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Head to head · Prices checked Nov 10, 2026

Keydous NJ80 AP vs NJ81

Choose the NJ80 AP for its larger battery, knob support, and added typing features, or the lighter NJ81 if you want a display screen.

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Quick verdict

Which one should you get?

Get the

Keydous NJ80 AP

Battery

Build quality in the top 30% of 80% boards under $150.

If you want

  • 80% ANSI layout with clicky, tactile, and linear switch options.
  • 4800mAh battery, larger than the NJ81's 4000mAh battery.
  • Lists N-Key Rollover, sound dampening, screw-in stabilizers, and knob support.

Rules this board out

  • No numpad.

Get the

Keydous NJ81

Build quality in the bottom 25% of 75% boards under $100.

If you want

  • Lighter at 970g, with listed dimensions of 315 x 134 x 36 mm.
  • Has a display screen; the vendor says it can show battery and connection information.
  • Listed as a DIY kit/barebones option and hot-swappable.

Rules this board out

  • No numpad.

Bottom line

Choose the NJ80 AP if you want the larger 80% layout, a tactile switch option, and extras such as N-Key Rollover and knob support. Choose the NJ81 if reducing weight and getting a display screen or DIY kit/barebones option matter more. Both offer hot-swap support and wired, Bluetooth, and 2.4 GHz connectivity.

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.

Keydous NJ80 AP

Keydous NJ81

  • Layout size

    80%

    75%

  • Connection

    2.4 GHz, Wired, Bluetooth

    Bluetooth, 2.4 GHz, Wired

    Wireless for several devices and wired for lower latency

  • Battery

    4,800 mAh

    4,000 mAh

    A larger battery means fewer cables during the day

  • Case material

    Plastic, Steel

    Plastic

  • Switch options

    Clicky, Linear, Tactile

    Clicky, Linear

KeebFinder scores

How we score
  • Keydous NJ80 AP
  • Keydous NJ81
Performance
64
48
Build quality
66
54
Productivity
91
65
Customizability
75
78
Portability
77
80

What they share

  • Hot-swappable
  • Mount style: Gasket Mount
  • Keycaps: PBT
See every spec side by side

Best for

What will you mostly use it for?

The NJ80 AP has the edge for office work, programming, and gaming based on its larger layout and additional listed features. The NJ81 makes more sense for travel if low weight and compact dimensions matter most, and its DIY kit/barebones listing gives modders a different starting point. For content creation, the NJ80 AP's knob support may be useful, while the NJ81 offers a display screen. Both have hot-swap sockets and three listed connection options.

For gaming

Pick the Keydous NJ80 AP

  • The NJ80 AP lists N-Key Rollover, a feature not listed for the NJ81.
  • The NJ80 AP offers clicky, tactile, and linear switch options, while the NJ81 lists clicky and linear options.
  • Both keyboards support wired, Bluetooth, and 2.4 GHz connectivity.

Full specs

Keydous NJ80 AP vs NJ81 specs

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

13 of 23 specs differ

Keydous NJ80 AP

Keydous NJ81

Typing & switches

Switch options

Clicky, Linear, Tactile
Clicky, Linear

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
No

Screw-in stabilizers

Yes
No

Layout

Layout size

80%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
No

Display

None
Yes

Connectivity & battery

Connection

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

Battery

4,800 mAhBetter
4,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

Plastic, Steel
Plastic

Plate material

Aluminum, Brass, Steel
Brass, Steel

Keycaps

PBT
PBT

Weight

1,200 g
970 g

Dimensions

40 x 350 x 130 mm
36 x 134 x 315 mm

Typing angle

5°
—

Backlight

RGB
RGB

Firmware & software

N-key rollover

Yes
No

Mac & Windows

Yes
Yes

Extras

Released

2022
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.

Keydous NJ812 stores

FAQ

Keydous NJ80 AP vs NJ81: your questions

The NJ80 AP has an 80% layout, a 4800mAh battery, and features such as knob support and N-Key Rollover. The NJ81 is lighter, uses a 75% layout, and includes a display screen.

Yes, the NJ81 has a display screen. Its vendor description says the screen can show information such as battery level and connection method.

The Keydous NJ81 weighs 970g, while the NJ80 AP weighs 1200g. The NJ81 is the lighter choice if carrying weight is a priority.

The NJ80 AP has a 4800mAh battery, compared with 4000mAh in the NJ81. The NJ81 vendor listing also gives battery-life estimates of up to 450 hours with the lights off and up to 15 hours with RGB backlighting.

Yes, both keyboards are listed as hot-swappable. The NJ81 vendor description says its PCB sockets support 3-pin and 5-pin mechanical switches.

Both list Bluetooth, 2.4 GHz, and wired connectivity. The NJ81 vendor description specifically names Bluetooth v5.0 and says it can connect with up to three devices simultaneously.

The NJ80 AP lists clicky, tactile, and linear switch types. The NJ81 lists clicky and linear switch types, so tactile is the additional listed option on the NJ80 AP.

The NJ81 is listed as a DIY kit/barebones option and is hot-swappable, making it a useful choice for buyers who want that starting format. The NJ80 AP is also hot-swappable and lists steel, brass, and aluminum plate options, with poron foam between the PCB and plate noted by its vendor.

The NJ80 AP is listed as an 80% ANSI keyboard, while the NJ81 is listed as a 75% ANSI keyboard. The NJ81 vendor describes its arrangement as 80 keys.

The NJ80 AP lists knob support as an extra feature. The NJ81 listing does not include knob support among its extra features.

Both product listings specify Mac and Windows support. The NJ81 vendor description also names Linux and Android devices among supported systems.

The NJ81 is lighter at 970g and has shorter listed dimensions than the NJ80 AP, which weighs 1200g. The NJ80 AP has the larger battery, so consider whether lower weight or battery capacity matters more for your travel use.

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