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Compare Keychron K2 HE vs K4 HE Differences Side by Side

This comparison is for buyers deciding between two of Keychron's premium magnetic switch keyboards. The choice is difficult because both share identical core technology like Gateron Double-Rail Magnetic switches, 1000Hz polling, QMK/VIA support, and a 4000mAh battery. The decision hinges entirely on layout preference: the K2 HE's 75% form factor saves desk space, while the K4 HE's 96% layout integrates a numpad into a relatively compact frame.

99
Keychron K2 HE Wireless Magnetic Switch Custom Keyboard
92
Keychron K4 HE Wireless Magnetic Switch Custom Keyboard ISO Layout Collection

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4.6 (68)
4.3 (13)
  • Released in 2024
  • Has Linear, Magnetic switch options
  • Available in a 75% layout
  • Built with the ANSI, ISO, ISO-UK, ISO-DE, ISO-ES, ISO-FR, ISO-CH, ISO-Nordic, JIS layout standard
  • Comes with a knob
  • Provides dedicated media keys
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Weighs about 1743 g
  • Sized at 30 x 127 x 41 mm
  • Made with a Aluminum, Wood, ABS, Resin case
  • Features PBT, ABS, PC keycaps
  • Offers Yes, Rgb, North-face, Rgb North-face, White, White North-face RGB lighting
  • Released in 2025
  • Has Magnetic, Linear, Tactile, Clicky switch options
  • Available in a 96% layout
  • Built with the ISO, ISO-UK, ISO-DE, ISO-CH, ISO-ES, ISO-FR, ISO-SW, ISO-Nordic, ANSI layout standard
  • Supports Bluetooth, Wired, Wireless, 2.4 GHz connectivity
  • Weighs about 1090 g
  • Sized at 41 x 377 x 126 mm
  • Made with a Plastic, Aluminum, Wood, ABS case
  • Features PBT keycaps
  • Offers Yes, Rgb, North-face, Rgb North-face RGB lighting
Scores
  • Performance: 93.5
  • Build Quality: 90.7
  • Productivity: 97
  • Customizability: 99.7
  • Portability: 81.5
Scores
  • Performance: 92.4
  • Build Quality: 87.1
  • Productivity: 94.5
  • Customizability: 90.2
  • Portability: 56.3
Name
Keychron K2 HE
Name
Keychron K4 HE
Release year
2024
Release year
2025
Switch Options
Linear, Magnetic
Switch Options
Magnetic, Linear, Tactile, Clicky
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
75%
Layout Size
96%
Layout Standard
ANSI, ISO, ISO-UK, ISO-DE, ISO-ES, ISO-FR, ISO-CH, ISO-Nordic, JIS
Layout Standard
ISO, ISO-UK, ISO-DE, ISO-CH, ISO-ES, ISO-FR, ISO-SW, ISO-Nordic, 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, Wired, Wireless, 2.4 GHz
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
Tray Mount
Mount Style
Tray Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, North-face, White
Backlight
 
Rgb, North-face
Case Colors
Case Colors
Case Material
Aluminum, Wood, ABS, Resin
Case Material
Plastic, Aluminum, Wood, ABS
Keycaps Material
PBT, ABS, PC
Keycaps Material
PBT
Dimensions
30 x 127 x 41 mm
Dimensions
41 x 377 x 126 mm
Weight
1743g
Weight
1090g
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Pros and Trade-offs

Your primary need dictates the choice. If your workflow demands a numpad or you prioritize having all keys on a condensed board, the Keychron K4 HE is the logical pick. If you value a cleaner desk, more mouse space for gaming, or plan to travel with your keyboard, the Keychron K2 HE's 75% layout is the superior tool. Both deliver an identical top-tier magnetic switch experience.

Keychron K2 HE

  • +Compact 75% layout saves considerable desk space.
  • +Lighter weight (980g) and smaller dimensions for better portability.
  • +Metadata lists both tray and plate mount styles, and a DIY kit option for builders.
  • +Vendor description details multiple sound-dampening foams (EVA, EPDM, silicone, PET).
  • +Includes 'knob support' as a listed feature.
  • −Lacks a dedicated numpad and some navigation keys.
  • −The included cable is noted in reviews as being relatively short.
  • −Compatible only with specific Gateron Double-Rail Magnetic switches, limiting switch variety.

Keychron K4 HE

  • +96% layout includes a full numpad and arrow keys in a compact form factor.
  • +Ideal for data entry, accounting, and software requiring frequent number input.
  • +Shares all high-end features with the K2 HE: magnetic switches, 1000Hz wireless, QMK/VIA.
  • +Built with PBT keycaps and an aluminum frame for durability.
  • −Larger and heavier (1090g) than the K2 HE, less portable.
  • −Uses plate-mounted stabilizers, whereas the K2 HE uses screw-in PCB stabilizers.
  • −The product listing does not mention a barebones kit or knob support option.

Which Keyboard Is Better for Your Needs?

The K4 HE is the definitive choice for office work and content creation where a numpad is non-negotiable. The K2 HE wins for gaming, travel, and modding due to its smaller size, potential mounting options, and barebones availability. For programming, it's a tie, as both offer superb firmware customization, leaving the choice to personal layout preference between compactness and dedicated keys.

GamingKeychron K2 HE
  • •The 75% layout of the K2 HE provides more mouse space for low-sensitivity gaming.
  • •Both offer identical gaming-centric features: 1000Hz polling, rapid trigger, adjustable actuation (0.2-3.8mm), and analog mode.
  • •The K2 HE is listed with a 'knob support' feature, which the K4 HE listing does not mention, potentially offering more control customization.
OfficeKeychron K4 HE
  • •The K4 HE's 96% layout includes a dedicated numpad, essential for data entry and accounting.
  • •Both support Mac and Windows layouts and can connect to three devices via Bluetooth for multitasking.
  • •The K4 HE's plate-mounted stabilizers, as listed, may differ from the K2 HE's screw-in PCB stabilizers, but both are designed for stable typing.
ProgrammingTie
  • •Both keyboards support QMK and VIA for extensive key remapping and macro creation.
  • •The K2 HE offers a more compact footprint, while the K4 HE provides dedicated navigation clusters (Home, End, etc.) within its 96% layout.
  • •Each features hot-swappable magnetic switches and PBT keycaps for long-term durability.
TravelKeychron K2 HE
  • •The K2 HE is significantly smaller (45 x 150 x 155 mm vs 41 x 377 x 126 mm for the K4 HE).
  • •It is lighter (980g vs 1090g), making it easier to transport.
  • •Both have the same 4000mAh battery and wireless connectivity, but the K2 HE's compactness is a clear advantage for mobility.
ModdingKeychron K2 HE
  • •The K2 HE listing includes both tray mount and plate mount styles, suggesting more mounting flexibility than the K4 HE's tray-only mount.
  • •It is explicitly listed with a 'DIY Kit/Barebones' option, which the K4 HE metadata does not mention.
  • •Both are hot-swappable, but the K2 HE's vendor description details more internal foam layers (EVA, EPDM, silicone pad, PET film) for acoustic tuning.
Content CreationKeychron K4 HE
  • •The K4 HE's numpad is invaluable for shortcut macros in video/photo editing software.
  • •The larger layout provides more immediate access to dedicated function and navigation keys.
  • •Both share the same magnetic switch features like Dynamic Keystrokes for assigning multiple actions per key, useful for complex software workflows.

Frequently Asked Questions (FAQ)

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