Keychron K4 HE vs Lemokey L4Magnetic or MX
Choose the K4 HE for magnetic-switch gaming features, or the Lemokey L4 for a gasket-mounted aluminum build and broader MX-style switch swaps.
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4.9 (8)4.9 · 8 reviews
from$118at MK
5.0 (4)5.0 · 4 reviews
from$184at Keychron
Which one should you get?
Get the
Keychron K4 HE
Hall effect
Build quality in the top 10% of 96% boards under $150.
- Magnetic switches with adjustable actuation, Rapid Trigger, and Dynamic Keystrokes.
- 96% layout with ANSI and multiple ISO options.
- Listed support for Bluetooth, 2.4 GHz, and wired connectivity.
- Magnetic switches only. Standard MX switches will not fit.
- North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
- Compact full-size layout. The numpad is present, the gaps of a full-size board are not.
Get the
Keychron Lemokey L4
Build quality in the top 5% of 80% boards under $200.
- Full CNC-machined aluminum case with a gasket mount.
- Hot-swappable support for most 3-pin and 5-pin MX-style mechanical switches.
- Available as a barebone kit without keycaps or switches.
- South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
- No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
- No numpad.
Choose the K4 HE if adjustable magnetic actuation, Rapid Trigger, or its broader layout selection matters most. Choose the Lemokey L4 if you want a gasket-mounted aluminum TKL and wider compatibility with MX-style mechanical switches, especially for a barebone build. For frequent carrying, the K4 HE’s lower listed weight is the more practical distinction.
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 K4 HE
Keychron Lemokey L4
Layout size
96%
80%
Hall effect (magnetic)
Yes
No
Adjustable actuation helps in games and not in normal typing
Rapid trigger
Yes
No
Faster resets help in games and not in normal typing
Connection
Bluetooth, Wired, 2.4 GHz
Bluetooth, 2.4 GHz, Wired
Wireless for several devices and wired for lower latency
Case material
ABS, Aluminum, Plastic, Wood
Aluminum
- Keychron K4 HE
- Keychron Lemokey L4
- Performance
- 9280
- Build quality
- 8787
- Productivity
- 9495
- Customizability
- 8994
- Portability
- 5677
- Hot-swappable
- Battery: 4,000 mAh
- Max polling rate: 1,000 Hz
- QMK
- VIA
- Sound dampening
What will you mostly use it for?
The K4 HE has the clearest edge for gaming features and offers more layout options for programming. The L4 is the more flexible choice for conventional mechanical switch changes and barebone builds. Office use depends mainly on whether you prefer the K4 HE’s 96% layout or the L4’s 80% TKL layout. For travel, the K4 HE is substantially lighter, while both provide wireless connectivity.
Pick the Keychron K4 HE
- The K4 HE has magnetic switches, adjustable actuation, and Rapid Trigger.
- Its vendor description also lists Dynamic Keystrokes, Analog Mode, and Last Key Priority.
- Both keyboards list a 1000 Hz polling rate for wired and 2.4 GHz modes.
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
Keychron K4 HE
8 owner reviews
“So far it have met my expectations for the use i wanted it for, had a small hic up the first day i started ysing it but got easily resolved with the provided user manual”
Keychron Lemokey L4
4 owner reviews
“Highest quality keyboard barebones I’ve purchased! It’s really heavy but it was so satisfying to put in the switches and it sounds beautiful.”
Keychron K4 HE vs Lemokey L4 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
13 of 27 specs differ
Keychron K4 HE
Keychron Lemokey L4
Switch options
Hall effect (magnetic)
Rapid trigger
Hot-swappable
Mount style
Sound dampening
Screw-in stabilizers
Layout size
Layout standard
Ergonomics
Display
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 K4 HE
Keychron
ISO-DE, ISO-UK, ISO-Nordic, ISO-CH
In stockShips to you
Keychron (DE)
ISO-DE, ISO-UK, ISO-FR, ISO-ES, ISO-CH
In stockDoes not ship to you
Keychron Lemokey L4
No ISO layout at the stores we track.
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 K4 HE vs Lemokey L4: your questions
The K4 HE is the more specialized gaming option because its magnetic switches support adjustable actuation and Rapid Trigger. Its vendor description also lists Dynamic Keystrokes, Analog Mode, and Last Key Priority, features not listed for the L4.
The K4 HE uses magnetic switches, with versions for Keychron Ultra-fast Lime or Gateron Double-Rail magnetic switches. The L4 uses mechanical Keychron Super switches when fully assembled and supports most 3-pin and 5-pin MX-style switches for hot-swapping.
Yes, the K4 HE is hot-swappable, but its magnetic switch versions have specific compatibility limits. The vendor says the Gateron Double-Rail version supports Gateron Double-Rail magnetic switches, while the Lime version supports Keychron Ultra-fast Lime magnetic switches.
The L4 vendor description says its hot-swap sockets support most 3-pin and 5-pin MX-style mechanical switches, including Cherry and Gateron. Check that a specific switch matches the stated pin type before purchasing.
Yes, the K4 HE listing includes multiple ISO options as well as ANSI. The Lemokey L4 listing specifies ANSI only.
The K4 HE is listed at 1090 g, while the fully assembled Lemokey L4 is listed at 1858 g. That makes the K4 HE the lighter option for carrying between locations.
Both keyboards list Bluetooth and 2.4 GHz wireless, along with a wired connection. Both also have a 4000 mAh battery.
Yes, the L4 has a gasket mount, and its vendor describes the design as providing a cushioned typing feel. The K4 HE uses a tray mount.
Yes, the L4 is offered as a barebone kit. The vendor says that version does not include keycaps or switches, unlike the fully assembled version.
Both product listings include QMK and VIA support. The vendor descriptions also identify browser-based tools for remapping keys and creating macros.
The K4 HE has magnetic-switch features including adjustable actuation, Rapid Trigger, Dynamic Keystrokes, and Analog Mode. The L4 is a mechanical keyboard with hot-swappable MX-style switches, but those magnetic controls are not listed for it.
The Lemokey L4 is the more flexible starting point for a conventional mechanical build because it is available barebone and supports most 3-pin and 5-pin MX-style switches. The K4 HE is also hot-swappable, but its magnetic switch versions have narrower switch compatibility.
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