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Head to head · Prices checked Nov 7, 2026

Ajazz AKL680 vs Yunzii C21

Get the Yunzii C21 for hot-swappable.

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Quick verdict

Which one should you get?

Get the

Ajazz AKL680

Build quality in the bottom 35% of 65% boards under $100.

Rules this board out

  • Switches are soldered. Swapping them means soldering.
  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.
  • 65% layout. No function row and no numpad.

Get the

Yunzii C21

Hot-swappable

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.
  • Numpad only. This is not a full keyboard.

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.

Ajazz AKL680

Yunzii C21

  • Layout size

    65%

    Numpad

  • Connection

    Bluetooth, 2.4 GHz

    Bluetooth, 2.4 GHz, Wired

    Wireless for several devices and wired for lower latency

  • Hot-swappable

    No

    Yes

    Switch changes without soldering

  • Low profile

    Yes

    No

  • Switch options

    Linear, Tactile

    Linear

KeebFinder scores

How we score
  • Ajazz AKL680
  • Yunzii C21
Performance
55
70
Build quality
55
63
Productivity
42
58
Customizability
42
66
Portability
77
88
See every spec side by side

Full specs

Ajazz AKL680 vs Yunzii C21 specs

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

13 of 20 specs differ

Ajazz AKL680

Yunzii C21

Typing & switches

Switch options

Linear, Tactile
Linear

Hot-swappable

No
Yes

Mount style

—
Gasket Mount

Low profile

Yes
No

Layout

Layout size

65%
Numpad

Layout standard

ANSI
—

Ergonomics

Standard
Standard

Display

None
TFT

Connectivity & battery

Connection

Bluetooth, 2.4 GHz
Bluetooth, 2.4 GHz, Wired

Max polling rate

—
1,000 Hz

Battery

—
2,500 mAh

USB-C

No
Yes

Build & materials

Case material

ABS
—

Keycaps

ABS
PBT

Weight

450 g
250 g

Dimensions

50 x 150 x 385 mm
39 x 153 x 98 mm

Backlight

None
RGB, south-facing

Firmware & software

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2023
2026

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.

Ajazz AKL6803 stores
Yunzii C212 stores

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