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Compare Epomaker Luma40 vs Keychron K5 QMK V2 Differences Side by Side

This comparison is for users deciding between a highly specialized compact keyboard and a traditional full-size workhorse. The choice is difficult because both boards offer premium features like QMK/VIA programmability, hot-swappable low-profile switches, and multi-mode wireless connectivity. Your decision hinges entirely on whether you prioritize saving desk space and portability or require a complete layout with a number pad and function row for immediate access.

87
EPOMAKER LUMA40
84
Keychron K5 QMK Wireless Mechanical Keyboard (ISO Layout) - Version 2

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5.0 (3)
5.0 (2)
  • Released in 2025
  • Has Clicky, Linear switch options
  • Available in a 40% layout
  • Built with the ANSI layout standard
  • Offers Ortholinear ergonomics
  • Has built-in sound dampening
  • Uses a Tray Mount mounting style
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Equipped with a 1450 mAh battery
  • Weighs about 410 g
  • Sized at 21 x 240 x 87 mm
  • Made with a Aluminum case
  • Features PC keycaps
  • Offers Yes, Rgb, North-face, Rgb North-face RGB lighting
  • Released in 2024
  • Has Linear, Tactile, Clicky switch options
  • Available in a 100% layout
  • Built with the ISO-DE, ISO-Nordic, ISO-UK, ISO, ANSI layout standard
  • Offers Normal ergonomics
  • Provides dedicated media keys
  • Uses a PCB Mount mounting style
  • Supports Bluetooth, Wired, Wireless connectivity
  • Equipped with a 2000 mAh battery
  • Made with a ABS, Aluminum case
  • Features ABS keycaps
  • Offers Yes, Rgb, White, North-face, Rgb North-face RGB lighting
Scores
  • Performance: 74
  • Build Quality: 81.3
  • Productivity: 88.6
  • Customizability: 86.1
  • Portability: 85.3
Scores
  • Performance: 81.8
  • Build Quality: 78.3
  • Productivity: 80.1
  • Customizability: 89.6
  • Portability: 53.9
Name
Epomaker Luma40
Name
Keychron K5 QMK V2
Release year
2025
Release year
2024
Switch Options
Clicky, Linear
Switch Options
Linear, Tactile, Clicky
Profile
Low Profile
Profile
Low Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
40%
Layout Size
100%
Layout Standard
ANSI
Layout Standard
ISO-DE, ISO-Nordic, ISO-UK, ISO, ANSI
Layout Ergonomics
Ortholinear
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, Wired, Wireless
Polling Rate
1000 Hz
Polling Rate
1000 Hz
Battery capacity
1450 mAh
Battery capacity
2000 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
Tray Mount
Mount Style
PCB Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, North-face
Backlight
 
Rgb, White, North-face
Case Colors
Case Colors
Case Material
Aluminum
Case Material
ABS, Aluminum
Keycaps Material
PC
Keycaps Material
ABS
Dimensions
21 x 240 x 87 mm
Dimensions
-
Weight
410g
Weight
-
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Pros and Trade-offs

Your primary need dictates the choice. If you must have a number pad, arrow keys, and a full set of dedicated keys without learning layers, the Keychron K5 QMK V2 is the necessary pick. If you value a minimalist desk, extreme portability, and are willing to master a layered ortholinear layout, the Epomaker Luma40 offers a unique and capable package. Both provide excellent programmability and a low-profile typing experience.

Epomaker Luma40

  • +Ultra-compact 40% ortholinear layout saves substantial desk space.
  • +Tri-mode connectivity includes 2.4 GHz, Bluetooth, and wired USB-C.
  • +Full aluminum case construction for a premium feel.
  • +Includes sound dampening with a switch pad and bottom sponge.
  • +Comes with a keycap/switch puller and three extra switches.
  • −40% layout requires heavy use of layers for numbers, function keys, and symbols.
  • −Smaller 1450mAh battery compared to the K5.
  • −Lacks dedicated arrow keys, number pad, and function row.

Keychron K5 QMK V2

  • +Full 100% layout with number pad, arrow keys, and function row.
  • +Larger 2000mAh battery capacity.
  • +Includes multiple acoustic foam layers (IXPE, EPDM, latex) for sound tuning.
  • +Offers adjustable typing angles for ergonomics.
  • +Available in multiple ISO layouts (DE, Nordic, UK, CH).
  • −Larger full-size form factor is less portable.
  • −Lacks a 2.4 GHz wireless mode, relying on Bluetooth and wired.
  • −Case uses an ABS and aluminum frame, not full aluminum.

Which Keyboard Is Better for Your Needs?

The Keychron K5 QMK V2 is the clear choice for office work, content creation, and any task requiring a full number pad and immediate key access. The Epomaker Luma40 dominates for travel and saves desk space for gaming, though it requires adaptation to its 40% layout. For programming and modding, both are capable, with the decision leaning on layout preference versus built-in acoustic foams.

GamingEpomaker Luma40
  • •Includes a dedicated 2.4 GHz wireless mode for lower latency gaming, with manufacturer-stated latency of 5ms.
  • •Its compact 40% size frees up significant desk space for large mouse movements.
  • •Supports N-key rollover for simultaneous key presses.
OfficeKeychron K5 QMK V2
  • •Full 100% layout includes a dedicated number pad and function row, essential for data entry and spreadsheet work.
  • •Includes 12 multimedia keys for quick control of volume and playback.
  • •Larger 2000mAh battery promises longer untethered use.
ProgrammingTie
  • •Both support deep customization via QMK and VIA firmware for creating coding macros and layers.
  • •The Luma40's ortholinear layout may reduce finger strain during long sessions, according to its vendor page.
  • •The K5's full layout provides immediate access to symbols and brackets without layer switching.
TravelEpomaker Luma40
  • •Extremely compact 40% form factor (240mm wide) is easier to pack and carry.
  • •Lighter weight at 410g compared to the full-size K5.
  • •Includes a detachable wrist strap with tools, as listed in the box contents.
ModdingKeychron K5 QMK V2
  • •PCB mount style can offer a different typing feel compared to tray mount.
  • •Vendor description mentions redesigned stabilizers for larger keys.
  • •Comes with multiple foam layers (IXPE, EPDM, latex) for acoustic tuning out of the box.
Content CreationKeychron K5 QMK V2
  • •Full layout allows for dedicated shortcut keys without relying on complex layers during creative workflows.
  • •Adjustable typing angles (3.37º, 4.36º, 6.56º) offer ergonomic support for long editing sessions.
  • •Includes multimedia keys for controlling timeline and audio during video editing.

Frequently Asked Questions (FAQ)

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