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Head to head · Prices checked Oct 21, 2026

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.

Quick verdict

Which one should you get?

Get the

Keychron K2 HE

Hall Effect

If you want

  • 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.

And can live with

  • 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.

Get the

Yunzii RX S75

Budget Acrylic

If you want

  • 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.

And can live with

  • 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.

Bottom line

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.

What actually differs

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

  • Rapid trigger

    Yes

    No

  • Connection

    Bluetooth, 2.4 GHz, Wired

    Wired, Wireless

  • Battery

    4,000 mAh

    5,000 mAh

  • Case material

    ABS, Aluminum, Resin, Wood

    Acrylic

KeebFinder scores

How we score
  • Keychron K2 HE
  • Yunzii RX S75
Performance
93
66
Build quality
91
49
Productivity
97
57
Customizability
98
64
Portability
81
79

What they share

  • Layout size: 75%
  • Hot-swappable
See every spec side by side

Best for

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.

For gaming

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.

From real owners

What owners say

Ratings and quotes collected from verified store reviews, including the critical ones.

Keychron K2 HE

4.4

53 owner reviews

Praise
“Lowering the actuation depth improved my reaction time in competitive games. Analog mode in racing titles feels surprisingly natural. The mouse glide is smooth.”
Matthew F.Verified buyer· via Keychron
Critique
“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.”
Bugra· via Keychron

Yunzii RX S75

No owner reviews collected yet.

Full specs

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

Typing & switches

Switch options

Linear, Magnetic
Clicky

Hall effect (magnetic)

Yes
No

Rapid trigger

Yes
No

Hot-swappable

Yes
Yes

Mount style

Plate Mount, Tray Mount
—

Sound dampening

Yes
No

Screw-in stabilizers

Yes
No

Layout

Layout size

75%
75%

Layout standard

ANSI, ISO, ISO-CH, ISO-DE, ISO-ES, ISO-FR, ISO-Nordic, ISO-UK, JIS
ANSI

Ergonomics

Standard
Standard

Knob

Yes
No

Display

None
None

Media keys

Yes
No

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Wired, Wireless

Max polling rate

1,000 Hz
—

Battery

4,000 mAh
5,000 mAhBetter

USB-C

Yes
No

Build & materials

Case material

ABS, Aluminum, Resin, Wood
Acrylic

Plate material

Aluminum
—

Keycaps

ABS, PBT, PC
—

Weight

1,743 g
—

Dimensions

41 x 127 x 321 mm
—

Typing angle

12°, 4°, 5°
—

Backlight

RGB, north-facing
RGB

Firmware & software

QMK

Yes
No

VIA

Yes
No

N-key rollover

Yes
No

Mac & Windows

Yes
Yes

Extras

Released

2024
2024

Where to buy

Compare prices

Live prices from the stores we track, cheapest in-stock offer first.

Lowest price across stores, Amazon excluded.

  • KeychronHK

    In stock
    $129Visit
  • MKUS

    In stock
    $130Visit
  • Keychron (DE)DE

    In stock
    $155Visit
  • AmazonGlobal

    Check price
    Visit
  • AmazonGlobal

    Check price
    ~$119Visit
  • YunziiCN

    Out of stock
    $119Visit

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FAQ

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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