Not sure which keyboard to choose? Try the Keyboard Finder now!

Head to head · Prices checked Nov 11, 2026

Redragon COVE K733 vs Yunzii YZ21

Get the Redragon COVE K733 for knob and sound dampening.

KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

Quick verdict

Which one should you get?

Get the

Redragon COVE K733

Knob

Build quality in the top 30% of Numpad boards under $50.

Get the

Yunzii YZ21

Build quality in the bottom 40% of Numpad boards under $50.

Rules this board out

  • North-facing LEDs. Cherry-profile keycaps can hit the switch housing.

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.

Redragon COVE K733

Yunzii YZ21

  • Switch options

    Linear

    Clicky, Linear, Tactile

  • Knob

    Yes

    No

  • Display

    Yes

    None

    A case display rather than a typing feature

  • Sound dampening

    Yes

    No

  • Backlight

    RGB

    RGB, north-facing

    RGB for looks and low light rather than speed

KeebFinder scores

How we score
  • Redragon COVE K733
  • Yunzii YZ21
Performance
84
73
Build quality
73
53
Productivity
83
59
Customizability
79
69
Portability
88
85

What they share

  • Layout size: Numpad
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
See every spec side by side

Full specs

Redragon COVE K733 vs Yunzii YZ21 specs

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

8 of 21 specs differ

Redragon COVE K733

Yunzii YZ21

Typing & switches

Switch options

Linear
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
—

Sound dampening

Yes
No

Layout

Layout size

Numpad
Numpad

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
No

Display

Yes
None

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

8,000 Hz
—

Battery

—
1,500 mAh

USB-C

Yes
No

Build & materials

Case material

Plastic
—

Keycaps

—
PBT

Weight

230 g
—

Dimensions

98 x 165 x 38 mm
—

Backlight

RGB
RGB, north-facing

Firmware & software

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2025
2022

Where to buy

Compare prices

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

Prices in USD are converted to your currency and can change at any time. KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

Lowest price across stores, Amazon excluded.

Yunzii YZ212 stores

Still torn?

Answer a few quick questions and the keyboard finder ranks 2,000+ boards by how you will actually use yours.