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Compare Keychron K3 V3 vs K4 HE Differences Side by Side

This comparison is for buyers deciding between Keychron's ultra-portable and high-performance lines. The K3 V3 offers a unique low-profile, 75% form factor, while the K4 HE is a 96% keyboard packed with magnetic switch technology. The decision is difficult because both support QMK/VIA for customization and offer wireless connectivity, but they target fundamentally different user priorities in size, switch type, and feature set.

83
Keychron K3 QMK Wireless Mechanical Keyboard (ISO Layout) - Version 3
91
Keychron K4 HE Wireless Magnetic Switch Custom Keyboard ISO Layout Collection

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0.0 (0)
4.3 (13)
  • Released in 2024
  • Has Linear, Tactile, Clicky switch options
  • Features a low-profile design
  • Available in a 75% layout
  • Built with the ANSI, ISO, ISO-UK, ISO-DE, ISO-SW, ISO-Nordic layout standard
  • Provides dedicated media keys
  • Uses a Top Mount mounting style
  • Supports Bluetooth, Wired, Wireless connectivity
  • Equipped with a 1550 mAh battery
  • Weighs about 540 g
  • Sized at 19 x 306 x 116 mm
  • Made with a ABS, Aluminum case
  • Features PBT, ABS keycaps
  • Offers Yes, Rgb, White, North-face, Rgb North-face, 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
  • Connects via USB-C
  • Utilizes Hall effect sensors
  • Enables rapid trigger functionality
  • Includes screw-in stabilizers
  • Has built-in sound dampening
  • Uses a Tray Mount mounting style
  • Supports Bluetooth, Wired, Wireless, 2.4 GHz connectivity
  • Equipped with a 4000 mAh battery
  • 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: 81.8
  • Build Quality: 81.8
  • Productivity: 70.3
  • Customizability: 90
  • Portability: 74.6
Scores
  • Performance: 92.4
  • Build Quality: 87.1
  • Productivity: 94.2
  • Customizability: 89.8
  • Portability: 56.4
Name
Keychron K3 V3
Name
Keychron K4 HE
Release year
2024
Release year
2025
Switch Options
Linear, Tactile, Clicky
Switch Options
Magnetic, Linear, Tactile, Clicky
Profile
Low Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
75%
Layout Size
96%
Layout Standard
ANSI, ISO, ISO-UK, ISO-DE, ISO-SW, ISO-Nordic
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, Wired, Wireless
Connection
Bluetooth, Wired, Wireless, 2.4 GHz
Polling Rate
1000 Hz
Polling Rate
1000 Hz
Battery capacity
1550 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
Top Mount
Mount Style
Tray Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, White, North-face
Backlight
 
Rgb, North-face
Case Colors
Case Colors
Case Material
ABS, Aluminum
Case Material
Plastic, Aluminum, Wood, ABS
Keycaps Material
PBT, ABS
Keycaps Material
PBT
Dimensions
19 x 306 x 116 mm
Dimensions
41 x 377 x 126 mm
Weight
540g
Weight
1090g
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Pros and Trade-offs

Your primary need dictates the choice. If your priority is a thin, light keyboard for travel or a minimalist desk, the Keychron K3 V3 is the better option. If you want cutting-edge magnetic switches for gaming, need a number pad, and value a long battery life in a stationary setup, the Keychron K4 HE justifies its higher cost and weight. Both offer excellent customization through QMK and VIA.

Keychron K3 V3

  • +Ultra-slim, low-profile design with a 3° typing angle for portability.
  • +Lightweight at 540g, making it easy to transport.
  • +Offers a low-profile typing experience with specific Keychron Milk POM or Gateron low-profile switches.
  • +Includes multiple acoustic foam layers (IXPE, EPDM, latex) for improved sound, according to the vendor description.
  • +Available in a wide variety of ISO layouts including UK, German, Swiss, and Nordic.
  • −Bluetooth polling rate is limited to 90 Hz, which may not be ideal for fast-paced gaming.
  • −Smaller 1550mAh battery compared to many full-size wireless keyboards.
  • −Switch compatibility is limited to specific low-profile mechanical switches, as noted by Keychron.

Keychron K4 HE

  • +Features advanced Gateron double-rail magnetic switches with adjustable actuation points (0.2-3.8mm).
  • +Includes gaming-focused features like Rapid Trigger, Dynamic Keystrokes, and Analog Mode.
  • +Large 4000mAh battery for extended wireless use.
  • +Comprehensive sound-dampening with EVA foam, EPDM foam, a silicone pad, and PET film.
  • +96% layout retains the number pad in a relatively compact form factor.
  • −Heavy at 1090g and larger in size, reducing portability.
  • −Magnetic switch compatibility is restricted to specific Gateron double-rail models only.
  • −More expensive than the K3 V3, based on listed price ranges.

Which Keyboard Is Better for Your Needs?

The K4 HE is the clear choice for gaming and office productivity, thanks to its magnetic switches, full layout, and large battery. The K3 V3 dominates for travel due to its lightweight, low-profile design. For programming and modding, both are equally capable due to shared firmware support and hot-swap sockets. Content creators may prefer the K4 HE for its extra keys and potential for analog input control.

GamingKeychron K4 HE
  • •The K4 HE features adjustable actuation point magnetic switches with 0.1mm sensitivity for precise control.
  • •It includes gaming-specific features like Rapid Trigger, Dynamic Keystrokes, and Last Key Priority, as listed by the manufacturer.
  • •Its 2.4 GHz wireless connection maintains a 1000 Hz polling rate, while the K3 V3's Bluetooth mode drops to 90 Hz.
OfficeKeychron K4 HE
  • •The K4 HE's 96% layout includes a dedicated number pad, which is often essential for data entry.
  • •It has a significantly larger 4000mAh battery, promising longer wireless use between charges.
  • •Its sound-dampening package with EVA foam, EPDM foam, and a silicone pad, as described by Keychron, may be better for shared workspaces.
ProgrammingTie
  • •Both keyboards support QMK and VIA for deep key remapping and macro programming.
  • •The K4 HE offers more keys in its 96% layout, while the K3 V3's 75% layout saves desk space.
  • •Both are compatible with Windows, macOS, and Linux, according to their listings.
TravelKeychron K3 V3
  • •The K3 V3 is significantly lighter at 540g compared to the K4 HE's 1090g.
  • •Its dimensions (306 x 116 mm) are much more compact than the K4 HE (377 x 126 mm).
  • •The K3 V3's low-profile design and 3° typing angle contribute to a slimmer overall package.
ModdingTie
  • •Both keyboards are hot-swappable, allowing for switch changes without soldering.
  • •Both support open-source QMK and VIA firmware for extensive software customization.
  • •The K3 V3 vendor page mentions compatibility with specific low-profile switches, while the K4 HE is compatible with specific Gateron double-rail magnetic switches.
Content CreationKeychron K4 HE
  • •The K4 HE's 96% layout provides quick access to a numpad for timeline scrubbing and numerical inputs.
  • •Features like Analog Mode and Dynamic Keystrokes, as described by Keychron, could allow for nuanced control in creative software.
  • •The larger, heavier build with an aluminum plate and case may provide a more stable typing platform for long sessions.

Frequently Asked Questions (FAQ)

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