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Compare Keychron K2 HE vs Yunzii A3 Differences Side by Side

This comparison is for buyers deciding between a feature-rich, high-performance keyboard and a value-oriented alternative. Both are 75% wireless keyboards, but they target different budgets and priorities. The Keychron K2 HE offers advanced magnetic switch technology with extensive software control, while the Yunzii A3 provides a gasket-mounted design at a much lower cost. The decision hinges on how much you value adjustable actuation and rapid trigger features versus a softer typing feel for less money.

99
Keychron K2 HE Wireless Magnetic Switch Custom Keyboard
84
YUNZII x JAMESDONKEY A3 Wireless Gasket Mechanical Keyboard - Rosy

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4.6 (68)
0.0 (0)
  • Released in 2024
  • Has Linear, Magnetic switch options
  • Built with the ANSI, ISO, ISO-UK, ISO-DE, ISO-ES, ISO-FR, ISO-CH, ISO-Nordic, JIS layout standard
  • Utilizes Hall effect sensors
  • Supports QMK firmware
  • Supports VIA configuration
  • Enables rapid trigger functionality
  • Uses a Tray Mount mounting style
  • Runs at a 1000 Hz polling rate
  • Equipped with a 4000 mAh battery
  • Weighs about 1743 g
  • Sized at 30 x 127 x 41 mm
  • Made with a Aluminum, Wood, ABS, Resin case
  • Features PBT, ABS, PC keycaps
  • Offers Yes, Rgb, North-face, Rgb North-face, White, White North-face RGB lighting
  • Released in 2023
  • Has Clicky switch options
  • Built with the ANSI layout standard
  • Uses a Gasket Mount mounting style
  • Equipped with a 3000 mAh battery
  • Features PBT keycaps
  • Offers Yes, Rgb RGB lighting
Scores
  • Performance: 93.3
  • Build Quality: 90.8
  • Productivity: 96.9
  • Customizability: 99.5
  • Portability: 81.4
Scores
  • Performance: 81
  • Build Quality: 77.4
  • Productivity: 92.5
  • Customizability: 83.6
  • Portability: 83.7
Name
Keychron K2 HE
Name
Yunzii A3
Release year
2024
Release year
2023
Switch Options
Linear, Magnetic
Switch Options
Clicky
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
75%
Layout Size
75%
Layout Standard
ANSI, ISO, ISO-UK, ISO-DE, ISO-ES, ISO-FR, ISO-CH, ISO-Nordic, JIS
Layout Standard
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
Bluetooth, 2.4 GHz, Wired, Wireless
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate
1000 Hz
Polling Rate
-
Battery capacity
4000 mAh
Battery capacity
3000 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
Tray Mount
Mount Style
Gasket Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, North-face, White
Backlight
 
Rgb
Case Colors
Case Colors
Case Material
Aluminum, Wood, ABS, Resin
Case Material
-
Keycaps Material
PBT, ABS, PC
Keycaps Material
PBT
Dimensions
30 x 127 x 41 mm
Dimensions
-
Weight
1743g
Weight
-
*Something incorrect or missing? Please
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Pros and Trade-offs

Your choice fundamentally depends on your budget and need for cutting-edge features. Invest in the Keychron K2 HE if you want the precision of magnetic switches, deep software customization, and are building a long-term setup for gaming or creative work. Choose the Yunzii A3 if you prioritize value, want a pleasant gasket-mounted typing feel, and do not require advanced actuation tuning or open-source firmware.

Keychron K2 HE

  • +Features Gateron Double-Rail Magnetic Switches with adjustable actuation points from 0.2 to 3.8mm.
  • +Supports QMK and VIA firmware for deep, open-source key remapping and macro programming.
  • +Includes multiple sound-dampening foams (3.5mm EVA foam, EPDM foam, silicone pad) for a tuned acoustic experience.
  • +Offers extensive international layout support including multiple ISO variants (UK, DE, Nordic, etc.).
  • +Boasts a 4000mAh battery and a 1000 Hz polling rate in both wired and 2.4 GHz wireless modes.
  • −Compatible only with specific Gateron Double-Rail Magnetic Switches, limiting hot-swap options.
  • −Higher price point compared to budget alternatives like the Yunzii A3.
  • −The vendor description mentions some user reports of keys failing after long-term use.

Yunzii A3

  • +Features a gasket mount design, which typically provides a softer, more cushioned typing feel.
  • +Hot-swappable PCB supports both 3-pin and 5-pin mechanical switches for easy customization.
  • +Significantly more affordable, offering a budget-friendly entry into the 75% wireless keyboard market.
  • +Includes PBT keycaps and plate-mounted stabilizers in its pre-built configuration.
  • −Only listed with clicky switch type in the metadata, which may not suit all preferences.
  • −Lacks advanced features like adjustable actuation, rapid trigger, or extensive programming software.
  • −Smaller 3000mAh battery compared to the K2 HE's 4000mAh capacity.
  • −Limited to ANSI layout only, with no support for ISO or other international layouts.

Which Keyboard Is Better for Your Needs?

The Keychron K2 HE is the clear choice for gaming, programming, modding, and content creation due to its advanced magnetic switch features, extensive programmability, and high-performance specs. The Yunzii A3 wins for travel primarily based on its lower cost, making it a less risky companion. For general office use, both keyboards are competent with their wireless connectivity and multi-OS support, making it a tie for that category.

GamingKeychron K2 HE
  • •The K2 HE has a specified 1000 Hz polling rate for its 2.4 GHz and wired modes.
  • •It features adjustable actuation points (0.2-3.8mm) and rapid trigger functionality for precise control.
  • •Its magnetic switches support advanced gaming modes like Last Key Priority (LKP) and Analog Mode.
OfficeTie
  • •Both support multi-device Bluetooth connectivity for switching between computers and tablets.
  • •Both include Mac and Windows keycap support and system toggles.
  • •The K2 HE offers a larger 4000mAh battery, while the A3's 3000mAh battery is still substantial.
ProgrammingKeychron K2 HE
  • •The K2 HE supports QMK and VIA for deep, open-source key remapping and macro programming.
  • •It offers extensive layout support including multiple ISO layouts (UK, DE, Nordic, etc.), which the A3 lacks.
  • •Dynamic Keystrokes allow assigning up to 4 actions per key based on press depth.
TravelYunzii A3
  • •The Yunzii A3 is listed at a significantly lower price point, reducing risk if damaged during travel.
  • •Both are 75% layouts with similar wireless functionality, making portability comparable.
  • •The A3's simpler construction with PBT keycaps may be more durable for frequent transport.
ModdingKeychron K2 HE
  • •The K2 HE is hot-swappable with magnetic switches and supports extensive firmware customization via QMK/VIA.
  • •Its construction includes multiple foam layers (EVA, EPDM, silicone pad) and screw-in stabilizers for acoustic tuning.
  • •It offers a wider variety of case materials including aluminum, wood, and resin in different editions.
Content CreationKeychron K2 HE
  • •The K2 HE's programmable layers and macros via QMK/VIA are superior for complex shortcut workflows.
  • •Analog Mode and Dynamic Keystrokes allow for pressure-sensitive inputs useful in creative software.
  • •Its dedicated multimedia keys and knob support provide direct media control.

Frequently Asked Questions (FAQ)

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