Compare Epomaker EK21 vs Yunzii YZ19 Differences Side by Side

This comparison is for users deciding between two compact, wireless mechanical numpads. Both the Epomaker EK21 and Yunzii YZ19 offer triple-mode connectivity, gasket mounts, and hot-swap sockets, making the choice difficult. The decision hinges on whether you prioritize advanced programmability and sound-dampening construction or a larger battery and a choice of linear or tactile switches out of the box.

Model
	83	70	Select a keyboard to compare
Rating	4.6 stars (12 reviews)	0.0 stars (0 reviews)
Purchase Options
Main differences	Released in 2025 Has Linear switch options Connects via USB-C Supports VIA configuration Has built-in sound dampening 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 Offers Yes, Rgb RGB lighting	Released in 2024 Has Tactile, Linear switch options Equipped with a 1500 mAh battery Weighs about 219.5 g Sized at 41 x 136 x 92 mm Offers Yes, Rgb, South-face, Rgb South-face RGB lighting
Score	Scores Performance: 77.2 Build Quality: 76.6 Productivity: 86.8 Customizability: 82.4 Portability: 87.8	Scores Performance: 73.8 Build Quality: 66 Productivity: 62.6 Customizability: 74.8 Portability: 84.4
Name	Name Epomaker EK21	Name Yunzii YZ19
Release year	Release year 2025	Release year 2024
Switch Options	Switch Options Linear	Switch Options Tactile, Linear
Profile	Profile Normal Profile	Profile Normal Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size Numpad	Layout Size Numpad
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 1000 Hz	Polling Rate -
Battery capacity	Battery capacity 1000 mAh	Battery capacity 1500 mAh
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 Gasket Mount
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight Rgb	Backlight Rgb, South-face
Case Colors	Case Colors	Case Colors
Case Material	Case Material ABS	Case Material -
Keycaps Material	Keycaps Material PBT	Keycaps Material PBT
Dimensions	Dimensions 29 x 138 x 93 mm	Dimensions 41 x 136 x 92 mm
Weight	Weight 200g	Weight 219.5g

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Pros and Trade-offs

Your primary need dictates the choice. For a numpad you can deeply customize for workflows, macros, and sound, the Epomaker EK21's VIA support and detailed construction are compelling. If you simply need a reliable, long-lasting wireless numpad with a choice of switch feel, the Yunzii YZ19's larger battery and tactile option are more practical. Consider the EK21 an enthusiast's tool and the YZ19 a straightforward accessory.

Epomaker EK21

+Full programmability and macro support via VIA software.
+Detailed sound-dampening construction with Poron bottom foam, sandwich foam, and an IXPE switch pad.
+Includes a polycarbonate plate and flex-cut PCB/plate for a softer typing feel.
+Specifies a 1000Hz polling rate in wired and 2.4GHz modes.
+Comes with an aluminum alloy knob and pre-lubed, tuned stabilizers.

−Smaller 1000mAh battery compared to the YZ19.
−Only available with linear switches in the provided configuration.
−Some user reviews mention firmware or VIA configuration issues.

Yunzii YZ19

+Larger 1500mAh battery capacity for extended wireless use.
+Offers a choice between Gateron G Pro Yellow (linear) and Brown (tactile) switches.
+Features south-facing RGB lighting to reduce interference with keycaps.
+Uses XDA profile PBT keycaps for a uniform typing surface.

−Lacks VIA or other advanced programming software support.
−No specified polling rate is provided in the available information.
−Slightly heavier and thicker than the EK21.

Which Keyboard Is Better for Your Needs?

The Epomaker EK21 wins in scenarios demanding software customization, such as programming, gaming, and content creation, thanks to VIA support. The Yunzii YZ19 is better suited for office use where battery life and a tactile switch option are primary concerns. For travel, the trade-off between the EK21's lighter weight and the YZ19's larger battery makes it a tie. Modders will find more documented construction details and flexibility with the EK21.

GamingEpomaker EK21

•The EK21 has a specified 1000Hz polling rate in wired and 2.4GHz modes for lower latency.
•Its VIA software support allows for extensive macro programming and key remapping.
•The manufacturer lists N-Key Rollover for accurate multi-key inputs.

OfficeYunzii YZ19

•The YZ19 has a larger 1500mAh battery for longer wireless use between charges.
•It offers a choice between Gateron G Pro Yellow (linear) and Brown (tactile) switches.
•South-facing RGB lighting, as noted in its specs, reduces interference with certain keycap profiles.

ProgrammingEpomaker EK21

•Full programmability via VIA software allows for creating complex macros and layer mappings.
•The listing includes three layers of sound-dampening foam (Poron and IXPE) for a quieter environment.
•A polycarbonate plate and flex-cut PCB/plate are specified for a more consistent typing feel.

TravelTie

•Both are compact numpads with similar footprint dimensions.
•Both offer Bluetooth and 2.4GHz wireless connectivity for cable-free use.
•The EK21 is slightly lighter at 200g, while the YZ19 has a larger 1500mAh battery.

ModdingEpomaker EK21

•The EK21's construction is detailed with specific modding-friendly features: a polycarbonate plate, Poron and IXPE foam layers, and a flex-cut PCB.
•VIA software support provides deep firmware-level customization.
•It is confirmed to be compatible with both 3-pin and 5-pin mechanical switches.

Content CreationEpomaker EK21

•VIA programmability is ideal for assigning media controls, shortcuts, and macros for editing software.
•The included aluminum knob can be customized for timeline scrubbing or parameter adjustments.
•Pre-lubed and tuned stabilizers are noted for a smoother, more consistent feel.