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  1. Home
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  3. Compare

ROYAL KLUDGE RK61 vs AULA F99/F75

Which Keyboard Is Better?

    Top
    Main Differences
    Design
      DimensionsBuild QualityErgonomicsHardware CustomizabilityBacklight FeaturesBacklight ClarityCable & ConnectorWireless VersatilityMacro Keys And ProgrammingExtra FeaturesIn The Box
    Typing Experience
      Typing QualityTyping NoiseKeystrokesAdjustable Input GranularitySwitches
    Performance
      Single-Key LatencyMulti-Key LatencyData TransmissionChord Split
    Software and Operating System
      Configuration SoftwareComputer CompatibilityWireless Mobile Compatibility
    Comments

Products

ROYAL KLUDGE RK61
AULA F99/F75

Tested using Methodology v1.4.3

Updated Jan 14, 2026 05:44 PM

SEE PRICE
Amazon.com

Tested using Methodology v1.4.3

Updated Feb 05, 2026 02:13 PM

SEE PRICE
Amazon.com
ROYAL KLUDGE RK61 Picture

Track

AULA F99/F75 Picture

Track

ConnectivityWireless
Size
Compact (60%)
Switch Type
Mechanical
Output Type
Non-Adjustable
Hot-Swappable Switches
Yes
ConnectivityWireless
Size
Compact (96%)
Switch Type
Mechanical
Output Type
Non-Adjustable
Hot-Swappable Switches
Yes
  1. Recommended in 4 articles:
  2. Mechanical
  3. Programming
  4. Budget Mechanical
  5. 1
  1. Recommended in 5 articles:
  2. Keyboards
  3. Mechanical
  4. Typing
  5. 2

Our Verdict

ROYAL KLUDGE RK61

AULA F99/F75

Both the ROYAL KLUDGE RK61 and the AULA F75 are entry-level wireless mechanical keyboards. The Royal Kludge (RK) has a slightly smaller 60% form factor and feels marginally better built. On the other hand, the AULA has a larger compact (75%) form factor with dedicated arrow keys and a function row. It also has a volume knob which the RK lacks. Unfortunately, it feels a bit cheaper overall, and the buying experience is a lot more confusing, with inconsistent documentation and some uncertainty about which components you'll receive. It also has a significantly better typing experience with a very soft gasket mount and extremely smooth pre-lubed switches and stabilizers.

0 

Variants

  • RK61 (Black)
  • RK61 (White)
  • F99 Pro (Black/Yellow)
  • F99 Pro (Blue)

Review

See ROYAL KLUDGE RK61 Review
See AULA F99/F75 Review
5 
5 

Check Price

Black
RK61
SEE PRICE
Amazon.com
Black/Yellow
F99 Pro
SEE PRICE
Amazon.com
White
RK61
SEE PRICE
Amazon.com
Blue
F99 Pro
SEE PRICE
Amazon.com
 
Blue/White/Black
F99
SEE PRICE
Amazon.com
 
Gradient Blue
F75 Pro
SEE PRICE
Amazon.com
 
Gradient Purple
F75 Pro
SEE PRICE
Amazon.com
 
Salt/White/Blue
F75
SEE PRICE
Amazon.com

Main Differences for
Gaming

Threshold 

0.10

Gaming 
 

0.0
0.0
JOIN NOW  to see main differences

Full Comparison

Design

Dimensions 
 

Top Picture  

ROYAL KLUDGE RK61 Top Picture Sample

SAMPLE

JOIN NOW

for pictures & test results

AULA F99/F75 Top Picture Sample

SAMPLE

JOIN NOW

for pictures & test results

Size 
 

Locked
Locked

Height 
 

Lock" (Lock cm)
Lock" (Lock cm)

Width  

Lock" (Lock cm)
Lock" (Lock cm)

Depth 
 

Lock" (Lock cm)
Lock" (Lock cm)

Depth With Wrist Rest 
 

N/A
N/A

Weight 
 

Lock lbs (Lock kg)
Lock lbs (Lock kg)
Show Text 

Build Quality 
 

N/A
N/A

Build Quality Close Up  

ROYAL KLUDGE RK61 Build Quality Close Up Sample

SAMPLE

JOIN NOW

for pictures & test results

AULA F99/F75 Build Quality Close Up Sample

SAMPLE

JOIN NOW

for pictures & test results

Underside Picture   

ROYAL KLUDGE RK61 Underside Picture Sample

SAMPLE

JOIN NOW

for pictures & test results

AULA F99/F75 Underside Picture Sample

SAMPLE

JOIN NOW

for pictures & test results

Keycap Material  

Locked
Locked
Show Text 

Ergonomics 
 

N/A
N/A

Side Picture  

ROYAL KLUDGE RK61 Side Picture Sample

SAMPLE

JOIN NOW

for pictures & test results

AULA F99/F75 Side Picture Sample

SAMPLE

JOIN NOW

for pictures & test results

Curved/Angled 
 

Locked
Locked

Split Keyboard 
 

Locked
Locked

Key Alignment 
 

Locked
Locked

Minimum Incline 
 

Lock°
Lock°

Medium Incline 
 

N/A
Lock°

Maximum Incline 
 

N/A
Lock°

Home Row Height 
 

Lock mm (Lock")
Lock mm (Lock")
Show Text 

Hardware Customizability 
 

N/A
N/A

Customizability Overview  

ROYAL KLUDGE RK61 Customizability Overview Sample

SAMPLE

JOIN NOW

for pictures & test results

AULA F99/F75 Customizability Overview Sample

SAMPLE

JOIN NOW

for pictures & test results

Replaceable Cherry Stabilizers 
 

Locked
Locked

Stabilizer Fixation 
 

Locked
Locked

Spacebar Stabilizer Size 
 

Locked
Locked

Size Of Right Mod Keys 
 

Locked
Locked

Hot-Swappable Switches 
 

Locked
Locked

Switch Stem Shape 
 

Locked
Locked

Mechanical Switch Compatibility 
 

Locked
Locked

Magnetic Switch Compatibility 
 

Locked
Locked

North-Facing Cherry MX Interference 
 

Locked
Locked
Show Text 

Backlight Features 
 

N/A
N/A

Backlighting Picture  

ROYAL KLUDGE RK61 Backlighting Picture Sample

SAMPLE

JOIN NOW

for pictures & test results

AULA F99/F75 Backlighting Picture Sample

SAMPLE

JOIN NOW

for pictures & test results

Brightness Max  

ROYAL KLUDGE RK61 Brightness Max Sample

SAMPLE

JOIN NOW

for pictures & test results

AULA F99/F75 Brightness Max Sample

SAMPLE

JOIN NOW

for pictures & test results

Backlighting  

Locked
Locked

Brightness Min  

ROYAL KLUDGE RK61 Brightness Min Sample

SAMPLE

JOIN NOW

for pictures & test results

AULA F99/F75 Brightness Min Sample

SAMPLE

JOIN NOW

for pictures & test results

RGB 
 

Locked
Locked

Per-Key Backlighting 
 

Locked
Locked

Effects 
 

Locked
Locked

Software Controllable 
 

Locked
Locked
Show Text 

Backlight Clarity 
 

N/A
N/A

White Shot  

ROYAL KLUDGE RK61 White Shot Sample

SAMPLE

JOIN NOW

for pictures & test results

AULA F99/F75 White Shot Sample

SAMPLE

JOIN NOW

for pictures & test results

Show Text 

Cable & Connector  

Connectivity  

Locked
Locked

Detachable 
 

Locked
Locked

Length  

Lock ft (Lock m)
Lock ft (Lock m)

Connector (Keyboard side) 
 

Locked
Locked
Show Text 

Wireless Versatility 
 

N/A
N/A

Bluetooth 
 

Locked
Locked

Bluetooth Multi-Device Pairing 
 

Locked
Locked

Proprietary Receiver 
 

Locked
Locked

Battery Type 
 

Locked
Locked
Show Text 

Macro Keys And Programming 
 

N/A
N/A

Dedicated Macro Keys Count  

Lock
Lock

Onboard Macro Programming 
 

Locked
Locked

Macro Programming With Software 
 

Locked
Locked
Show Text 

Extra Features 
 

Extra Features  

ROYAL KLUDGE RK61 Extra Features Sample

SAMPLE

JOIN NOW

for pictures & test results

AULA F99/F75 Extra Features Sample

SAMPLE

JOIN NOW

for pictures & test results

Media Keys 
 

Locked
Locked

Trackpad / Trackball  

Locked
Locked

Scroll Wheel 
 

Locked
Locked

Control Knob 
 

Locked
Locked

USB Passthrough 
 

Locked
Locked

Numpad  

Locked
Locked

Windows Key Lock 
 

Locked
Locked

Lock Indicator  

Locked
Locked
Show Text 

In The Box  

Bundle Picture  

ROYAL KLUDGE RK61 Bundle Picture Sample

SAMPLE

JOIN NOW

for pictures & test results

AULA F99/F75 Bundle Picture Sample

SAMPLE

JOIN NOW

for pictures & test results

Show Text 
Typing Experience

Typing Quality 
 

N/A
N/A

Key Spacing 
 

Lock mm (Lock")
Lock mm (Lock")
Show Text 

Typing Noise 
 

N/A
N/A

Typing Sample  

ROYAL KLUDGE RK61 Typing Sample Sample

SAMPLE

JOIN NOW

for videos & test results

AULA F99/F75 Typing Sample Sample

SAMPLE

JOIN NOW

for videos & test results

Average Loudness 
 

Lock dBA
Lock dBA

High Pitch Clicks 
 

Locked
Locked
Show Text 

Keystrokes 
 

Key Switch Actuation Graph  

ROYAL KLUDGE RK61 Key Switch Actuation Graph Sample

SAMPLE

JOIN NOW

for pictures & test results

AULA F99/F75 Key Switch Actuation Graph Sample

SAMPLE

JOIN NOW

for pictures & test results

Initial Force 
 

Lock gf
Lock gf

Peak Tactile Force 
 

Lock gf
N/A

Actuation Force 
 

Lock gf
Lock gf

Bottom-Out Force 
 

Lock gf
Lock gf

Pre-Travel Distance 
 

Lock mm
Lock mm

Total Travel Distance 
 

Lock mm
Lock mm
Show Text 

Adjustable Input Granularity 
 

N/A
N/A

Input Linearity Graph  

ROYAL KLUDGE RK61 Input Linearity Graph Sample

SAMPLE

JOIN NOW

for pictures & test results

AULA F99/F75 Input Linearity Graph Sample

SAMPLE

JOIN NOW

for pictures & test results

Analog Output Graph  

ROYAL KLUDGE RK61 Analog Output Graph Sample

SAMPLE

JOIN NOW

for pictures & test results

AULA F99/F75 Analog Output Graph Sample

SAMPLE

JOIN NOW

for pictures & test results

Top Deadzone 
 

N/A
N/A

Bottom Deadzone 
 

N/A
N/A

Detection Ratio 
 

N/A
N/A

Minimum Step Depth 
 

N/A
N/A

Switches 
 

Wobble Video  

ROYAL KLUDGE RK61 Wobble Video Sample

SAMPLE

JOIN NOW

for videos & test results

AULA F99/F75 Wobble Video Sample

SAMPLE

JOIN NOW

for videos & test results

Switch Name 
 

Locked
Locked

Switch Type 
 

Locked
Locked

Feel 
 

Locked
Locked

Output Type 
 

Locked
Locked
Show Text 
Performance

Single-Key Latency 
 

N/A
N/A

Single-Key Latency Graph  

ROYAL KLUDGE RK61 Single-Key Latency Graph Sample

SAMPLE

JOIN NOW

for pictures & test results

AULA F99/F75 Single-Key Latency Graph Sample

SAMPLE

JOIN NOW

for pictures & test results

Best Connection 
 

Lock ms
Lock ms

Best Connection Std Dev  

±Lock ms
±Lock ms

Wired 
 

Lock ms
Lock ms

Receiver 
 

N/A
Lock ms

Bluetooth 
 

Lock ms
Lock ms

PCB (Estimated) 
 

Lock ms
Lock ms
Show Text 

Multi-Key Latency 
 

N/A
N/A

Multi-Key Latency Graph  

ROYAL KLUDGE RK61 Multi-Key Latency Graph Sample

SAMPLE

JOIN NOW

for pictures & test results

AULA F99/F75 Multi-Key Latency Graph Sample

SAMPLE

JOIN NOW

for pictures & test results

Connection Evaluated  

Locked
Locked

Key Press 
 

Lock ms
Lock ms
Show Text 

Data Transmission 
 

N/A
N/A

Multi-Key Raw USB  

ROYAL KLUDGE RK61 Multi-Key Raw USB Sample

SAMPLE

JOIN NOW

for pictures & test results

AULA F99/F75 Multi-Key Raw USB Sample

SAMPLE

JOIN NOW

for pictures & test results

Connection Evaluated  

Locked
Locked

USB Polling Rate 
 

Lock Hz
Lock Hz

Effective Update Rate 
 

Lock Hz
Lock Hz

N-Key Rollover (NKRO) 
 

Locked
Locked

Multiple Keys Per USB Report 
 

Locked
Locked
Show Text 

Chord Split 
 

N/A
N/A

Chord Split Graph  

ROYAL KLUDGE RK61 Chord Split Graph Sample

SAMPLE

JOIN NOW

for pictures & test results

AULA F99/F75 Chord Split Graph Sample

SAMPLE

JOIN NOW

for pictures & test results

4 Chord Split Delay 
 

Lock ms
Lock ms

8 Chord Split Delay 
 

Lock ms
Lock ms
Show Text 
Software and Operating System

Configuration Software 
 

Software Tour  

ROYAL KLUDGE RK61 Software Tour Sample

SAMPLE

JOIN NOW

for videos & test results

AULA F99/F75 Software Tour Sample

SAMPLE

JOIN NOW

for videos & test results

Software Name  

Locked
Locked

Software Windows Compatible 
 

Locked
Locked

Software macOS Compatible 
 

Locked
Locked

Onboard Memory 
 

Locked
Locked

Profiles 
 

Locked
Locked
Show Text 

Computer Compatibility 
 

N/A
N/A

Windows 
 

Locked
Locked

macOS 
 

Locked
Locked

Linux 
 

Locked
Locked

Media Key Compatibility 
 

Locked
Locked
Show Text 

Wireless Mobile Compatibility 
 

N/A
N/A

Android 
 

Locked
Locked

iOS 
 

Locked
Locked

iPadOS 
 

Locked
Locked

Media Key Compatibility 
 

Locked
Locked
Show Text 

Check Price

Black
RK61
SEE PRICE
Amazon.com
Black/Yellow
F99 Pro
SEE PRICE
Amazon.com
White
RK61
SEE PRICE
Amazon.com
Blue
F99 Pro
SEE PRICE
Amazon.com
 
Blue/White/Black
F99
SEE PRICE
Amazon.com
 
Gradient Blue
F75 Pro
SEE PRICE
Amazon.com
 
Gradient Purple
F75 Pro
SEE PRICE
Amazon.com
 
Salt/White/Blue
F75
SEE PRICE
Amazon.com
Back to Top

ROYAL KLUDGE RK61

AULA F99/F75

Comments

  1. Comparison
 • Posted 1 year ago

ROYAL KLUDGE RK61 vs AULA F99/F75: Main Discussion

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