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Compare Keychron C2 Pro vs Royal Kludge RK84 Differences Side by Side

This comparison is for buyers deciding between a high-performance wired keyboard and a versatile wireless compact model. The Keychron C2 Pro offers a full-size layout with premium features like an 8000Hz polling rate and QMK/VIA firmware, while the Royal Kludge RK84 provides a 75% layout with Bluetooth, 2.4GHz, and wired connectivity. The choice is difficult because both are hot-swappable and similarly priced, forcing a trade-off between raw input speed and wireless convenience.

91
Keychron C2 Pro 8K QMK Wired Custom Mechanical Keyboard ISO Layout Collection
63
RK84 75% Wired Mechanical Keyboard

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4.8 (11)
0.0 (0)
  • Released in 2023
  • Has Tactile, Linear, Clicky switch options
  • Available in a 100% layout
  • Built with the ISO-DE, ISO-ES, ISO-FR, ISO, ANSI layout standard
  • Supports QMK firmware
  • Supports VIA configuration
  • Features N-key rollover
  • Includes screw-in stabilizers
  • Uses a Tray Mount mounting style
  • Supports Wired, Wired only connectivity
  • Runs at a 8000 Hz polling rate
  • Weighs about 975 g
  • Sized at 28 x 130 x 436 mm
  • Made with a Plastic, ABS case
  • Features PBT keycaps
  • Offers Yes, Rgb, South-face, Rgb South-face, White, White South-face RGB lighting
  • Released in 2021
  • Has Clicky, Tactile, Linear, Silent switch options
  • Available in a 75% layout
  • Built with the ANSI layout standard
  • Provides dedicated media keys
  • Offers a USB passthrough port
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Runs at a 1000 Hz polling rate
  • Equipped with a 3750 mAh battery
  • Weighs about 803.5 g
  • Sized at 41 x 125 x 315 mm
  • Made with a Plastic case
  • Features ABS, PBT keycaps
  • Offers Yes, Rgb RGB lighting
Scores
  • Performance: 90.1
  • Build Quality: 81.2
  • Productivity: 94.3
  • Customizability: 89
  • Portability: 44.9
Scores
  • Performance: 62.8
  • Build Quality: 50.5
  • Productivity: 77.8
  • Customizability: 69.5
  • Portability: 81.4
Name
Keychron C2 Pro
Name
Royal Kludge RK84
Release year
2023
Release year
2021
Switch Options
Tactile, Linear, Clicky
Switch Options
Clicky, Tactile, Linear, Silent
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
100%
Layout Size
75%
Layout Standard
ISO-DE, ISO-ES, ISO-FR, ISO, ANSI
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
Wired, Wired only
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate
8000 Hz;1000 Hz
Polling Rate
1000 Hz
Battery capacity
-
Battery capacity
3750 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
Tray Mount
Mount Style
-
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, South-face, White, White South-face
Backlight
 
Rgb
Case Colors
Case Colors
Case Material
Plastic, ABS
Case Material
Plastic
Keycaps Material
PBT
Keycaps Material
ABS, PBT
Dimensions
28 x 130 x 436 mm
Dimensions
41 x 125 x 315 mm
Weight
975g
Weight
803.5g
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Pros and Trade-offs

Your primary need dictates the choice. If you require the fastest possible wired response for gaming, need a number pad, or want to dive into advanced key remapping with QMK, the Keychron C2 Pro is the superior tool. If your priority is a clutter-free, wireless setup for a small desk, the ability to switch between multiple devices, or easier transport, the Royal Kludge RK84 is the more practical option.

Keychron C2 Pro

  • +Adjustable 8000Hz polling rate for minimal input latency.
  • +Full-size layout with a dedicated number pad.
  • +Open-source QMK and VIA firmware support for deep customization.
  • +South-facing RGB LEDs compatible with Cherry-profile keycaps.
  • +Includes sound-dampening foam, EPDM foam, and a silicone bottom pad.
  • −Wired-only connectivity limits placement and device switching.
  • −Large 100% footprint requires significant desk space.
  • −Heavier weight at 975g reduces portability.

Royal Kludge RK84

  • +Tri-mode connectivity with Bluetooth, 2.4GHz wireless, and wired USB-C.
  • +Compact 75% layout saves desk space while keeping arrow keys.
  • +Includes two USB 2.0 pass-through ports for peripherals.
  • +Lighter weight and smaller dimensions enhance portability.
  • +Comes with a keycap/switch puller and four replacement switches.
  • −Uses ABS keycaps, which are more prone to shine than PBT.
  • −Lacks the advanced firmware customization options of QMK/VIA.
  • −The vendor listing shows some user reports of wireless connectivity issues.

Which Keyboard Is Better for Your Needs?

The Keychron C2 Pro is the clear choice for gaming and programming, where its high polling rate, full layout, and advanced firmware support are major advantages. For office use and travel, the Royal Kludge RK84 wins with its wireless connectivity and space-saving design. Modders will prefer the C2 Pro for its sound-dampening construction and south-facing LEDs, while content creators have a balanced choice depending on their need for a number pad versus a wireless setup.

GamingKeychron C2 Pro
  • •The C2 Pro offers an adjustable 8000Hz polling rate for ultra-low latency.
  • •Its full N-Key rollover ensures all simultaneous key presses are registered.
  • •The vendor description highlights the 8000Hz rate for faster input registration and near-instant triggering.
OfficeRoyal Kludge RK84
  • •The RK84's tri-mode wireless connectivity allows easy switching between multiple devices.
  • •Its 75% layout saves significant desk space while retaining arrow and function keys.
  • •The built-in USB pass-through ports provide convenient connectivity for peripherals like a mouse.
ProgrammingKeychron C2 Pro
  • •The C2 Pro's full-size layout includes a dedicated number pad for data entry.
  • •Open-source QMK and VIA support allow for deep key remapping and macro programming.
  • •The vendor states the Keychron Launcher web app works on all operating systems for flexible configuration.
TravelRoyal Kludge RK84
  • •The RK84 is significantly more compact (315 x 125 x 41 mm vs 436 x 130 x 20 mm).
  • •It is lighter at 803.5g compared to the C2 Pro's 975g.
  • •Wireless operation via Bluetooth or 2.4GHz removes the need for a cable on the go.
ModdingKeychron C2 Pro
  • •The C2 Pro features south-facing RGB LEDs, which the vendor states prevents interference with Cherry-profile keycaps.
  • •It comes with PBT keycaps, which are more resistant to shine than the RK84's ABS keycaps.
  • •The vendor description details multiple internal foam layers (sound absorbing, bottom case acoustic, EPDM, silicone pad) for sound tuning.
Content CreationTie
  • •The C2 Pro's full layout is better for shortcut-heavy workflows and number pad use.
  • •The RK84's multimedia keys and wireless connectivity offer flexibility for a clean desk setup.
  • •Both keyboards are hot-swappable, allowing switch customization for preferred typing feel during long sessions.

Frequently Asked Questions (FAQ)

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