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Compare Epomaker EK21 vs LUMA100 Differences Side by Side

This comparison is for users deciding between adding a dedicated numpad or upgrading to a full compact keyboard. Both are Epomaker products with gasket mounts, VIA support, and triple-mode connectivity, making the choice about layout and primary function. The EK21 is a standalone accessory, while the LUMA100 is a primary input device with a distinct low-profile design.

83
EPOMAKER EK21
-10% off
78
EPOMAKER LUMA100

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4.6 (12)
5.0 (6)
  • Released in 2025
  • Has Linear switch options
  • Available in a Numpad layout
  • Comes with a knob
  • Features N-key rollover
  • Equipped with a 1000 mAh battery
  • Weighs about 200 g
  • Sized at 29 x 138 x 93 mm
  • Made with a ABS case
  • Features PBT keycaps
  • Offers Yes, Rgb RGB lighting
  • Released in 2026
  • Features a low-profile design
  • Available in a 96% layout
  • Equipped with a 3000 mAh battery
  • Weighs about 620 g
  • Sized at 26 x 371 x 129 mm
  • Made with a Aluminum case
  • Features ABS keycaps
  • Offers Yes, Rgb, North-face, Rgb North-face RGB lighting
Scores
  • Performance: 77.2
  • Build Quality: 76.6
  • Productivity: 86.1
  • Customizability: 82.4
  • Portability: 87.8
Scores
  • Performance: 68.2
  • Build Quality: 75.3
  • Productivity: 83.7
  • Customizability: 74.7
  • Portability: 56
Name
Epomaker EK21
Name
Epomaker LUMA100
Release year
2025
Release year
2026
Switch Options
Linear
Switch Options
-
Profile
Normal Profile
Profile
Low Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
Numpad
Layout Size
96%
Layout Standard
ANSI
Layout Standard
ANSI
Layout Ergonomics
Normal
Layout Ergonomics
Normal
Knob Support
 
Knob Support
 
Display Support
 
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
1000 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
Backlight
 
Rgb, North-face
Case Colors
Case Colors
Case Material
ABS
Case Material
Aluminum
Keycaps Material
PBT
Keycaps Material
ABS
Dimensions
29 x 138 x 93 mm
Dimensions
26 x 371 x 129 mm
Weight
200g
Weight
620g
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Pros and Trade-offs

Your decision hinges entirely on whether you need a primary keyboard or a supplemental accessory. Choose the Epomaker LUMA100 if you want a complete, low-profile typing experience with a premium aluminum build. Choose the Epomaker EK21 if you need a portable, programmable numpad to enhance an existing compact or tenkeyless keyboard setup, especially if you value its included knob and lower cost.

Epomaker EK21

  • +Extremely portable at 200g with a 138mm length.
  • +Includes a programmable aluminum alloy knob for volume or macro control.
  • +Comes with PBT dye-sublimated keycaps for better durability against shine.
  • +Features a detailed sound-dampening system with Poron foam, sandwich foam, and an IXPE switch pad.
  • +Offers a lower price point for a fully featured, programmable device.
  • −Is only a numpad, requiring a separate main keyboard for full functionality.
  • −Uses an ABS plastic case instead of a more premium metal construction.
  • −Has a smaller 1000mAh battery compared to many full-sized keyboards.

Epomaker LUMA100

  • +Provides a full 96% layout with numpad in a relatively compact form factor.
  • +Built with an anodized aluminum case for a sturdier feel.
  • +Features a dedicated low-profile design with DSA keycaps and low-profile switches.
  • +Includes a comprehensive accessory kit with extra Mac keycaps, a storage bag, and high-profile feet.
  • +Larger 3000mAh battery supports extended wireless use.
  • −Significantly larger, heavier, and less portable than the EK21.
  • −Uses ABS keycaps which may develop shine over time faster than PBT.
  • −Carries a higher price point.
  • −Low-profile switch compatibility limits aftermarket switch options compared to standard mechanical switches.

Which Keyboard Is Better for Your Needs?

The LUMA100 is the clear choice for primary use in office, programming, and content creation due to its complete key set. The EK21 excels in portability for travel and serves as a versatile secondary device. For gaming and modding, both offer capable foundations, with the decision leaning on whether you need a full keyboard or a supplemental pad.

GamingTie
  • •Both offer a 1000Hz polling rate in wired and 2.4GHz modes for responsive input.
  • •The EK21's numpad layout can provide extra macro keys for MMOs or simulations.
  • •The LUMA100's full 96% layout includes arrow and navigation keys important for many games.
OfficeEpomaker LUMA100
  • •The LUMA100's 96% layout includes a full numpad, arrow keys, and navigation cluster essential for data entry and spreadsheets.
  • •Its low-profile design and included high-profile feet aim to improve ergonomics for long typing sessions.
  • •The larger 3000mAh battery promises longer wireless use between charges.
ProgrammingEpomaker LUMA100
  • •The LUMA100 provides a complete set of keys including function keys and a navigation cluster, crucial for coding shortcuts and IDE use.
  • •VIA software support on both allows for key remapping, but the LUMA100's full layout offers more keys to customize.
  • •The low-profile switches may reduce finger travel during long coding sessions.
TravelEpomaker EK21
  • •The EK21 is significantly smaller (138mm long) and lighter (200g) than the LUMA100 (371mm long, 620g).
  • •Its compact size makes it easy to pack alongside a laptop or smaller keyboard.
  • •The LUMA100's included storage bag helps, but its larger footprint is less portable.
ModdingTie
  • •Both keyboards are hot-swappable and support VIA for firmware customization.
  • •The EK21 is compatible with standard 3-pin and 5-pin mechanical switches.
  • •The LUMA100 is specifically hot-swappable with low-profile switches, catering to a niche switch type.
Content CreationEpomaker LUMA100
  • •The LUMA100's full layout is better for software like Photoshop or Premiere Pro that uses numerous keyboard shortcuts across the board.
  • •The EK21 could be useful as a secondary device for macro or scrubbing control if paired with a separate main keyboard.
  • •The LUMA100's north-facing RGB lighting with per-key control, as stated by the manufacturer, may offer more lighting customization for setups.

Frequently Asked Questions (FAQ)

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