Keychron K2 HE vs K4 HE75% vs 96% Magnetic Keyboard Comparison
Choose the K2 HE for a portable, compact layout or the K4 HE if you require a built-in numpad and arrow keys.
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4.4 · 54 reviews
from$129at Keychron
4.2 · 10 reviews
from$118at MK
Which one should you get?
Get the
Keychron K2 HE
75%
Build quality in the top 5% of 75% boards under $150.
- Compact 75% layout saves considerable desk space.
- Lighter weight (980g) and smaller dimensions for better portability.
- Metadata lists both tray and plate mount styles, and a DIY kit option for builders.
- Magnetic switches only. Standard MX switches will not fit.
- North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
- Missing ISO-SW. The other board is sold in those layouts.
- No numpad.
Get the
Keychron K4 HE
96% Magnetic Keyboard Comparison
Build quality in the top 10% of 96% boards under $150.
- 96% layout includes a full numpad and arrow keys in a compact form factor.
- Ideal for data entry, accounting, and software requiring frequent number input.
- Shares all high-end features with the K2 HE: magnetic switches, 1000Hz wireless, QMK/VIA.
- 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.
Your primary need dictates the choice. If your workflow demands a numpad or you prioritize having all keys on a condensed board, the Keychron K4 HE is the logical pick. If you value a cleaner desk, more mouse space for gaming, or plan to travel with your keyboard, the Keychron K2 HE's 75% layout is the superior tool. Both deliver an identical top-tier magnetic switch experience.
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 K2 HE
Keychron K4 HE
Layout size
75%
96%
Connection
Bluetooth, 2.4 GHz, Wired
Bluetooth, Wired, 2.4 GHz
Wireless for several devices and wired for lower latency
Case material
ABS, Aluminum, Resin, Wood
ABS, Aluminum, Plastic, Wood
Switch options
Linear, Magnetic
Clicky, Linear, Magnetic, Tactile
Mount style
Plate Mount, Tray Mount
Tray Mount
- Keychron K2 HE
- Keychron K4 HE
- Performance
- 9392
- Build quality
- 9187
- Productivity
- 9794
- Customizability
- 9889
- Portability
- 8156
- Hall effect (magnetic)
- Rapid trigger
- Hot-swappable
- Battery: 4,000 mAh
- Max polling rate: 1,000 Hz
- QMK
What will you mostly use it for?
The K4 HE is the definitive choice for office work and content creation where a numpad is non-negotiable. The K2 HE wins for gaming, travel, and modding due to its smaller size, potential mounting options, and barebones availability. For programming, it's a tie, as both offer superb firmware customization, leaving the choice to personal layout preference between compactness and dedicated keys.
Pick the Keychron K2 HE
- The 75% layout of the K2 HE provides more mouse space for low-sensitivity gaming.
- Both offer identical gaming-centric features: 1000Hz polling, rapid trigger, adjustable actuation (0.2-3.8mm), and analog mode.
- The K2 HE is listed with a 'knob support' feature, which the K4 HE listing does not mention, potentially offering more control customization.
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
Keychron K2 HE
54 owner reviews
“Lowering the actuation depth improved my reaction time in competitive games. Analog mode in racing titles feels surprisingly natural. The mouse glide is smooth.”
“I thought the macro didn't have infinite repetitions, but there are no helpful images anywhere on the internet. I still haven't found the answer.”
Keychron K4 HE
10 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”
“The keyboard is smooth to the touch, and has the nice feel. For me, it's almost an ideal keyboard but the one thing that gets me and it's a hard issue is that when connected, it takes away input from my controller when I game, especially for live service…”
Keychron K2 HE vs K4 HE specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
13 of 29 specs differ
Keychron K2 HE
Keychron K4 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 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
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
Compare prices
Live prices from the stores we track, cheapest in-stock offer first.
Prices in USD are converted to your currency and can change at any time. KeebFinder may earn a commission when you buy through these links, at no extra cost to you.
Lowest price across stores, Amazon excluded.
Keychron K2 HE vs K4 HE: your questions
The core difference is the layout size. The K2 HE is a 75% keyboard, which removes the numpad and function row to save space. The K4 HE is a 96% keyboard, which compactly integrates a full numpad and navigation cluster while eliminating only the gaps between key sections.
Yes. Both the K2 HE and K4 HE come with pre-lubed Gateron Double-Rail Magnetic switches featuring TMR sensors. They offer identical features like adjustable actuation points from 0.2mm to 3.8mm, rapid trigger, analog mode, and dynamic keystrokes.
Both are excellent, offering a 1000Hz polling rate in their 2.4GHz wireless mode. The K2 HE might have a slight edge for competitive gaming where extra mouse space is crucial, thanks to its more compact 75% footprint.
No. According to Keychron's product descriptions, both the K2 HE and K4 HE are compatible exclusively with the Gateron Double-Rail Magnetic switches sold on their website. They do not support other magnetic switches like Gateron Magnetic Jade or KS-20 switches.
Both keyboards are equipped with the same 4000mAh rechargeable battery. The manufacturer states a wireless working time of up to 110 hours for both, so battery life should be comparable under similar usage conditions.
Both offer similar PBT keycap options. The Standard Version for each uses Cherry profile double-shot shine-through PBT keycaps. The Special Edition for each uses OSA profile double-shot PBT keycaps that are not shine-through, with natural rosewood accents on the case.
Yes. Both the Keychron K2 HE and K4 HE have full support for open-source QMK firmware and the VIA configurator, allowing for deep key remapping, macro creation, and lighting control through the Keychron Launcher web app.
The Keychron K2 HE is more portable. It is significantly smaller (45 x 150 x 155 mm vs 41 x 377 x 126 mm) and lighter (980g vs 1090g) than the K4 HE, making it much easier to pack and carry.
The K2 HE uses screw-in PCB stabilizers, as per its specs. The K4 HE uses plate-mounted stabilizers. Screw-in stabilizers are generally considered easier to tune and modify for a rattle-free experience.
The metadata for the Keychron K2 HE lists a 'Diy Kit/Barebones' option. This option is not listed in the provided metadata for the K4 HE, suggesting the K2 HE may be more readily available in a kit form for those who want to supply their own switches and keycaps.
Yes, both offer adjustable typing angles. The K2 HE offers 5°, 9.34°, and 12.43° angles according to its vendor page. The K4 HE offers 5°, 8°, and 11° angles, providing ergonomic flexibility for different preferences.
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