile double-shot PBT keycaps. The Yunzii B75 Pro uses double-shot PBT keycaps in the Cherry profile. These are different shapes that affect typing feel and finger positioning.

Only the Yunzii B75 Pro explicitly lists south-facing RGB LEDs in its specifications. South-facing LEDs improve compatibility with Cherry-profile keycaps and can reduce glare. The Royal Kludge R75's LED orientation is not specified.

The Royal Kludge R75 is significantly more portable. It weighs 680g compared to the Yunzii B75 Pro's 937g, and it has a much slimmer depth (42mm vs 144mm), making it easier to fit into a laptop bag or backpack.

The Yunzii B75 Pro offers a choice of pre-installed switches. According to the vendor page, options include YUNZII Milk Linear switches, Cocoa Cream V2 Linear switches, and Blue Grey Tactile switches, covering linear and tactile types.

The Royal Kludge R75 listing includes a keyboard, a USB-C cable, a keycap and switch puller, and a user manual. The specific accessories for the Yunzii B75 Pro are not detailed in the provided information.

The Yunzii B75 Pro includes screw-in stabilizers, which are generally considered more secure and rattle-free than clip-in stabilizers. The Royal Kludge R75 is listed as having pre-lubed stabilizers, but the mounting style is not specified.

Still torn?

Answer a few quick questions and the keyboard finder ranks 2,000+ boards by how you will actually use yours.