Compare Epomaker EK21 vs TH108 Differences Side by Side

This comparison is for users deciding between a highly portable, programmable numpad and a traditional full-sized keyboard from the same brand. Both the Epomaker EK21 and TH108 share tri-mode connectivity, gasket mounts, and hot-swappable switches, making the choice difficult. The decision hinges entirely on whether your priority is a space-saving accessory or a complete, standalone typing solution with a numeric keypad built-in.

Model
	84	66	Select a keyboard to compare
Rating	4.6 stars (12 reviews)	4.7 stars (41 reviews)
Purchase Options
Main differences	Has Linear switch options Available in a Numpad layout Comes with a knob 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 Equipped with a 8000 mAh battery Weighs about 1200 g Sized at 42 x 140 x 445 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: 74.8 Build Quality: 60.6 Productivity: 76.4 Customizability: 59.7 Portability: 63.1
Name	Name Epomaker EK21	Name Epomaker TH108
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
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 8000 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 140 x 445 mm
Weight	Weight 200g	Weight 1200g

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Pros and Trade-offs

Your need for a numeric keypad is the deciding factor. If you already have a compact keyboard you love and just need number entry or a programmable macro pad, the EK21 is a versatile and portable upgrade. If you need a single, complete keyboard for your desk with all keys present and exceptional battery life, the TH108 is the appropriate choice, despite its larger footprint.

Epomaker EK21

+Extremely portable at 200g with a compact 20-key numpad layout.
+Full programmability via VIA software for key remapping and macros.
+Includes a premium aluminum alloy knob for media control or custom functions.
+Features a gasket mount with three layers of sound-dampening foam (Poron, sandwich, IXPE).
+Comes with a braided USB-C cable and a 2.4GHz dongle in the box.

−Is only a numpad, requiring a separate main keyboard for full functionality.
−Smaller 1000mAh battery, though appropriate for its size.
−Some user reviews mention firmware or VIA software issues.

Epomaker TH108

+Complete 100% layout with 108 keys, including a full numpad.
+Massive 8000mAh battery for very long wireless usage.
+Features five layers of sound dampening, including silicone, for a muted typing experience.
+Includes a two-stage adjustable kickstand for ergonomic typing angles.
+Offers a choice of silent linear switches for quiet operation.

−Very large and heavy at 1.2kg, not suitable for portability.
−Lacks VIA support, relying on a proprietary web-based driver for customization.
−Plate-mounted stabilizers are not compatible with PCB or screw-in types.

Which Keyboard Is Better for Your Needs?

The TH108 is the clear choice for traditional office work and content creation where a full layout is non-negotiable. The EK21 dominates for travel and offers superior firmware-level modding potential with VIA. For gaming and programming, the choice is a draw, hinging on whether you value a dedicated macro pad (EK21) or an all-in-one board (TH108).

GamingTie

•Both offer a 1000Hz polling rate in wired and 2.4GHz modes for low latency.
•Both support N-key rollover for anti-ghosting.
•The TH108's full layout provides dedicated macro keys, while the EK21 can be programmed as a dedicated macro pad via VIA.

OfficeEpomaker TH108

•The TH108's 100% layout includes a full numpad and navigation cluster, essential for data entry.
•It offers a choice of silent linear switches for quieter environments.
•Its 8000mAh battery provides exceptionally long wireless runtime.

ProgrammingTie

•The EK21's VIA support allows deep key remapping and layer programming for coding shortcuts.
•The TH108's full layout provides all standard keys without layers, reducing finger travel.
•Both are hot-swappable, allowing switch customization for preferred typing feel.

TravelEpomaker EK21

•The EK21 weighs only 200g and measures 29 x 138 x 93 mm, making it extremely portable.
•Its 1000mAh battery is sufficient for a peripheral of its size.
•It can function as a wireless numpad or macro pad for a laptop without adding significant bulk.

ModdingEpomaker EK21

•The EK21 supports VIA software for extensive firmware-based reprogramming.
•Its listing mentions a CNC-cut polycarbonate plate and three layers of foam (Poron, sandwich, IXPE) for sound tuning.
•It includes an aluminum alloy knob, a premium modding component.

Content CreationEpomaker TH108

•The TH108's full layout is better for software with extensive shortcut keys.
•Its adjustable two-stage kickstand offers multiple typing angles for ergonomics.
•South-facing RGB LEDs are compatible with more aftermarket keycap sets.