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Head to head · Prices checked Nov 10, 2026

Ajazz K690T Pro vs Ducky One 3 SF

Get the Ducky One 3 SF for sound dampening.

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Quick verdict

Which one should you get?

Get the

Ajazz K690T Pro

Build quality in the bottom 5% of 65% boards under $100.

Get the

Ducky One 3 SF

Sound dampening

Build quality in the bottom 40% of 65% boards under $100.

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.

Ajazz K690T Pro

Ducky One 3 SF

  • Connection

    Bluetooth, 2.4 GHz, Wired

    Wired

    Wireless for several devices and wired for lower latency

  • Switch options

    Clicky

    Clicky, Linear, Silent, Tactile

  • Sound dampening

    No

    Yes

  • Keycaps

    PBT

    ABS, PBT

  • Backlight

    RGB

    RGB, north-facing

    RGB for looks and low light rather than speed

KeebFinder scores

How we score
  • Ajazz K690T Pro
  • Ducky One 3 SF
Performance
53
70
Build quality
39
57
Productivity
59
71
Customizability
61
79
Portability
86
71

What they share

  • Layout size: 65%
  • Hot-swappable
See every spec side by side

Full specs

Ajazz K690T Pro vs Ducky One 3 SF specs

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

7 of 18 specs differ

Ajazz K690T Pro

Ducky One 3 SF

Typing & switches

Switch options

Clicky
Clicky, Linear, Silent, Tactile

Hot-swappable

Yes
Yes

Mount style

—
Plate Mount

Sound dampening

No
Yes

Layout

Layout size

65%
65%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Media keys

No
Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Wired

Max polling rate

—
1,000 Hz

USB-C

Yes
Yes

Build & materials

Case material

—
ABS, Plastic

Keycaps

PBT
ABS, PBT

Backlight

RGB
RGB, north-facing

Firmware & software

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2022
2023

Where to buy

Compare prices

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

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