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

Explore the comprehensive side-by-side comparison of the Coolkiller Spring 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.

Model
	66		Select a keyboard to compare
Rating	0.0 stars (0 reviews)	0.0 stars (0 reviews)
Purchase Options
Main differences	Released in 2023 Has Linear switch options Available in a 65% layout Connects via USB-C Equipped with a 3500 mAh battery Weighs about 1500 g Made with a Aluminum case Features PBT keycaps	Released in 2025 Available in a 75% layout
Score	Scores Performance: 58.9 Build Quality: 64.4 Productivity: 60.6 Customizability: 71.7 Portability: 89.9	Scores Performance: 49.9 Build Quality: 42 Productivity: 56.6 Customizability: 70.2 Portability: 78.1
Name	Name Coolkiller Spring	Name Niz L84/L99
Release year	Release year 2023	Release year 2025
Switch Options	Switch Options Linear	Switch Options -
Profile	Profile Low Profile	Profile Low Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 65%	Layout Size 75%
Layout Standard	Layout Standard ANSI	Layout Standard ANSI
Layout Ergonomics	Layout Ergonomics Normal	Layout Ergonomics Normal
Knob Support	Knob Support	Knob Support
Display Support	Display Support	Display Support
Mac/Win Support	Mac/Win Support	Mac/Win Support
Multi-Media Keys	Multi-Media Keys	Multi-Media Keys
USB-C	USB-C	USB-C
USB passthrough	USB passthrough	USB passthrough
Connection	Connection Bluetooth, 2.4 GHz, Wired, Wireless	Connection Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate	Polling Rate -	Polling Rate -
Battery capacity	Battery capacity 3500 mAh	Battery capacity -
Hall Effect Support	Hall Effect Support	Hall Effect Support
QMK Support	QMK Support	QMK Support
VIA Support	VIA Support	VIA Support
VIAL Support	VIAL Support	VIAL Support
N-Key Rollover	N-Key Rollover	N-Key Rollover
Rapid Trigger	Rapid Trigger	Rapid Trigger
Mount Style	Mount Style -	Mount Style -
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight Rgb	Backlight Rgb
Case Colors	Case Colors	Case Colors
Case Material	Case Material Aluminum	Case Material -
Keycaps Material	Keycaps Material PBT	Keycaps Material -
Dimensions	Dimensions -	Dimensions -
Weight	Weight 1500g	Weight -