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Compare Keychron K4 Max vs K4 Pro Differences Side by Side

This comparison is for buyers deciding between two of Keychron's popular 96% layout wireless keyboards. The choice is difficult because they share core features like QMK/VIA programmability, hot-swap sockets, and a 4000mAh battery. The decision hinges on whether you need the low-latency 2.4GHz connection of the K4 Max for gaming, or if the K4 Pro's lower cost and extensive ISO layout support better suit your budget and regional needs.

87
Keychron K4 Max QMK Wireless Mechanical Keyboard ISO Layout Collection
92
Keychron K4 Pro QMK/VIA Wireless Mechanical Keyboard

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5.0 (1)
4.7 (7)
  • Released in 2025
  • Built with the ISO, ANSI layout standard
  • Uses a PCB Mount mounting style
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • 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
  • Built with the ANSI, ISO, ISO-DE, ISO-ES, ISO-FR, ISO-Nordic, ISO-SW, ISO-UK layout standard
  • Connects via USB-C
  • Uses a Tray Mount mounting style
  • Supports Bluetooth, Wired, Wireless connectivity
  • Weighs about 1280 g
  • Sized at 31 x 391 x 139 mm
  • Made with a Plastic, ABS case
  • Features PBT, ABS keycaps
  • Offers Yes, Rgb, White, South-face, Rgb South-face, White South-face RGB lighting
Scores
  • Performance: 81.9
  • Build Quality: 80.3
  • Productivity: 89.3
  • Customizability: 93.1
  • Portability: 50.7
Scores
  • Performance: 81.2
  • Build Quality: 83.9
  • Productivity: 94.6
  • Customizability: 97.2
  • Portability: 53.5
Name
Keychron K4 Max
Name
Keychron K4 Pro
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
96%
Layout Standard
ISO, ANSI
Layout Standard
ANSI, ISO, ISO-DE, ISO-ES, ISO-FR, ISO-Nordic, ISO-SW, ISO-UK
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, Wired, Wireless
Polling Rate
1000 Hz
Polling Rate
1000 Hz
Battery capacity
4000 mAh
Battery capacity
4000 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
PCB Mount
Mount Style
Tray Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, South-face, White, White South-face
Backlight
 
Rgb, White, South-face, White South-face
Case Colors
Case Colors
Case Material
ABS
Case Material
Plastic, ABS
Keycaps Material
PBT
Keycaps Material
PBT, ABS
Dimensions
31 x 391 x 140 mm
Dimensions
31 x 391 x 139 mm
Weight
1290g
Weight
1280g
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Pros and Trade-offs

If low-latency wireless performance for gaming is your priority, the Keychron K4 Max is the necessary choice. For everyone else, the Keychron K4 Pro delivers nearly identical core functionality—programmability, hot-swap, and wireless Bluetooth—at a more accessible price, with the added benefit of barebone kits and extensive layout support. Evaluate whether the 2.4GHz dongle is worth the premium for your specific needs.

Keychron K4 Max

  • +Includes a 2.4GHz wireless connection alongside Bluetooth and wired modes.
  • +Features multiple layers of acoustic foam (IXPE, PET, EPDM) for sound dampening.
  • +Uses a PCB mount style for its switch plate.
  • +Comes with Keychron Super switches, which the manufacturer claims have a 50-million-click lifespan.
  • −Typically commands a higher price than the K4 Pro.
  • −Offers fewer pre-configured ISO layout options compared to the K4 Pro.
  • −The vendor description does not mention availability in a barebone kit version.

Keychron K4 Pro

  • +Generally available at a lower price point than the K4 Max.
  • +Offers a barebone kit version for custom builds.
  • +Supports a wide array of ISO layouts (UK, German, French, Nordic, Spanish, Swiss).
  • +Comes with pre-lubed Keychron K Pro switches (excluding clicky variants) for a smoother stock feel.
  • −Lacks a 2.4GHz wireless connection, offering only Bluetooth and wired modes.
  • −Uses a tray mount style for its switch plate.
  • −Keycap material is listed as potentially ABS, whereas the K4 Max specifically lists PBT.

Which Keyboard Is Better for Your Needs?

The K4 Max has a clear advantage for gaming due to its 2.4GHz mode. For modding, the K4 Pro wins by offering a barebone kit and more regional layout options. For office work, programming, travel, and content creation, the keyboards are effectively tied, sharing nearly all relevant productivity and ergonomic features. Your primary use case will dictate which minor differentiator matters most.

GamingKeychron K4 Max
  • •Includes a dedicated 2.4GHz wireless connection with a 1000 Hz polling rate for lower latency.
  • •The manufacturer states its powerful MCU makes latency 'hardly noticeable even in competitive games' on 2.4GHz and wired modes.
  • •Uses a PCB mount style, which some enthusiasts prefer for a more consistent typing feel.
OfficeTie
  • •Both support Bluetooth 5.1 for connecting to up to three devices, ideal for multitasking.
  • •Both include dedicated Mac and Windows keycaps and a system toggle.
  • •Both feature a 96% layout that retains the numpad in a compact form factor.
ProgrammingTie
  • •Both are fully programmable via open-source QMK firmware and the Keychron Launcher web app.
  • •Both have hot-swappable PCBs for easy switch customization.
  • •Both offer south-facing RGB to avoid interference with Cherry-profile keycaps.
TravelTie
  • •They have nearly identical weights (1290g vs 1280g) and dimensions.
  • •Both offer the same 4000mAh battery capacity for wireless use.
  • •Both provide Bluetooth wireless connectivity for use with mobile devices.
ModdingKeychron K4 Pro
  • •Available in a barebone kit version (without switches and keycaps) for custom builds.
  • •Vendor descriptions mention it supports third-party screw-in PCB stabilizers.
  • •Offers a wider selection of pre-built ISO layouts (UK, German, Nordic, etc.) for regional modders.
Content CreationTie
  • •Both feature a 96% layout with a numpad for numerical input.
  • •Both have multimedia keys for controlling media playback.
  • •Both provide adjustable typing angles (3, 7, and 10 degrees) for ergonomic comfort during long sessions.

Frequently Asked Questions (FAQ)

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