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Compare Epomaker QK108 vs TH40 Differences Side by Side

This comparison is for users deciding between a traditional full-size layout and an ultra-compact 40% keyboard from the same brand. Both the Epomaker QK108 and TH40 share core features like gasket mounts, tri-mode connectivity, and VIA programmability, making the choice hinge entirely on layout preference and specific use-case demands. The decision is difficult because each board excels in opposite areas: one prioritizes complete functionality and battery life, while the other focuses on minimalism and portability.

84
EPOMAKER QK108
-10% off
82
Epomaker TH40

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3.7 (6)
3.9 (52)
  • Released in 2025
  • Has Linear, Tactile, Silent switch options
  • Available in a 100% layout
  • Offers Normal ergonomics
  • Comes with a knob
  • Includes a Yes, LED display
  • Connects via USB-C
  • Has built-in sound dampening
  • Equipped with a 8000 mAh battery
  • Weighs about 1180 g
  • Sized at 43 x 439 x 139 mm
  • Released in 2024
  • Has Linear switch options
  • Available in a 40% layout
  • Offers Split Spacebar ergonomics
  • Includes a No display
  • Supports QMK firmware
  • Equipped with a 3000 mAh battery
  • Weighs about 500 g
  • Sized at 35 x 258 x 97 mm
Scores
  • Performance: 80.8
  • Build Quality: 75.3
  • Productivity: 88.4
  • Customizability: 82.1
  • Portability: 62.1
Scores
  • Performance: 73.9
  • Build Quality: 75.3
  • Productivity: 62.5
  • Customizability: 86
  • Portability: 84.1
Name
Epomaker QK108
Name
Epomaker TH40
Release year
2025
Release year
2024
Switch Options
Linear, Tactile, Silent
Switch Options
Linear
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
100%
Layout Size
40%
Layout Standard
ANSI
Layout Standard
ANSI
Layout Ergonomics
Normal
Layout Ergonomics
Split Spacebar
Knob Support
 
Knob Support
 
Display Support
 
LED
Display Support
 
Mac/Win Support
 
Mac/Win Support
 
Multi-Media Keys
 
Multi-Media Keys
 
USB-C
 
USB-C
 
USB passthrough
 
USB passthrough
 
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate
1000 Hz
Polling Rate
1000 Hz
Battery capacity
8000 mAh
Battery capacity
3000 mAh
Hall Effect Support
 
Hall Effect Support
 
QMK Support
 
QMK Support
 
VIA Support
 
VIA Support
 
VIAL Support
 
VIAL Support
 
N-Key Rollover
 
N-Key Rollover
 
Rapid Trigger
 
Rapid Trigger
 
Mount Style
Gasket Mount
Mount Style
Gasket Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, South-face
Backlight
 
Rgb, South-face
Case Colors
Case Colors
Case Material
ABS
Case Material
ABS
Keycaps Material
PBT
Keycaps Material
PBT
Dimensions
43 x 439 x 139 mm
Dimensions
35 x 258 x 97 mm
Weight
1180g
Weight
500g
*Something incorrect or missing? Please
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Pros and Trade-offs

Your primary need dictates the choice. If you work primarily at a single desk, value a number pad, and want tactile controls like a knob, the Epomaker QK108 is the logical pick. If your priority is a keyboard that can disappear into a bag, you're comfortable with layers, and you value deep firmware tinkering, the Epomaker TH40's compact form is compelling. Consider how often you truly need dedicated keys versus a minimalist setup.

Epomaker QK108

  • +Includes a customizable knob and LED mini-screen for multimedia and status control.
  • +Massive 8000mAh battery supports extended wireless use.
  • +Full 104-key layout with number pad requires no adaptation for traditional users.
  • +Five-layer sound dampening design with sandwich foam, IXPE pad, PET, and silicone.
  • +Comes with additional Mac keycaps and two extra switches in the box.
  • −Large 100% size and 1180g weight make it desk-bound and less portable.
  • −Complex internal foam design may be more difficult to disassemble for modifications.
  • −The screen software has been noted in a user review as being occasionally 'iffy'.

Epomaker TH40

  • +Ultra-compact 40% layout and 500g weight offer maximum portability.
  • +Supports both QMK and VIA for extensive firmware programmability.
  • +Split spacebar layout with an integrated FN key can improve typing ergonomics.
  • +Gasket mount design includes Poron plate foam and an IXPE switch pad for sound.
  • −40% layout lacks dedicated number, arrow, and function keys, requiring heavy layer use.
  • −Smaller 3000mAh battery offers less wireless runtime than the QK108.
  • −Some user reviews report initial difficulties getting VIA to recognize the keyboard.
  • −Only includes the keyboard, cable, and manual, with fewer accessories.

Which Keyboard Is Better for Your Needs?

The QK108 is the clear choice for gaming, office work, and content creation where its full layout, knob, and screen add concrete utility. The TH40 dominates for travel due to its minimal size and weight, while also appealing to modders with its QMK support. For programming, the decision is a true tie, hinging on whether you prefer immediate key access or a highly personalized, layered setup.

GamingEpomaker QK108
  • •Full 104-key layout includes dedicated arrow and function keys for in-game controls.
  • •Includes a customizable knob for quick volume or macro adjustments.
  • •Vendor page cites 3ms wired and 5ms 2.4GHz latency for responsive gameplay.
OfficeEpomaker QK108
  • •Full-size layout with a number pad is standard for data entry and spreadsheet work.
  • •Includes Mac modifier keycaps and is listed as compatible with Windows and Mac.
  • •The 8000mAh battery, according to the vendor, supports long work sessions.
ProgrammingTie
  • •QK108 offers a dedicated number row and punctuation keys without layers.
  • •TH40's VIA programmability and multiple layers allow heavy customization for shortcuts.
  • •Both support QMK/VIA for key remapping and macro creation.
TravelEpomaker TH40
  • •TH40's 40% layout and 500g weight are significantly more portable.
  • •Dimensions of 258 x 97 x 35 mm are much smaller than the QK108's full-size footprint.
  • •Includes tri-mode connectivity for use with laptops and mobile devices on the go.
ModdingEpomaker TH40
  • •TH40 listing mentions QMK support in addition to VIA, offering deeper firmware customization.
  • •Both are hot-swappable, but the TH40's compact PCB may appeal to niche modders.
  • •Vendor description for the TH40 details its Poron and IXPE foam layers for sound modding.
Content CreationEpomaker QK108
  • •Customizable LED mini-screen can display status info or custom GIFs.
  • •Volume knob provides tactile control for audio editing.
  • •Full layout allows for dedicated shortcut keys without relying on function layers.

Frequently Asked Questions (FAQ)

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