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Head to head · Prices checked Nov 11, 2026

Keychron S1 vs Yunzii L75

Get the Keychron S1 for qmk.

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Quick verdict

Which one should you get?

Get the

Keychron S1

QMK

Build quality in the top 15% of 75% boards under $100.

Rules this board out

  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.
  • North-facing LEDs. Cherry-profile keycaps can hit the switch housing.

Get the

Yunzii L75

Build quality in the bottom 35% of 75% boards under $100.

Rules this board out

  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.
  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.

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 S1

Yunzii L75

  • Connection

    Wired

    Bluetooth, 2.4 GHz, Wired

    Wireless for several devices and wired for lower latency

  • Switch options

    Clicky, Linear, Tactile

    Linear

  • Mount style

    Plate Mount, Tray Mount

    Gasket Mount

  • Weight

    960 g

    825 g

    Heavier boards stay planted and lighter ones travel

  • QMK

    Yes

    No

    The deep option when you want to remap every key

KeebFinder scores

How we score
  • Keychron S1
  • Yunzii L75
Performance
82
58
Build quality
82
57
Productivity
80
65
Customizability
89
60
Portability
65
76

What they share

  • Layout size: 75%
  • Hot-swappable
  • Low profile
  • Case material: Aluminum
  • Keycaps: PBT
See every spec side by side

Full specs

Keychron S1 vs Yunzii L75 specs

Every tracked spec, side by side. Rows marked with a dot differ between the boards.

12 of 26 specs differ

Keychron S1

Yunzii L75

Typing & switches

Switch options

Clicky, Linear, Tactile
Linear

Hot-swappable

Yes
Yes

Mount style

Plate Mount, Tray Mount
Gasket Mount

Low profile

Yes
Yes

Sound dampening

No
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Media keys

Yes
No

Connectivity & battery

Connection

Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

1,000 Hz
—

Battery

Wired only
2,200 mAh

USB-C

Yes
No

Build & materials

Case material

Aluminum
Aluminum

Plate material

Steel
—

Keycaps

PBT
PBT

Weight

960 g
825 g

Dimensions

8 x 118 x 310 mm
25 x 331 x 147 mm

Typing angle

3°
—

Backlight

RGB, north-facing
RGB, south-facing

Firmware & software

QMK

Yes
No

VIA

Yes
No

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2022
2024

Where to buy

Compare prices

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

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Lowest price across stores, Amazon excluded.

Keychron S14 stores
Yunzii L753 stores

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