Keychron C4 HE vs K2 HEWired 8K vs Wireless Magnetic Gaming
Choose the C4 HE for maximum wired speed and a full layout, or the K2 HE for wireless flexibility and advanced magnetic customization.
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from$99at Keychron
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from$129at Keychron
Which one should you get?
Get the
Keychron C4 HE
Wired 8K
Build quality in the top 10% of 100% boards under $100.
- 8000 Hz polling rate for high-speed wired performance.
- Full-size layout with dedicated numpad and navigation cluster.
- Gasket mount design for a potentially more flexible typing feel.
- Magnetic switches only. Standard MX switches will not fit.
- North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
- No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
Get the
Keychron K2 HE
Wireless Magnetic Gaming
Build quality in the top 5% of 75% boards under $150.
- Tri-mode connectivity (Bluetooth, 2.4 GHz, wired) for maximum flexibility.
- Compact 75% layout saves considerable desk space.
- Advanced magnetic features like Rapid Trigger, Analog Mode, and Dynamic Keystrokes.
- Magnetic switches only. Standard MX switches will not fit.
- North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
- No numpad.
Select the Keychron C4 HE if your primary workstation is fixed, you demand the highest possible polling rate for competitive gaming, and you require a full-size layout. Opt for the Keychron K2 HE if you value a clutter-free wireless setup, need to save desk space, or want to explore advanced magnetic switch features like Analog Mode and per-key actuation tuning.
The differences that matter
Skip the 40-row spec sheet. These are the specs that change how each board feels, sounds, and fits your desk.
Keychron C4 HE
Keychron K2 HE
Layout size
100%
75%
Rapid trigger
No
Yes
Faster resets help in games and not in normal typing
Connection
Wired
Bluetooth, 2.4 GHz, Wired
Wireless for several devices and wired for lower latency
Max polling rate
8,000 Hz
1,000 Hz
Higher polling helps competitive FPS and does nothing for typing
Case material
Plastic
ABS, Aluminum, Resin, Wood
- Keychron C4 HE
- Keychron K2 HE
- Performance
- 8993
- Build quality
- 8391
- Productivity
- 9597
- Customizability
- 9298
- Portability
- 4581
- Hall effect (magnetic)
- Hot-swappable
- QMK
- VIA
- Sound dampening
What will you mostly use it for?
The C4 HE wins for stationary, latency-sensitive gaming and number-heavy programming work. The K2 HE is superior for office environments, travel, and modding due to its wireless design, compact size, and extensive customization options. For content creation, the choice splits between the C4's numpad utility and the K2's wireless convenience.
Pick the Keychron C4 HE
- Higher 8000 Hz polling rate for potentially lower input lag.
- Wired-only connection ensures a consistent, uninterrupted signal.
- Full-size layout includes a dedicated numpad for certain game genres.
Keychron C4 HE vs K2 HE specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
16 of 29 specs differ
Keychron C4 HE
Keychron K2 HE
Switch options
Hall effect (magnetic)
Rapid trigger
Hot-swappable
Mount style
Sound dampening
Screw-in stabilizers
Layout size
Layout standard
Ergonomics
Knob
Display
Media keys
Connection
Max polling rate
Battery
USB-C
Case material
Plate material
Keycaps
Weight
Dimensions
Typing angle
Backlight
QMK
VIA
N-key rollover
Mac & Windows
Released
ISO layouts by store
Which stores sell ISO-DE, UK, and the other regional layouts.
Keychron C4 HE
No ISO layout at the stores we track.
Keychron K2 HE
Keychron
ISO-DE, ISO-UK, ISO-Nordic, ISO-CH
In stockShips to you
Input Gear
ISO-DE
Out of stockShips to you
Keychron (DE)
ISO-DE, ISO-UK, ISO-FR, ISO-ES, ISO-CH
In stockDoes not ship to you
Compare prices
Live prices from the stores we track, cheapest in-stock offer first.
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Lowest price across stores, Amazon excluded.
Keychron C4 HE vs K2 HE: your questions
The core difference is connectivity and form factor. The C4 HE is a wired-only, full-size keyboard with an 8000 Hz polling rate. The K2 HE is a wireless 75% keyboard with Bluetooth, 2.4 GHz, and wired modes, featuring more advanced magnetic switch software features like Rapid Trigger.
The Keychron C4 HE has a technical advantage for pure latency with its 8000 Hz polling rate and wired-only connection, which minimizes potential for interference. However, the K2 HE offers gaming-oriented features like Rapid Trigger and Last Key Priority that some players may find more impactful than raw polling rate.
Yes. The Keychron K2 HE supports Bluetooth connectivity for up to three devices, allowing you to pair it with multiple computers or mobile devices. The manufacturer states it is compatible with macOS, Windows, and Linux systems.
Yes, both the C4 HE and K2 HE support hot-swappable switches. However, the K2 HE is only compatible with specific Gateron double-rail magnetic switches, while the C4 HE uses Keychron's own Ultra-fast Lime Magnetic switches.
The Keychron K2 HE is significantly more portable. It has a compact 75% layout, is wireless, and has a built-in battery. The C4 HE is larger, heavier, and requires a wired connection.
The C4 HE comes with Cherry profile double-shot PBT keycaps. The K2 HE's keycaps vary by version: the Standard Version uses shine-through Cherry profile PBT, while the Special Edition uses OSA profile double-shot PBT keycaps.
Yes. The C4 HE offers three adjustable typing angles (4, 6, and 8.7 degrees). The K2 HE also provides three angle options (5, 9.34, and 12.43 degrees).
Rapid Trigger is a feature that allows a key to reset immediately upon release, not just at a predefined point, enabling faster keystrokes. According to its specifications and vendor description, this feature is available on the Keychron K2 HE. It is not mentioned for the C4 HE.
Both keyboards support customization via the Keychron Launcher web app and open-source QMK/VIA firmware. This allows for key remapping, macro creation, and adjustment of RGB lighting effects and speeds.
The Keychron K2 HE vendor description lists several internal sound-dampening materials, including 3.5mm thick EVA acoustic foam, EPDM foam, a silicone acoustic pad, and a bottom case PET film.
No. The Keychron C4 HE is a wired-only keyboard, connecting via a USB Type-C cable. It does not have Bluetooth or a 2.4 GHz wireless receiver.
Only the wireless Keychron K2 HE has a battery. It is equipped with a 4000mAh rechargeable li-polymer battery. The manufacturer states it can provide up to 110 hours of wireless working time in lab tests. The wired C4 HE does not have a battery.
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