Compare Epomaker EK21 vs TH108 Pro Differences Side by Side

This comparison is for users deciding between a dedicated, programmable numpad and a complete, all-in-one mechanical keyboard. Both are Epomaker products with gasket mounts, wireless connectivity, and hot-swappable switches, making the choice difficult. The decision hinges on whether you need a compact accessory to complement an existing setup or a standalone keyboard with a full layout and extra features like a screen.

Model
	84	76	Select a keyboard to compare
Rating	4.6 stars (12 reviews)	4.6 stars (30 reviews)
Purchase Options
Main differences	Has Linear switch options Available in a Numpad layout Includes a No display Supports VIA configuration Equipped with a 1000 mAh battery Weighs about 200 g Sized at 29 x 138 x 93 mm Offers Yes, Rgb RGB lighting	Has Linear, Silent switch options Available in a 100% layout Includes a Yes, TFT display Equipped with a 10000 mAh battery Weighs about 1120 g Sized at 42 x 445 x 140 mm Offers Yes, Rgb, South-face, Rgb South-face RGB lighting
Score	Scores Performance: 77.4 Build Quality: 76.8 Productivity: 86.7 Customizability: 82.6 Portability: 87.8	Scores Performance: 78.2 Build Quality: 68.6 Productivity: 82.7 Customizability: 72.9 Portability: 62.3
Name	Name Epomaker EK21	Name Epomaker TH108 Pro
Release year	Release year 2025	Release year 2025
Switch Options	Switch Options Linear	Switch Options Linear, Silent
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 TFT
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 1000 Hz
Battery capacity	Battery capacity 1000 mAh	Battery capacity 10000 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 ABS
Keycaps Material	Keycaps Material PBT	Keycaps Material PBT
Dimensions	Dimensions 29 x 138 x 93 mm	Dimensions 42 x 445 x 140 mm
Weight	Weight 200g	Weight 1120g

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Pros and Trade-offs

Your need for a primary keyboard dictates the choice. The Epomaker TH108 Pro is a capable, feature-rich desktop keyboard with a superb battery and useful screen. The Epomaker EK21 is a specialized, highly portable tool for adding a numpad or macros to a minimalist setup, with superior programmability for tinkerers. They are complementary products rather than direct competitors.

Epomaker EK21

+Extremely portable at 200g with a compact 20-key numpad footprint.
+Offers full VIA software support for open-source key remapping and macros.
+Includes a braided USB-C cable and a 2.4GHz dongle in the box.
+Features a gasket mount with detailed Poron and IXPE sound-dampening foam layers.
+Compatible with both 3-pin and 5-pin hot-swappable switches.

−Serves only as an accessory, requiring a separate main keyboard for typing.
−The 1000mAh battery is small compared to full-sized keyboards.
−Some user reviews mention firmware or software configuration challenges.

Epomaker TH108 Pro

+Massive 10000mAh battery for very long wireless usage.
+Includes a customizable TFT smart screen for information or GIFs.
+Full 104-key layout with a knob and adjustable two-stage kickstand.
+Features a 5-layer sound dampening system including PET and silicone.
+Offers a choice of linear or silent linear pre-lubed switches.

−Very large and heavy at 1.12kg, not suitable for travel.
−Lacks mentioned support for VIA software, relying on a proprietary driver.
−Stabilizers are plate-mounted and not compatible with PCB or screw-in types.

Which Keyboard Is Better for Your Needs?

The TH108 Pro is the clear choice for primary use as a desktop keyboard, winning in gaming, office work, programming, and content creation due to its complete layout, large battery, and extra features. The EK21 excels only in scenarios demanding extreme portability or deep, software-based customization via VIA. For modding enthusiasts who prioritize firmware programmability over physical size, the EK21 holds an edge.

GamingEpomaker TH108 Pro

•The TH108 Pro's full layout includes all standard keys and function row for game shortcuts.
•Its listed 2ms latency in wired mode may benefit competitive play.
•The 1000Hz polling rate in wired and 2.4GHz modes matches the EK21's performance.

OfficeEpomaker TH108 Pro

•The 100% layout includes a dedicated numpad, arrow keys, and navigation cluster for data entry.
•The massive 10000mAh battery promises extended wireless use between charges.
•Optional silent linear switches, like the Sea Salt Silent V2, are listed for quieter environments.

ProgrammingEpomaker TH108 Pro

•The full 104-key layout provides immediate access to all symbols and brackets without layers.
•The inclusion of a TFT screen can display system info or custom graphics.
•The adjustable two-stage kickstand offers three typing angles for ergonomics.

TravelEpomaker EK21

•The EK21's 200g weight and 29mm height are significantly more portable.
•Its compact 20-key numpad layout takes up minimal desk or bag space.
•It offers the same triple-mode wireless connectivity in a much smaller form factor.

ModdingEpomaker EK21

•The EK21 explicitly supports VIA software for deep, open-source key remapping and macro programming.
•Its vendor description details a specific sound-dampening setup with Poron and IXPE foam layers.
•It is compatible with both 3-pin and 5-pin mechanical switches for broader switch selection.

Content CreationEpomaker TH108 Pro

•The programmable knob on the TH108 Pro can be assigned to timeline scrubbing or brush size controls.
•The TFT screen can be customized with GIFs or images for personal branding or workflow status.
•The full layout is necessary for extensive shortcut use in creative software suites.