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Compare Keychron K4 Pro vs K5 Max Differences Side by Side

This comparison is for buyers deciding between Keychron's K4 Pro and K5 Max. The K4 Pro brings a 96% layout with a steel plate and large 4000mAh battery, while the K5 Max offers 100% layout with a low-profile aluminum frame and 2.4 GHz connectivity. The decision is tough because each excels in different areas, the K4 Pro appeals to enthusiasts who want a standard height board with deep customization, while the K5 Max attracts users wanting an ultra-slim design with faster wireless performance.

92
Keychron K4 Pro QMK/VIA Wireless Mechanical Keyboard
86
Keychron K5 Max QMK Kabellose Benutzerdefinierte Mechanische Tastatur ISO Layout Kollektion

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4.7 (7)
3.9 (23)
  • Released in 2022
  • Available in a 96% layout
  • Built with the ANSI, ISO, ISO-DE, ISO-ES, ISO-FR, ISO-Nordic, ISO-SW, ISO-UK layout standard
  • Includes screw-in stabilizers
  • Uses a Tray Mount mounting style
  • Supports Bluetooth, Wired, Wireless connectivity
  • Equipped with a 4000 mAh battery
  • Weighs about 1280 g
  • Sized at 31 x 391 x 139 mm
  • Made with a Plastic, ABS case
  • Offers Yes, Rgb, White, South-face, Rgb South-face, White South-face RGB lighting
  • Released in 2024
  • Features a low-profile design
  • Available in a 100% layout
  • Built with the ISO-DE, ISO-Nordic, ISO-UK, ISO, ANSI layout standard
  • Uses a PCB Mount mounting style
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Equipped with a 2000 mAh battery
  • Weighs about 720 g
  • Sized at 18 x 424 x 119 mm
  • Made with a ABS, Aluminum case
  • Offers Yes, Rgb, White, North-face, Rgb North-face, White North-face RGB lighting
Scores
  • Performance: 81.5
  • Build Quality: 83.9
  • Productivity: 94.7
  • Customizability: 97.3
  • Portability: 53.6
Scores
  • Performance: 82.5
  • Build Quality: 81.9
  • Productivity: 89.6
  • Customizability: 90.2
  • Portability: 54.5
Name
Keychron K4 Pro
Name
Keychron K5 Max
Release year
2022
Release year
2024
Switch Options
Linear, Tactile, Clicky
Switch Options
Linear, Tactile, Clicky
Profile
Normal Profile
Profile
Low Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
96%
Layout Size
100%
Layout Standard
ANSI, ISO, ISO-DE, ISO-ES, ISO-FR, ISO-Nordic, ISO-SW, ISO-UK
Layout Standard
ISO-DE, ISO-Nordic, ISO-UK, ISO, 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, Wired, Wireless
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate
1000 Hz
Polling Rate
1000 Hz
Battery capacity
4000 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, White, South-face, White South-face
Backlight
 
Rgb, White, North-face
Case Colors
Case Colors
Case Material
Plastic, ABS
Case Material
ABS, Aluminum
Keycaps Material
PBT, ABS
Keycaps Material
PBT, ABS
Dimensions
31 x 391 x 139 mm
Dimensions
18 x 424 x 119 mm
Weight
1280g
Weight
720g
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Pros and Trade-offs

Choose the Keychron K4 Pro if you prioritize a compact layout, long battery life, and the ability to swap in any MX mechanical switch for modding. Go with the Keychron K5 Max if you need an ultra-slim design, lighter weight for travel, and 2.4 GHz gaming-grade wireless. The K4 Pro is the better all-rounder for customization and office use, while the K5 Max excels in portability and gaming.

Keychron K4 Pro

  • +Large 4000mAh battery offers extended wireless use.
  • +Steel plate and sound-dampening foam improve typing feel and acoustics.
  • +Screw-in PCB stabilizers reduce wobble on big keys.
  • +OSA profile double-shot PBT keycaps resist oil and wear.
  • +Full QMK and VIA support enables deep customization.
  • −Heavier at 1280g, less portable for travel.
  • −Tray mount design may feel less sturdy than gasket mount boards.
  • −No 2.4 GHz wireless, only Bluetooth and wired.

Keychron K5 Max

  • +Ultra-slim low-profile design with aluminum frame at 720g.
  • +2.4 GHz wireless with 1000 Hz polling rate for low latency.
  • +Interior IXPE acoustic foam reduces typing noise.
  • +Redesigned stabilizers for consistent big key performance.
  • −Low-profile switch compatibility limited to Gateron and Keychron low-profile MX switches.
  • −Smaller 2000mAh battery requires more frequent charging.
  • −North-facing RGB may have compatibility issues with some aftermarket keycaps.
  • −Higher price point for similar feature set.

Which Keyboard Is Better for Your Needs?

The K4 Pro wins in productivity-focused roles like office work, programming, and content creation, thanks to its compact layout, large battery, and deep customizability. The K5 Max takes the lead in gaming and travel, where its low weight, slim profile, and 2.4 GHz wireless provide clear advantages. For modding, the K4 Pro's steel plate and universal MX switch support make it the better platform. Overall, the K4 Pro is the enthusiast's choice for customization, while the K5 Max targets users who prioritize portability and gaming latency.

GamingKeychron K5 Max
  • •Features 2.4 GHz wireless with 1000 Hz polling rate out of the box, suitable for competitive gaming.
  • •Low-profile design and lighter 720g weight reduce wrist fatigue during long sessions.
  • •Includes interior acoustic IXPE foam for quieter keystrokes.
  • •North-facing RGB lights provide brighter backlight for gaming in dim environments.
OfficeKeychron K4 Pro
  • •Large 4000mAh battery lasts longer between charges, reducing downtime.
  • •96% layout retains function row and numpad while saving desk space.
  • •Sound-absorbing foam and silicone dampening pad create a quieter typing experience.
  • •OSA profile double-shot PBT keycaps offer oil resistance for heavy daily use.
ProgrammingKeychron K4 Pro
  • •Full QMK and VIA support allows extensive key remapping and macro creation.
  • •Screw-in PCB stabilizers provide stable and smooth big key presses.
  • •Three adjustable typing angles (3, 7, 10 degrees) improve ergonomics over coding sessions.
  • •Standard height keycaps are more familiar for fast typists.
TravelKeychron K5 Max
  • •Weighs 720g, significantly lighter than the K4 Pro's 1280g, making it easier to carry.
  • •Ultra-slim low-profile design fits easily into bags without adding bulk.
  • •2.4 GHz dongle provides reliable wireless connection in crowded public spaces.
ModdingKeychron K4 Pro
  • •Hot-swappable sockets support nearly all 3pin and 5pin MX switches for wide choice.
  • •Steel plate provides a rigid base for experimentation.
  • •Sound-dampening foam and silicone pad can be easily replaced or upgraded.
  • •Screw-in stabilizers can be swapped with third-party options.
Content CreationKeychron K4 Pro
  • •96% layout saves desk space for a tablet or drawing pad while keeping numpad.
  • •4000mAh battery ensures long wireless operation during editing sessions.
  • •VIA support enables custom shortcuts for editing software.

Frequently Asked Questions (FAQ)

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