Not sure which keyboard to choose? Try the Keyboard Finder now!

Head to head · Prices checked Oct 21, 2026

Keychron K10 Ultra vs Keydous NJ81

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.

Keychron K10 Ultra

Keydous NJ81

  • Layout size

    100%

    75%

  • Case material

    ABS, Aluminum, Plastic

    Plastic

  • Switch options

    Clicky, Linear, Tactile

    Clicky, Linear

  • Mount style

    Plate Mount

    Gasket Mount

  • Display

    None

    Yes

KeebFinder scores

How we score
  • Keychron K10 Ultra
  • Keydous NJ81
Performance
90
49
Build quality
83
55
Productivity
94
65
Customizability
91
79
Portability
56
80

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Battery: 4,000 mAh
  • Keycaps: PBT
See every spec side by side

From real owners

What owners say

Ratings and quotes collected from verified store reviews, including the critical ones.

Keychron K10 Ultra

3.0

2 owner reviews

Praise
“Keychron has never let me down. I have paid a lot more for other keyboards from other manufacturers and received a lot less. I will never look elsewhere again”
Elijah R.· via Keychron
Critique
“I see why it was discounted. Fresh out of the box, it would not connect to my PC, which is literally 3 feet away. The 2.4G connection is extremely buggy, and I’ve had constant disconnects DAILY. On top of that, I had multiple sticking keys right out of the…”
Nicholas T.Verified buyer· via Keychron

Keydous NJ81

No owner reviews collected yet.

Full specs

Keychron K10 Ultra vs Keydous NJ81 specs

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

17 of 25 specs differ

Keychron K10 Ultra

Keydous NJ81

Typing & switches

Switch options

Clicky, Linear, Tactile
Clicky, Linear

Hot-swappable

Yes
Yes

Mount style

Plate Mount
Gasket Mount

Sound dampening

Yes
No

Screw-in stabilizers

Yes
No

Layout

Layout size

100%
75%

Layout standard

ANSI, ISO, JIS
ANSI

Ergonomics

Standard
Standard

Display

None
Yes

Media keys

Yes
No

Connectivity & battery

Connection

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

Max polling rate

8,000 Hz
—

Battery

4,000 mAh
4,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

ABS, Aluminum, Plastic
Plastic

Plate material

Steel
Brass, Steel

Keycaps

PBT
PBT

Weight

1,495 g
970 g

Dimensions

29 x 448 x 140 mm
36 x 134 x 315 mm

Backlight

RGB, south-facing
RGB

Firmware & software

QMK

Yes
No

VIA

Yes
No

N-key rollover

Yes
No

Mac & Windows

Yes
Yes

Extras

Released

2026
2022

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

  • KeychronHK

    In stock
    $114Visit
  • MKUS

    In stock
    $114Visit
  • Keychron (DE)DE

    In stock
    $150Visit
  • AmazonGlobal

    Check price
    Visit
Keydous NJ812 stores
  • MechkeysCN

    In stock
    $99Visit
  • AmazonGlobal

    Check price
    ~$99Visit

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.

Still torn?

Answer a few quick questions and the keyboard finder ranks 2,000+ boards by how you will actually use yours.