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Compare Yunzii CK75 vs RT75 Differences Side by Side

This comparison helps buyers decide between two 75% keyboards from Yunzii that cater to different priorities. The CK75 is a wireless, transparent gasket-mounted keyboard with tactile Ice Blade switches, ideal for users who value aesthetics and portability. The RT75 is a wired gaming-focused keyboard with advanced magnetic Hall Effect switches, rapid trigger, and high polling rates for competitive play. The decision is hard because both offer a gasket mount and solid build, but their switch technology and connectivity options diverge sharply.

YUNZII CK75 Wireless Transparent Gasket Mechanical Keyboard-Polar Bear
69
YUNZII RT75 Rapid Trigger Gaming Magnetic Keyboard

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  • Released in 2022
  • Has Tactile switch options
  • Built with the ANSI layout standard
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Equipped with a 3750 mAh battery
  • Weighs about 1050 g
  • Sized at 28 x 145 x 329 mm
  • Made with a ABS case
  • Released in 2024
  • Has Magnetic switch options
  • Built with the ANSI, JIS layout standard
  • Comes with a knob
  • Compatible with both Mac and Windows
  • Connects via USB-C
  • Utilizes Hall effect sensors
  • Features N-key rollover
  • Enables rapid trigger functionality
  • Has built-in sound dampening
  • Supports Wired, Wired only, Bluetooth, 2.4 GHz, Wireless connectivity
  • Runs at a 1000 Hz polling rate
  • Equipped with a 4000 mAh battery
  • Weighs about 962 g
  • Sized at 42 x 334 x 144 mm
Scores
  • Performance: 63.4
  • Build Quality: 59
  • Productivity: 52.1
  • Customizability: 55.8
  • Portability: 73.9
Scores
  • Performance: 94.1
  • Build Quality: 49.7
  • Productivity: 82.5
  • Customizability: 66.6
  • Portability: 79.6
Name
Yunzii CK75
Name
Yunzii RT75
Release year
2022
Release year
2024
Switch Options
Tactile
Switch Options
Magnetic
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
75%
Layout Size
75%
Layout Standard
ANSI
Layout Standard
ANSI, JIS
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
Wired, Wired only, Bluetooth, 2.4 GHz, Wireless
Polling Rate
-
Polling Rate
1000 Hz;8000 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
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
Case Material
-
Keycaps Material
PBT
Keycaps Material
PBT
Dimensions
28 x 145 x 329 mm
Dimensions
42 x 334 x 144 mm
Weight
1050g
Weight
962g
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Pros and Trade-offs

If your primary goal is competitive gaming with the fastest possible response times, the Yunzii RT75's magnetic switches and rapid trigger make it the clear winner. For users who prioritize typing comfort, wireless convenience, and a distinctive transparent design for office or travel, the Yunzii CK75 offers better value. The decision ultimately hinges on whether you need wired gaming performance or wireless flexibility with tactile feedback.

Yunzii CK75

  • +Triple connectivity with Bluetooth 5.1, 2.4 GHz, and wired options for flexible use.
  • +Transparent acrylic case with dual-layer PBT keycaps for a unique aesthetic.
  • +Hot-swappable PCB supports both 3-pin and 5-pin mechanical switches.
  • +Gasket mount with poron foam pad and silicone pad for a smoother typing experience.
  • +Built-in 3750mAh battery provides up to 90 hours of use without RGB lighting.
  • −Tactile switches are less ideal for competitive gaming where speed is critical.
  • −ABS plastic case may feel less premium compared to metal alternatives.
  • −No screen or knob included for quick adjustments on the keyboard itself.

Yunzii RT75

  • +Magnetic Hall Effect switches with rapid trigger for faster key reset and reduced latency.
  • +Adjustable actuation range from 0.1 to 4.0 mm with per-key 40-level precision.
  • +N-key rollover and 8,000 Hz polling rate for competitive gaming responsiveness.
  • +4-layer sound padding and gasket mount create a quiet, creamy typing sound.
  • +Web-based software for Win and Mac allows extensive customization without downloads.
  • −Wired-only connectivity limits portability and desk cable management.
  • −Lower build quality score of 49.7/100 relative to price tier, likely due to plastic case.
  • −Magnetic switches are not compatible with standard mechanical switch keycaps or mods.
  • −No Bluetooth or wireless options for use with tablets or mobile devices.

Which Keyboard Is Better for Your Needs?

The RT75 dominates gaming-specific categories thanks to its magnetic switches, rapid trigger, and high polling rates, making it the clear choice for competitive players. The CK75 wins in office, programming, travel, and content creation use cases due to its tactile switch feedback, wireless connectivity, and longer battery life. For modding, both keyboards offer strong customization features but through different avenues: the CK75's transparent case for visual mods versus the RT75's web software for performance tuning.

GamingYunzii RT75
  • •Magnetic Hall Effect switches with rapid trigger for faster key resets and repeated inputs.
  • •Adjustable actuation range from 0.1 to 4.0 mm with 40 levels for per-key precision.
  • •High performance score of 94.1/100 for gaming, latency, and polling.
  • •N-key rollover and 8,000 Hz polling rate for minimal latency.
OfficeYunzii CK75
  • •Tactile Ice Blade switches with 45gf actuation provide a comfortable typing feel for long sessions.
  • •Triple connectivity (Bluetooth 5.1, 2.4 GHz, wired) offers flexible setup options.
  • •Built-in 3750mAh battery lasts up to 90 hours without RGB, reducing charging frequency.
  • •PBT keycaps with KSA profile provide an ergonomic typing angle and oil-resistant durability.
ProgrammingYunzii CK75
  • •Tactile switches give clear feedback for each keystroke, reducing typing errors during long coding sessions.
  • •Wireless connectivity allows for a cleaner desk setup and easy switching between devices.
  • •Gasket mount with silicone and poron foam layers softens the typing experience for extended use.
  • •Full acrylic case provides a solid, high-quality feel that reviewers noted for typing comfort.
TravelYunzii CK75
  • •Wireless connectivity (Bluetooth and 2.4 GHz) eliminates the need for cables on the go.
  • •Slightly lighter weight of 1050g (though heavier than RT75's 962g), but the wireless freedom is key for portability.
  • •Built-in 3750mAh battery supports extended use away from power outlets.
  • •Compact 75% layout saves desk space in shared or temporary workspaces.
ModdingTie
  • •Both are hot-swappable: CK75 accepts 3-pin/5-pin mechanical switches, RT75 supports magnetic switches.
  • •CK75 has a transparent acrylic case that is ideal for custom switch and keycap aesthetics.
  • •RT75 offers web software for extensive customization of actuation points, macros, and RGB lighting.
  • •Both feature gasket mount structures that can be modified with additional sound dampening materials.
Content CreationYunzii CK75
  • •Tactile switches provide satisfying feedback for typing scripts or editing captions.
  • •Wireless capability allows for a clutter-free workspace, beneficial for video or photo editing setups.
  • •South-facing RGB with transparent keycaps creates an aesthetic look that suits creative environments.
  • •PBT keycaps resist shine from oils, maintaining a clean appearance over time.

Frequently Asked Questions (FAQ)

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