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Compare ATK RS7 HE vs Sikakeyb Castle CK75 Differences Side by Side

Explore the comprehensive side-by-side comparison of the ATK RS7 HE and Sikakeyb Castle CK75 and view their biggest differences. The detailed comparison table allows you to see all the essential features, specifications, and benefits of each keyboard at a glance. Whether you're looking for performance, value, or specific functionalities, this comparison tool helps you make an informed decision.

ATK RS7 ESports Hall Effect Aluminum Keyboard
SIKAKEYB Castle CK75 US 83Key Magnetic Switch Mechanical Keyboard

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  • Released in 2025
  • Comes with a knob
  • Includes a Yes display
  • Supports Wired, Wired only connectivity
  • Made with a Aluminum case
  • Released in 2024
  • Includes a No display
  • Connects via USB-C
  • Enables rapid trigger functionality
  • Has built-in sound dampening
  • Uses a Gasket Mount mounting style
  • Supports Wired, Wired only, connectivity
  • Runs at a 8000 Hz polling rate
  • Weighs about 805 g
  • Sized at 29 x 129 x 316 mm
  • Made with a ABS case
Scores
  • Performance: 57.8
  • Build Quality: 47.9
  • Productivity: 51
  • Customizability: 56.8
  • Portability: 58.5
Scores
  • Performance: 88.4
  • Build Quality: 43.1
  • Productivity: 56.1
  • Customizability: 45.7
  • Portability: 60.5
Name
ATK RS7 HE
Name
Sikakeyb Castle CK75
Release year
2025
Release year
2024
Switch Options
Magnetic
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
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
Wired, Wired only,
Polling Rate
-
Polling Rate
8000 Hz
Battery capacity
-
Battery capacity
-
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
Case Colors
Case Colors
Case Material
Aluminum
Case Material
ABS
Keycaps Material
PBT
Keycaps Material
PBT
Dimensions
-
Dimensions
29 x 129 x 316 mm
Weight
-
Weight
805g
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