Keychron K3 HE vs K3Magnetic or Optical Switch?
Choose the K3 HE for advanced magnetic switch features like adjustable actuation and rapid trigger, or the standard K3 for a more affordable entry into low-profile mechanical keyboards.
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4.4 (8)4.4 · 8 reviews
from$119at Keychron
No reviews
from$105at Keychron (DE)
Which one should you get?
Get the
Keychron K3 HE
Hall effect
Build quality in the top 10% of 75% boards under $150.
- Hall Effect magnetic switches with adjustable actuation (0.2 to 2.9 mm) for gaming.
- Triple connectivity with 2.4 GHz, Bluetooth 5.2, and USB-C wired, offering a 1000 Hz polling rate in wired and 2.4 GHz modes.
- Fully customizable with QMK and VIA support, plus the Keychron Launcher web app.
- Magnetic switches only. Standard MX switches will not fit.
- Low-profile switches and keycaps only. Standard MX keycaps will not fit.
- North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
Get the
Keychron K3
Build quality in the bottom 40% of 75% boards under $150.
- More budget-friendly starting price point of $74.99.
- Hot-swappable low-profile optical switches, offering a choice between Red (linear) and Brown (tactile).
- Comes with 17 extra keycaps for both Mac and Windows layouts.
- Low-profile switches and keycaps only. Standard MX keycaps will not fit.
- North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
- Missing ISO-DE, ISO-ES. The other board is sold in those layouts.
The Keychron K3 HE is the stronger choice if you value advanced features like adjustable actuation and rapid trigger for gaming or deep customization via QMK and VIA. The standard Keychron K3 is a more affordable and still capable low-profile keyboard for general typing and office work. Your final decision will come down to whether the extra gaming and customization features of the K3 HE are worth the higher price.
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 K3 HE
Keychron K3
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, 2.4 GHz, Wired
Bluetooth, Wired
Wireless for several devices and wired for lower latency
Battery
2,600 mAh
1,550 mAh
A larger battery means fewer cables during the day
Case material
ABS, Aluminum, Wood
ABS, Aluminum
- Keychron K3 HE
- Keychron K3
- Performance
- 9264
- Build quality
- 8661
- Productivity
- 8966
- Customizability
- 8968
- Portability
- 8280
- Layout size: 75%
- Hot-swappable
- Low profile
What will you mostly use it for?
The K3 HE wins in four out of six use cases, mainly due to its advanced magnetic switch technology and deep customization options. It is the clear choice for gaming, programming, modding, and content creation. For general office work and travel, both keyboards are tied because of their similar low-profile design and wireless connectivity, making either a solid portable option.
Pick the Keychron K3 HE
- Hall Effect switches support adjustable actuation from 0.2 to 2.9 mm for custom feel.
- Features like Rapid Trigger, Snap Click, and Analog Mode for competitive gaming.
- 2.4 GHz wireless with a 1000 Hz polling rate, matching wired performance.
- Last Key Priority (LKP) for smoother directional changes in games.
Keychron K3 HE vs K3 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
18 of 28 specs differ
Keychron K3 HE
Keychron K3
Switch options
Hall effect (magnetic)
Rapid trigger
Hot-swappable
Mount style
Low profile
Sound dampening
Layout size
Layout standard
Ergonomics
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 K3 HE
Keychron
ISO-DE
In stockShips to you
Keychron (DE)
ISO-DE, ISO-FR, ISO-ES
In stockDoes not ship to you
Keychron K3
Keychron (DE)
ISO-FR
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 K3 HE vs K3: your questions
The main difference is the switch technology. The K3 HE uses Hall Effect magnetic switches that support adjustable actuation and rapid trigger, catering to gamers. The standard K3 uses low-profile optical switches, which are available in linear Red or tactile Brown options and offer a more traditional mechanical feel at a lower price.
No, the K3 HE comes with low-profile LSA double-shot PBT keycaps. The vendor information does not mention compatibility with standard MX keycap stems, so you should assume it uses a low-profile stem that is not interchangeable with standard MX keycaps.
Yes, the standard K3 is available with both white backlight and RGB backlight options. The RGB version features 18 different backlighting types. The K3 HE, on the other hand, comes with per-key RGB and 22+ RGB backlight settings, including Mix RGB zones.
Yes, the K3 HE is well-suited for programming. It supports QMK and VIA firmware, allowing for full key remapping and macro creation. The Keychron Launcher web app provides an easy interface for customization, and the adjustable actuation points let you fine-tune the feel of each key.
The Keychron K3 HE has a larger battery capacity at 2600 mAh, compared to the standard K3's 1550 mAh. However, actual battery life depends on usage and backlight settings. The K3 HE is rated for up to 55 hours of wireless use (lab test), while the standard K3 is rated for up to 34 hours at lowest brightness.
Yes, the optical switch version of the standard K3 is hot-swappable. It is marketed as the world's first hot-swappable low-profile optical switch keyboard, allowing you to change switches without soldering. However, it is only compatible with low-profile Keychron optical switches.
Yes, the K3 HE supports 2.4 GHz wireless connectivity, which offers a 1000 Hz polling rate for low-latency gaming. The standard K3 does not have 2.4 GHz connectivity and relies on Bluetooth and wired USB-C connections.
Rapid Trigger is a magnetic switch feature that activates or deactivates a key based on its travel distance rather than a fixed actuation point. This means pressing down activates the key immediately, and releasing it resets it just as fast, allowing for quicker and more precise keystrokes in fast-paced games.
Yes, both keyboards are explicitly stated to be compatible with macOS and Windows. The standard K3 even includes extra keycaps for both operating systems in the box. The K3 HE vendor description also mentions compatibility with Linux.
Both keyboards are strong options for travel due to their ultra-slim low-profile designs, but the choice depends on your needs. The K3 HE offers 2.4 GHz wireless for a more stable connection on the go, while the standard K3 is lighter on the wallet. Both use Bluetooth to connect to multiple devices.
The K3 HE includes multiple layers of dampening materials for improved acoustics: sound-absorbing foam, a silicone bottom pad, bottom case PET film, and bottom case acoustic foam. These components help reduce echo and unwanted noise during typing.
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