Compare Epomaker EK21 vs Azio KB540 Differences Side by Side

Explore the comprehensive side-by-side comparison of the Epomaker EK21 and Azio KB540 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
	84	64	Select a keyboard to compare
Rating	4.5 stars (13 reviews)	0.0 stars (0 reviews)
Purchase Options
Main differences	Released in 2025 Has Linear switch options Available in a Numpad layout Comes with a knob Supports VIA configuration Features N-key rollover Has built-in sound dampening Uses a Gasket Mount mounting style Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity Runs at a 1000 Hz polling rate Equipped with a 1000 mAh battery Weighs about 200 g Sized at 29 x 138 x 93 mm Made with a ABS case Features PBT keycaps	Released in 2020 Available in a 100% layout Supports Bluetooth, Wired, Wireless connectivity Weighs about 816 g Sized at 27 x 195 x 459 mm Made with a Plastic case Features PBT, ABS keycaps
Score	Scores Performance: 77.3 Build Quality: 77.3 Productivity: 87.8 Customizability: 83.1 Portability: 88	Scores Performance: 63.3 Build Quality: 52.3 Productivity: 76.5 Customizability: 69.3 Portability: 55.3
Name	Name Epomaker EK21	Name Azio KB540
Release year	Release year 2025	Release year 2020
Switch Options	Switch Options Linear	Switch Options -
Profile	Profile Normal Profile	Profile Normal Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size Numpad	Layout Size 100%
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, Wired, Wireless
Polling Rate	Polling Rate 1000 Hz	Polling Rate -
Battery capacity	Battery capacity 1000 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 Gasket Mount	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 ABS	Case Material Plastic
Keycaps Material	Keycaps Material PBT	Keycaps Material PBT, ABS
Dimensions	Dimensions 29 x 138 x 93 mm	Dimensions 27 x 195 x 459 mm
Weight	Weight 200g	Weight 816g