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Head to head · Prices checked Oct 28, 2026

Ajazz AK820 Pro vs Chilkey ND75

Get the Ajazz AK820 Pro for the 4,000 mAh battery and knob.

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Quick verdict

Which one should you get?

Get the

Ajazz AK820 Pro

Battery

Build quality in the top 50% of 75% 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.

Get the

Chilkey ND75

Build quality in the top 30% of 75% boards under $150.

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 Pro

Chilkey ND75

  • Battery

    4,000 mAh

    3,600 mAh

    A larger battery means fewer cables during the day

  • Case material

    ABS, Aluminum

    Aluminum

  • Mount style

    Gasket Mount

    Plate Mount, Top Mount

  • Knob

    Yes

    No

  • Display

    TFT

    Yes

    A case display rather than a typing feature

KeebFinder scores

How we score
  • Ajazz AK820 Pro
  • Chilkey ND75
Performance
61
75
Build quality
66
75
Productivity
82
75
Customizability
72
82
Portability
79
82

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Switch options: Linear
  • Plate material: Polycarbonate
  • Keycaps: PBT
See every spec side by side

Full specs

Ajazz AK820 Pro vs Chilkey ND75 specs

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

11 of 23 specs differ

Ajazz AK820 Pro

Chilkey ND75

Typing & switches

Switch options

Linear
Linear

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Plate Mount, Top Mount

Sound dampening

Yes
No

Screw-in stabilizers

No
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI, ISO, ISO-DE

Ergonomics

Standard
Standard

Knob

Yes
No

Display

TFT
Yes

Connectivity & battery

Connection

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

Battery

4,000 mAhBetter
3,600 mAh

USB-C

Yes
Yes

Build & materials

Case material

ABS, Aluminum
Aluminum

Plate material

Polycarbonate
Polycarbonate

Keycaps

PBT
PBT

Weight

810 g
1,680 g

Dimensions

40 x 327 x 136 mm
—

Typing angle

—
7°

Backlight

RGB, south-facing
RGB

Firmware & software

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2023
2024

For EU buyers

ISO layouts by store

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

Ajazz AK820 Pro

No ISO layout at the stores we track.

Chilkey ND75

  • Input Gear

    ISO

    Out of stockShips to you

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.

Chilkey ND754 stores

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