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Compare Keychron K4 Max vs Q4 Differences Side by Side

This comparison is for buyers deciding between Keychron's feature-packed wireless workhorse and their compact, premium metal offering. The choice hinges on whether you prioritize a full layout with multi-device connectivity or a denser, more portable build with superior materials. Both support deep customization via QMK and VIA, making the decision about core use rather than capability.

87
Keychron K4 Max QMK Wireless Mechanical Keyboard ISO Layout Collection
92
Keychron Q4 QMK Custom Mechanical Keyboard

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5.0 (1)
4.8 (18)
  • Released in 2025
  • Available in a 96% layout
  • Built with the ISO, ANSI layout standard
  • Features N-key rollover
  • Uses a PCB Mount mounting style
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Equipped with a 4000 mAh battery
  • Weighs about 1290 g
  • Sized at 31 x 391 x 140 mm
  • Made with a ABS case
  • Features PBT keycaps
  • Offers Yes, Rgb, South-face, Rgb South-face, White, White South-face RGB lighting
  • Released in 2022
  • Available in a 60% layout
  • Built with the ANSI, ISO, JIS, ISO-DE, ISO-Nordic, ISO-UK, ISO-FR, ISO-ES, ISO-SW layout standard
  • Comes with a knob
  • Connects via USB-C
  • Uses a Gasket Mount mounting style
  • Supports Wired, Wired only connectivity
  • Weighs about 1500 g
  • Sized at 20 x 121 x 303 mm
  • Made with a Aluminum case
  • Features PBT, ABS keycaps
  • Offers Yes, Rgb, South-face, Rgb South-face RGB lighting
Scores
  • Performance: 82
  • Build Quality: 80.3
  • Productivity: 89.4
  • Customizability: 93
  • Portability: 50.8
Scores
  • Performance: 67.4
  • Build Quality: 89.7
  • Productivity: 95.3
  • Customizability: 100
  • Portability: 71.5
Name
Keychron K4 Max
Name
Keychron Q4
Release year
2025
Release year
2022
Switch Options
Linear, Tactile, Clicky
Switch Options
Linear, Tactile, Clicky
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
96%
Layout Size
60%
Layout Standard
ISO, ANSI
Layout Standard
ANSI, ISO, JIS, ISO-DE, ISO-Nordic, ISO-UK, ISO-FR, ISO-ES, ISO-SW
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
Wired, Wired only
Polling Rate
1000 Hz
Polling Rate
1000 Hz
Battery capacity
4000 mAh
Battery capacity
-
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
PCB Mount
Mount Style
Gasket Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, South-face, White, White South-face
Backlight
 
Rgb, South-face
Case Colors
Case Colors
Case Material
ABS
Case Material
Aluminum
Keycaps Material
PBT
Keycaps Material
PBT, ABS
Dimensions
31 x 391 x 140 mm
Dimensions
20 x 121 x 303 mm
Weight
1290g
Weight
1500g
*Something incorrect or missing? Please
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Pros and Trade-offs

Your primary need dictates the choice. If you require wireless freedom, a numpad, and a full set of navigation keys, the Keychron K4 Max is the clear and versatile option. If you value desk space, a premium metal build, and a superior typing feel as a foundation for customization, the wired Keychron Q4 is the more focused and high-end tool. Both offer excellent customization via hot-swap and QMK/VIA.

Keychron K4 Max

  • +Tri-mode connectivity with 2.4 GHz, Bluetooth 5.1, and wired operation.
  • +96% layout retains the numpad and navigation keys in a relatively compact form.
  • +Includes multiple layers of acoustic foam (IXPE, PET, EPDM) for sound dampening.
  • +Hot-swappable PCB supports both 3-pin and 5-pin MX-style switches.
  • +Adjustable typing angle with three preset levels (3°, 7°, 10°).
  • −Larger and heavier footprint (391mm long, 1290g) compared to compact boards.
  • −Case is constructed from ABS plastic, not metal.
  • −Requires battery management due to its wireless features.

Keychron Q4

  • +Full CNC machined 6063 aluminum case for a premium, solid feel.
  • +Double gasket mount design with silicone pads for a tuned typing feel and sound.
  • +Extremely compact 60% layout saves substantial desk space.
  • +Available as a barebones kit for maximum customization from the start.
  • +Screw-in PCB stabilizers support third-party replacements like Cherry or Durock.
  • −Wired-only connectivity, with no wireless option.
  • −60% layout lacks dedicated arrow keys, function row, and numpad, requiring layer use.
  • −Heavier weight (1500g) for its size due to the metal construction.

Which Keyboard Is Better for Your Needs?

The K4 Max wins for office use, gaming, and content creation due to its wireless connectivity and inclusive 96% layout with a numpad. The Q4 is the better travel companion and modding platform thanks to its compact 60% size and premium aluminum gasket-mount construction. For programming, the choice is a draw and depends entirely on the coder's preference for a dedicated numpad versus a minimal layer-based workflow.

GamingKeychron K4 Max
  • •The K4 Max offers a 1000 Hz polling rate on both its 2.4 GHz wireless and wired connections, which the manufacturer states makes latency hardly noticeable.
  • •Its 96% layout retains dedicated arrow and navigation keys, which are useful for many games without requiring layer commands.
  • •The wireless connectivity provides cable-free desk management.
OfficeKeychron K4 Max
  • •The K4 Max's 96% layout includes a numpad and navigation cluster, which are essential for data entry and spreadsheet work.
  • •It supports wireless Bluetooth 5.1 for connecting to three devices, facilitating easy switching between a computer, phone, and tablet.
  • •It includes dedicated multimedia keys and a system toggle for Mac/Windows compatibility.
ProgrammingTie
  • •Both keyboards support QMK and VIA for extensive key remapping and macro creation, which is critical for coding workflows.
  • •The K4 Max provides a numpad for numerical input, while the Q4's 60% layout forces heavy reliance on layers, which some programmers prefer for ergonomics.
  • •Both feature south-facing RGB LEDs, which prevent interference with Cherry-profile keycaps often used in custom sets.
TravelKeychron Q4
  • •The Q4 is significantly more compact, measuring 303mm in length compared to the K4 Max's 391mm.
  • •The Q4 is a wired-only keyboard, eliminating the need to manage battery charging while on the go.
  • •Its all-aluminum CNC case provides robust protection in a bag.
ModdingKeychron Q4
  • •The Q4 features a gasket mount design with silicone pads, which is a favored modding platform for tuning acoustics and feel.
  • •It has a full CNC machined aluminum case, which is a premium starting point for custom builds.
  • •It is available in a barebones kit version, allowing users to install their own switches and keycaps from the start.
Content CreationKeychron K4 Max
  • •The K4 Max's 96% layout includes a numpad, which is useful for shortcut macros in video and photo editing software.
  • •Wireless connectivity reduces cable clutter on a production desk.
  • •The adjustable typing angle (3, 7, and 10 degrees) and OSA profile keycaps offer ergonomic support for long sessions.

Frequently Asked Questions (FAQ)

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