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Compare Epomaker EK21 vs AULA EA75 Max Differences Side by Side

This comparison is for users deciding between a dedicated, programmable numpad and a compact full-featured keyboard. Both are from Epomaker, share gasket-mount designs and triple-mode connectivity, but serve fundamentally different purposes. The choice is difficult because they overlap in build quality and wireless features while targeting opposite ends of the desk space spectrum.

84
EPOMAKER EK21
-10% off
76
EPOMAKER x AULA EA75 Max

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4.6 (12)
4.9 (11)
  • Released in 2025
  • 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
  • Released in 2026
  • Has Linear, Silent switch options
  • Available in a 75% layout
  • Includes a Yes, TFT display
  • Equipped with a 5000 mAh battery
  • Weighs about 958.5 g
  • Sized at 43 x 333 x 147 mm
  • Offers Yes, Rgb, South-face, Rgb South-face RGB lighting
Scores
  • Performance: 77.4
  • Build Quality: 76.8
  • Productivity: 86.7
  • Customizability: 82.6
  • Portability: 87.8
Scores
  • Performance: 78.1
  • Build Quality: 68.5
  • Productivity: 82.7
  • Customizability: 72.8
  • Portability: 79.7
Name
Epomaker EK21
Name
AULA EA75 Max
Release year
2025
Release year
2026
Switch Options
Linear
Switch Options
Linear, Silent
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
Numpad
Layout Size
75%
Layout Standard
ANSI
Layout Standard
ANSI
Layout Ergonomics
Normal
Layout Ergonomics
Normal
Knob Support
 
Knob Support
 
Display Support
 
Display Support
 
TFT
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
1000 mAh
Battery capacity
5000 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
Backlight
 
Rgb, South-face
Case Colors
Case Colors
Case Material
ABS
Case Material
ABS
Keycaps Material
PBT
Keycaps Material
PBT
Dimensions
29 x 138 x 93 mm
Dimensions
43 x 333 x 147 mm
Weight
200g
Weight
958.5g
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Pros and Trade-offs

Your primary need dictates the choice. The Epomaker EK21 is a specialized, highly portable tool for expanding an existing compact keyboard setup or for number-heavy tasks on the go. The Epomaker EA75 Max is a complete daily-driver keyboard that balances a functional layout with premium features like a screen and massive battery. Consider the EK21 as an add-on and the EA75 Max as your main board.

Epomaker EK21

  • +Extremely portable at 200g with a 20-key numpad footprint.
  • +Fully programmable via open-source VIA software.
  • +Features a gasket-mount structure with Poron bottom foam and an IXPE switch pad for sound dampening.
  • +Includes a premium aluminum alloy knob for volume or custom control.
  • +Offers triple-mode connectivity (wired, Bluetooth, 2.4GHz) in a very affordable package.
  • −Lacks alphanumeric keys, functioning only as an accessory, not a standalone keyboard.
  • −Smaller 1000mAh battery provides less wireless runtime compared to full-sized boards.
  • −Limited to linear switch options in the provided configurations.

AULA EA75 Max

  • +Compact 75% layout retains arrow keys, function row, and navigation cluster in a space-saving design.
  • +Large 5000mAh battery supports extended wireless use.
  • +Includes a customizable TFT screen for displaying time, battery, GIFs, and system status.
  • +Features a 5-layer sound dampening system including sandwich, IXPE, PET, and bottom foams.
  • +Offers a choice of linear or silent linear switches from the factory.
  • −Substantially heavier at 958.5g, reducing portability.
  • −Software support is via a proprietary driver, not the open-source VIA platform.
  • −The manufacturer notes its plate-mount stabilizers are not compatible with screw-in stabilizers.

Which Keyboard Is Better for Your Needs?

The EA75 Max is the clear choice for primary use as a standalone keyboard, winning in gaming, office, and programming due to its complete layout and large battery. The EK21 excels in portability for travel and offers superior software customization for modders. For content creation, the decision hinges on whether you need a dedicated macro pad or a full primary keyboard.

GamingAULA EA75 Max
  • •The EA75 Max provides a full 75% layout with arrow keys and function row for game controls.
  • •Its 1000Hz polling rate in wired and 2.4GHz modes matches the EK21 for responsiveness.
  • •The manufacturer states it supports N-Key Rollover for simultaneous key presses in games.
OfficeAULA EA75 Max
  • •The EA75 Max includes a full alphanumeric section, arrow keys, and navigation cluster essential for spreadsheets and documents.
  • •Its 5000mAh battery offers significantly longer wireless runtime than the EK21's 1000mAh cell.
  • •The included TFT screen can display time and battery status, useful for time management.
ProgrammingAULA EA75 Max
  • •The EA75 Max's 75% layout provides all necessary alphanumeric and punctuation keys in a compact form.
  • •Dedicated arrow keys and a function row are present for efficient code navigation.
  • •It offers silent linear switch options, which the vendor listing mentions can reduce noise in shared spaces.
TravelEpomaker EK21
  • •The EK21 weighs only 200g and measures 29 x 138 x 93 mm, making it extremely portable.
  • •Its 20-key numpad layout can easily fit in a laptop bag as a supplemental input device.
  • •The 1000mAh battery is sufficient for a portable accessory and charges via USB-C.
ModdingEpomaker EK21
  • •The EK21 explicitly supports VIA software for deep, open-source key remapping and macro programming.
  • •Its vendor description details a gasket-mount structure with Poron and IXPE dampening foam layers for sound mods.
  • •It is hot-swappable and compatible with 3-pin and 5-pin mechanical switches.
Content CreationTie
  • •The EK21's programmable knob and VIA support are excellent for mapping timeline scrubbing or brush size controls.
  • •The EA75 Max provides a complete keyboard for shortcut-heavy software like Adobe Suite or DAWs.
  • •Both feature knobs for adjustable control, with the EA75 Max's knob interacting with its TFT screen.

Frequently Asked Questions (FAQ)

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