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Head to head · Prices checked Nov 11, 2026

Ajazz AK820 AS vs Royal Kludge RK84

Get the Ajazz AK820 AS for knob.

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Quick verdict

Which one should you get?

Get the

Ajazz AK820 AS

Knob

Build quality in the top 35% of 75% boards under $50.

Rules this board out

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

Get the

Royal Kludge RK84

Build quality in the bottom 20% of 75% boards under $100.

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 AK820 AS

Royal Kludge RK84

  • Connection

    Wired

    Bluetooth, 2.4 GHz, Wired

    Wireless for several devices and wired for lower latency

  • Case material

    Aluminum, Plastic

    Plastic

  • Switch options

    Clicky, Linear, Tactile

    Clicky, Linear, Silent, Tactile

  • Knob

    Yes

    No

  • Weight

    810 g

    803.5 g

    Heavier boards stay planted and lighter ones travel

KeebFinder scores

How we score
  • Ajazz AK820 AS
  • Royal Kludge RK84
Performance
60
62
Build quality
75
50
Productivity
82
77
Customizability
70
68
Portability
67
80

What they share

  • Layout size: 75%
  • Hot-swappable
See every spec side by side

Full specs

Ajazz AK820 AS vs Royal Kludge RK84 specs

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

12 of 23 specs differ

Ajazz AK820 AS

Royal Kludge RK84

Typing & switches

Switch options

Clicky, Linear, Tactile
Clicky, Linear, Silent, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
—

Sound dampening

No
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
No

Display

None
None

Media keys

No
Yes

Connectivity & battery

Connection

Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

—
1,000 Hz

Battery

Wired only
3,750 mAh

USB passthrough

No
Yes

USB-C

Yes
Yes

Build & materials

Case material

Aluminum, Plastic
Plastic

Keycaps

PBT
ABS, PBT

Weight

810 g
803.5 g

Dimensions

40 x 136 x 327 mm
41 x 315 x 125 mm

Typing angle

—
8°

Backlight

White, north-facing
RGB

Firmware & software

Mac & Windows

Yes
Yes

Extras

Released

2023
2021

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.

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