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Compare Keychron K2 HE vs Yunzii RX S75 Differences Side by Side

This comparison is for buyers deciding between a premium, tech-forward keyboard and a more basic, budget-friendly option. The Keychron K2 HE offers cutting-edge magnetic switches and deep software support, while the Yunzii RX S75 provides a straightforward acrylic build with hot-swap capability. The decision hinges on whether you value advanced performance features or a lower-cost entry point into the 75% form factor.

99
Keychron K2 HE Wireless Magnetic Switch Custom Keyboard
RX S75 Crystal White Tri-mode mechanical keyboard

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4.6 (69)
0.0 (0)
  • 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
  • Comes with a knob
  • Provides dedicated media keys
  • Connects via USB-C
  • Utilizes Hall effect sensors
  • Supports QMK firmware
  • Supports VIA configuration
  • Features N-key rollover
  • Enables rapid trigger functionality
  • Includes screw-in stabilizers
  • Has built-in sound dampening
  • Uses a Tray Mount mounting style
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • 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
  • Has Clicky switch options
  • Built with the ANSI layout standard
  • Supports Wired, Wireless connectivity
  • Equipped with a 5000 mAh battery
  • Made with a Acrylic case
  • Offers Yes, Rgb, White RGB lighting
Scores
  • Performance: 93.3
  • Build Quality: 90.8
  • Productivity: 96.9
  • Customizability: 99.6
  • Portability: 81.3
Scores
  • Performance: 66.2
  • Build Quality: 49.2
  • Productivity: 57.2
  • Customizability: 64
  • Portability: 79.2
Name
Keychron K2 HE
Name
Yunzii RX S75
Release year
2024
Release year
2024
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
Wired, Wireless
Polling Rate
1000 Hz
Polling Rate
-
Battery capacity
4000 mAh
Battery capacity
5000 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
-
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, North-face, White
Backlight
 
Rgb, White
Case Colors
Case Colors
Case Material
Aluminum, Wood, ABS, Resin
Case Material
Acrylic
Keycaps Material
PBT, ABS, PC
Keycaps Material
-
Dimensions
30 x 127 x 41 mm
Dimensions
-
Weight
1743g
Weight
-
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Pros and Trade-offs

The Keychron K2 HE is the definitive choice for users who want cutting-edge performance, deep customization, and a premium build. Its magnetic switches and extensive software support justify its higher cost for serious gamers, typists, and tinkerers. The Yunzii RX S75 serves as a basic, budget-friendly 75% keyboard with a larger battery, suitable for those who prioritize simple functionality and a unique acrylic look over advanced features.

Keychron K2 HE

  • +Advanced Gateron Double-Rail Magnetic Hall Effect switches with adjustable actuation points (0.2-3.8mm).
  • +Extensive customization via QMK/VIA firmware, rapid trigger, analog mode, and dynamic keystrokes.
  • +Premium build with aluminum case (and wood accents on Special Edition), aluminum plate, and multiple sound-dampening foams.
  • +Versatile tri-mode connectivity (Bluetooth 5.2, 2.4GHz, wired) with 1000 Hz polling rate on wireless/wired.
  • +Wide layout compatibility including ANSI and multiple ISO regional layouts.
  • −Higher price point compared to the Yunzii model.
  • −Heavier weight (approximately 965g-980g) due to metal and wood construction.
  • −Hot-swap capability is limited to compatible Gateron double-rail magnetic switches only.

Yunzii RX S75

  • +More affordable price point.
  • +Larger 5000mAh battery capacity for potentially longer wireless runtime.
  • +Acrylic case construction, which can offer a unique aesthetic and may be lighter.
  • −Limited to clicky RX switches with no evidence of other switch type options.
  • −Only ANSI layout is supported, lacking ISO or regional variants.
  • −No evidence of advanced software support, programmable features, or gaming-oriented functions like rapid trigger.
  • −Build materials are limited to acrylic, which may feel less premium than metal.

Which Keyboard Is Better for Your Needs?

The Keychron K2 HE is the clear choice for gaming, office work, programming, modding, and content creation due to its advanced magnetic switches, extensive software support, and premium build. The Yunzii RX S75 wins only for travel, primarily due to its potentially lighter acrylic build and larger battery capacity. For most productivity and performance-focused tasks, the K2 HE's feature set is significantly more capable.

GamingKeychron K2 HE
  • •The K2 HE features Hall Effect magnetic switches with adjustable actuation points from 0.2 to 3.8 mm and rapid trigger functionality.
  • •It offers a 1000 Hz polling rate in both wired and 2.4 GHz wireless modes for low latency.
  • •Features like Last Key Priority (LKP) and Analog Mode are designed for competitive gaming.
OfficeKeychron K2 HE
  • •The K2 HE supports multi-device connectivity via Bluetooth, 2.4 GHz, and wired, allowing connection to up to three devices.
  • •It includes dedicated Mac and Windows keycaps and a system toggle for seamless cross-platform use.
  • •Its 4000mAh battery, combined with acoustic foams, supports long, quiet typing sessions.
ProgrammingKeychron K2 HE
  • •The K2 HE supports QMK and VIA firmware for deep key remapping and macro programming.
  • •It offers extensive layout support including ANSI, ISO, and multiple regional ISO variants.
  • •The 75% layout retains arrow and navigation keys while saving desk space.
TravelYunzii RX S75
  • •The Yunzii RX S75 has a larger 5000mAh battery, which may offer longer wireless use between charges.
  • •Its acrylic case is likely lighter than the K2 HE's aluminum and wood construction.
  • •Both are 75% keyboards, but the simpler Yunzii may be less of a concern for travel wear.
ModdingKeychron K2 HE
  • •The K2 HE is hot-swappable and features a tray mount design with an aluminum plate.
  • •It includes multiple sound-dampening layers like EVA foam, EPDM foam, a silicone pad, and PET film.
  • •It uses screw-in PCB stabilizers and supports extensive firmware customization via QMK.
Content CreationKeychron K2 HE
  • •The K2 HE's Dynamic Keystrokes feature allows assigning up to 4 actions per key based on press depth, useful for macros.
  • •Programmable layers and media keys via QMK/VIA support complex editing workflows.
  • •North-facing RGB lighting with multiple effects can be customized for aesthetic setups.

Frequently Asked Questions (FAQ)

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