Keychron K2 HE vs Yunzii RX S75Hall Effect vs Budget Acrylic
Choose the Keychron K2 HE for its advanced magnetic switch technology and extensive customization, or the Yunzii RX S75 for a simpler, more affordable acrylic build.
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4.8 (49)4.8 · 49 reviews
from$129at Keychron
No reviews
from$119at Yunzii
Which one should you get?
Get the
Keychron K2 HE
Hall Effect
Build quality in the top 5% of 75% boards under $150.
- 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.
- Magnetic switches only. Standard MX switches will not fit.
- North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
Get the
Yunzii RX S75
Budget Acrylic
Build quality in the bottom 15% of 75% boards under $150.
- 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.
- No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
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.
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
Yunzii RX S75
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
Wired, Wireless
Wireless for several devices and wired for lower latency
Battery
4,000 mAh
5,000 mAh
A larger battery means fewer cables during the day
Case material
ABS, Aluminum, Resin, Wood
Acrylic
- Keychron K2 HE
- Yunzii RX S75
- Performance
- 9366
- Build quality
- 9149
- Productivity
- 9757
- Customizability
- 9864
- Portability
- 8179
- Layout size: 75%
- Hot-swappable
What will you mostly use it for?
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.
Pick the Keychron 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.
Keychron K2 HE vs Yunzii RX S75 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
16 of 29 specs differ
Keychron K2 HE
Yunzii RX S75
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
Yunzii RX S75
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.
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Keychron K2 HE vs Yunzii RX S75: your questions
The Keychron K2 HE features Gateron Double-Rail Magnetic Hall Effect switches. These use TMR sensors and allow for adjustable actuation points. The Yunzii RX S75 uses standard mechanical RX switches, which are clicky type.
Both keyboards are hot-swappable. However, the Keychron K2 HE is only compatible with specific Gateron double-rail magnetic switches. The Yunzii RX S75's hot-swap compatibility is not detailed beyond being a feature.
The Keychron K2 HE offers more wireless options with Bluetooth 5.2 and a 2.4 GHz dongle, supporting connection to three devices. The Yunzii RX S75 is listed as wireless but the specific protocols are not stated. The Yunzii has a larger 5000mAh battery.
Yes, the Keychron K2 HE is compatible with macOS, Windows, and Linux. It includes a system toggle and dedicated keycap sets for both Mac and Windows layouts, allowing you to save separate profiles for each OS.
According to Keychron, the K2 HE has a 1000 Hz polling rate in both its wired connection and 2.4 GHz wireless mode. The polling rate for the Yunzii RX S75 is not specified in the provided information.
The Keychron K2 HE is far more customizable. It supports QMK and VIA firmware for key remapping, features adjustable actuation points per key, rapid trigger, analog mode, and dynamic keystrokes. The Yunzii's customization features are not detailed.
The Keychron K2 HE Standard Version uses an aluminum frame. The Special Edition uses an aluminum frame with natural wood accents. The bottom case is made of ABS plastic. The Yunzii RX S75 uses an acrylic case.
Yes, both keyboards have RGB lighting. The Keychron K2 HE features north-facing RGB LEDs with over 22 backlight modes controllable via software. The Yunzii RX S75 is listed as having RGB or white light options.
The Keychron K2 HE is available in a wide range of layouts including ANSI, ISO, and specific regional ISO layouts for the UK, Germany, Nordic countries, Switzerland, France, Spain, and JIS. The Yunzii RX S75 is listed only with an ANSI layout.
The Keychron K2 HE is designed to be quieter, incorporating 3.5mm EVA acoustic foam, EPDM foam, a silicone pad, and PET film for sound dampening. It also comes with pre-lubed switches. The Yunzii's acoustic properties are not described.
According to the manufacturer, the fully assembled Keychron K2 HE includes the keyboard PCB, the case, an aluminum plate, keycaps for Mac and Windows, and Gateron double-rail magnetic switches. A listing for accessory palm rests and cables suggests they are sold separately.
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