Head to head · Prices checked Oct 31, 2026

Keychron V3 vs Yunzii C21

Get the Keychron V3 for the 8,000 Hz polling rate.

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polling rate

Keychron V3

4.6 · 17 reviews

from$54at Keychron

Compare 4 stores

Yunzii C21

No reviews

from$54at Yunzii

Compare 2 stores

Quick verdict

Which one should you get?

Get the

Keychron V3

polling rate

Build quality in the top 5% of 80% boards under $100.

Rules this board out

South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
No numpad.

$54 at Keychron

Get the

Yunzii C21

Build quality in the bottom 50% of Numpad boards under $100.

Rules this board out

South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
Numpad only. This is not a full keyboard.

$54 at Yunzii

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 V3

Yunzii C21

Layout size
80%
Numpad
Connection
Wired
Bluetooth, 2.4 GHz, Wired
Wireless for several devices and wired for lower latency
Max polling rate
8,000 Hz
1,000 Hz
Higher polling helps competitive FPS and does nothing for typing
Switch options
Clicky, Linear, Tactile
Linear
Mount style
Gasket Mount, Plate Mount, Tray Mount
Gasket Mount

KeebFinder scores

How we score

Keychron V3
Yunzii C21

Performance: 91
70
Build quality: 89
63
Productivity: 98
58
Customizability: 98
66
Portability: 57
88

What they share

Hot-swappable

See every spec side by side

Full specs

Keychron V3 vs Yunzii C21 specs

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

16 of 27 specs differ

Spec

Keychron V3

Yunzii C21

Typing & switches

Switch options

Clicky, Linear, Tactile

Linear

Hot-swappable

Yes

Mount style

Gasket Mount, Plate Mount, Tray Mount

Gasket Mount

Sound dampening

Yes

Screw-in stabilizers

Yes

Layout

Layout size

80%

Numpad

Layout standard

ANSI, ISO, ISO-DE, ISO-ES, ISO-FR, ISO-SW, ISO-UK, JIS

—

Ergonomics

Standard

Knob

Yes

Display

None

TFT

Media keys

Yes

Connectivity & battery

Connection

Wired

Bluetooth, 2.4 GHz, Wired

Max polling rate

8,000 HzBetter

1,000 Hz

Battery

Wired only

2,500 mAh

USB-C

Yes

Build & materials

Case material

ABS, Plastic

—

Plate material

Polycarbonate, Steel

—

Keycaps

ABS, PBT

PBT

Weight

1,360 g

250 g

Dimensions

19 x 141 x 367 mm

39 x 153 x 98 mm

Typing angle

4°

—

Backlight

RGB, south-facing

Firmware & software

QMK

Yes

VIA

Yes

N-key rollover

Yes

Mac & Windows

Yes

Extras

Released

2022

2026

For EU buyers

ISO layouts by store

Which stores sell ISO-DE, UK, and the other regional layouts.

Keychron V3

Keychron
ISO-DE, ISO-UK, ISO-FR, ISO-ES, ISO-SW
In stockShips to you
Keychron (DE)
ISO-DE, ISO-ES
In stockDoes not ship to you
Keychron (DE)
ISO-DE, ISO-UK, ISO-FR, ISO-ES, ISO-SW
Out of stockDoes not ship to you

Yunzii C21

No ISO layout at the stores we track.

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 V34 stores