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Compare Coolkiller Spring Series vs Niz L84/L99 Differences Side by Side

Explore the comprehensive side-by-side comparison of the Coolkiller Spring Series and Niz L84/L99 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.

61
CoolKiller Spring Series Mechanical Keyboard
NIZ L84/L99 Low Profile MAC Three Mode EC Keyboard

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  • Released in 2023
  • Has Linear switch options
  • Available in a 65% layout
  • Connects via USB-C
  • Has built-in sound dampening
  • Uses a Gasket Mount mounting style
  • Equipped with a 3750 mAh battery
  • Weighs about 1500 g
  • Sized at 28 x 329 x 145 mm
  • Made with a Plastic case
  • Features PBT keycaps
  • Released in 2025
  • Features a low-profile design
  • Available in a 75% layout
Scores
  • Performance: 44.7
  • Build Quality: 53.4
  • Productivity: 69.1
  • Customizability: 69.6
  • Portability: 89.5
Scores
  • Performance: 49.8
  • Build Quality: 42
  • Productivity: 56.4
  • Customizability: 69.5
  • Portability: 77.9
Name
Coolkiller Spring Series
Name
Niz L84/L99
Release year
2023
Release year
2025
Switch Options
Linear
Switch Options
-
Profile
Normal Profile
Profile
Low Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
65%
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
Bluetooth, 2.4 GHz, Wired, Wireless
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate
-
Polling Rate
-
Battery capacity
3750 mAh
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
Gasket Mount
Mount Style
-
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb
Backlight
 
Rgb
Case Colors
Case Colors
Case Material
Plastic
Case Material
-
Keycaps Material
PBT
Keycaps Material
-
Dimensions
28 x 329 x 145 mm
Dimensions
-
Weight
1500g
Weight
-
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Coolkiller Spring Series vs Niz L84/L99 Specs