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Compare Keychron C4 HE vs K4 V3 Differences Side by Side

This comparison is for buyers deciding between two Keychron keyboards that share QMK/VIA support, hot-swappable options, and PBT keycaps but differ in connectivity and switch technology. The C4 HE is a wired full-size board with an 8000 Hz polling rate and Hall Effect magnetic switches, while the K4 V3 is a 96% wireless board with Bluetooth 5.2, a 4000 mAh battery, and a tray mount. The decision is hard because both cover office and programming well, so the real question is whether you need wireless freedom and ISO layout options or wired low-latency Hall Effect input.

90
Keychron C4 HE 8K Magnetic Switch Keyboard
91
Keychron K4 QMK Wireless Mechanical Keyboard (ISO Layout) - Version 3

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0.0 (0)
5.0 (4)
  • Released in 2026
  • Available in a 100% layout
  • Built with the ANSI layout standard
  • Utilizes Hall effect sensors
  • Uses a Gasket Mount mounting style
  • Supports Wired, Wired only connectivity
  • Runs at a 8000 Hz polling rate
  • Weighs about 970 g
  • Sized at 30 x 446 x 138 mm
  • Features PBT keycaps
  • Offers Yes, Rgb, North-face, Rgb North-face RGB lighting
  • Released in 2025
  • Available in a 96% layout
  • Built with the ISO, ISO-UK, ISO-DE, ISO-CH, ISO-Nordic, ANSI layout standard
  • Features N-key rollover
  • Uses a Tray Mount mounting style
  • Supports Bluetooth, Wired, Wireless connectivity
  • Runs at a 1000 Hz polling rate
  • Equipped with a 4000 mAh battery
  • Features PC, PBT keycaps
  • Offers Yes, Rgb, White, South-face, Rgb South-face, White South-face, North-face, Rgb North-face, White North-face RGB lighting
Scores
  • Performance: 89.2
  • Build Quality: 83.1
  • Productivity: 95.3
  • Customizability: 92.1
  • Portability: 45.3
Scores
  • Performance: 82.1
  • Build Quality: 84
  • Productivity: 95.1
  • Customizability: 96.2
  • Portability: 53.9
Name
Keychron C4 HE
Name
Keychron K4 V3
Release year
2026
Release year
2025
Switch Options
Linear, Tactile, Clicky
Switch Options
Linear, Tactile, Clicky
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
100%
Layout Size
96%
Layout Standard
ANSI
Layout Standard
ISO, ISO-UK, ISO-DE, ISO-CH, 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
Wired, Wired only
Connection
Bluetooth, Wired, Wireless
Polling Rate
8000 Hz
Polling Rate
1000 Hz
Battery capacity
-
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
Gasket Mount
Mount Style
Tray Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, North-face
Backlight
 
Rgb, White, South-face, White South-face, North-face
Case Colors
Case Colors
Case Material
Plastic
Case Material
Plastic
Keycaps Material
PBT
Keycaps Material
PC, PBT
Dimensions
30 x 446 x 138 mm
Dimensions
-
Weight
970g
Weight
-
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Pros and Trade-offs

Pick the C4 HE if you play competitively or want Hall Effect adjustable actuation and 8000 Hz polling, and you are fine with a wired full-size board. Pick the K4 V3 if you need Bluetooth 5.2 wireless across multiple devices, a 4000 mAh battery, ISO layout options, or a smaller 96% footprint for travel and modding. Both share QMK and Launcher support, so the switch technology and connectivity are the deciding factors.

Keychron C4 HE

  • +8000 Hz polling rate in Type-C wired mode, switchable among 1000 Hz, 4000 Hz, and 8000 Hz via Keychron Launcher.
  • +Hall Effect magnetic switches with adjustable actuation points, configured in the Launcher web app.
  • +Gasket mount with a steel plate and EVA acoustic foam, plus screw-in PCB stabilizers on the hot-swappable version.
  • +Full-size 100% ANSI layout with a numpad and multi-media keys.
  • +Double-shot Cherry profile PBT keycaps and north-facing RGB with 22+ backlight modes.
  • −Wired only, with no Bluetooth or battery, so it is tethered to a desk setup.
  • −Hot-swap compatibility is limited to Hall Effect magnetic switches rather than the broader MX-style switch range.
  • −At 970g and 446 mm wide, it is the larger and heavier of the two for travel.
  • −Keychron's listing shows the C4 HE as backordered, and there are no user reviews yet.

Keychron K4 V3

  • +Bluetooth 5.2 wireless with support for up to 3 devices, plus a USB Type-C wired mode.
  • +4000 mAh battery supports wireless multitasking across a laptop, phone, and tablet.
  • +96% layout with a numpad in a 368.14 x 121.14 mm footprint at about 813 g.
  • +Hot-swappable version accepts 3-pin and 5-pin MX-style switches from Cherry, Gateron, Kailh, and Panda.
  • +ISO layout options available in UK, German, Nordic, and Swiss variants, alongside ANSI.
  • −1000 Hz polling rate, which is lower than the C4 HE's 8000 Hz wired mode.
  • −Tray mount rather than the C4 HE's gasket mount, and the non-hot-swappable version omits sound-absorbing foam and silicone pad.
  • −The non-hot-swappable version uses plate-mounted stabilizers rather than screw-in PCB stabilizers.
  • −Bluetooth wake from sleep is described by a reviewer as taking a while after long idle periods.

Which Keyboard Is Better for Your Needs?

The C4 HE takes gaming on the strength of its 8000 Hz polling rate and Hall Effect switches, and the K4 V3 takes office, travel, and modding thanks to Bluetooth 5.2, a 4000 mAh battery, a smaller 96% footprint, and broader MX switch compatibility. Programming and content creation come out even because both boards share QMK and Launcher support, PBT keycaps, and RGB. The split is essentially wired low-latency versus wireless flexibility, with the K4 V3 also offering ISO layout options that the C4 HE does not list.

GamingKeychron C4 HE
  • •The C4 HE runs an 8000 Hz polling rate in Type-C wired mode, which the vendor positions for competitive gaming and minimal input lag.
  • •Hall Effect magnetic switches with adjustable actuation points are configurable through the Keychron Launcher web app.
  • •The steel plate and gasket mount are described by Keychron as providing responsive feedback and added stability at 970g.
OfficeKeychron K4 V3
  • •Bluetooth 5.2 wireless lets the K4 V3 connect to up to 3 devices, useful for switching between a work laptop, phone, and tablet.
  • •The 4000 mAh battery supports wireless use, and a USB Type-C wired connection is available when needed.
  • •The 96% layout keeps a numpad while taking less desk space than the C4 HE's 100% layout.
ProgrammingTie
  • •Both keyboards support QMK firmware and the Keychron Launcher web app for key remapping and macros.
  • •The C4 HE offers Hall Effect adjustable actuation points, while the K4 V3 offers QMK open-source firmware.
  • •Both include Mac and Windows keycaps and list macOS, Windows, and Linux compatibility.
TravelKeychron K4 V3
  • •The K4 V3 is a 96% layout at 368.14 x 121.14 mm and about 813 g, smaller and lighter than the C4 HE at 446 x 138 mm and 970g.
  • •Bluetooth 5.2 wireless removes the need to carry a cable for use with a laptop or tablet.
  • •The C4 HE is wired only and measures 30 x 446 x 138 mm, which is less convenient to pack.
ModdingKeychron K4 V3
  • •The K4 V3 hot-swappable version accepts 3-pin and 5-pin MX-style mechanical switches from brands such as Cherry, Gateron, Kailh, and Panda.
  • •Keychron lists a DIY kit/barebones option for the K4 V3, plus EPDM, IXPE, PET, and sound-absorbing foams in the hot-swappable versions.
  • •The C4 HE hot-swaps only with compatible Hall Effect magnetic switches, which narrows the switch pool.
Content CreationTie
  • •Both offer north-facing RGB with more than 22 backlight modes configurable in Keychron Launcher.
  • •Both use double-shot PBT keycaps and screw-in PCB stabilizers on the hot-swappable versions.
  • •The C4 HE adds Hall Effect actuation tuning, while the K4 V3 adds Bluetooth multitasking across 3 devices.

Frequently Asked Questions (FAQ)

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