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Head to head · Prices checked Oct 21, 2026

Keychron J3 SE vs REDMAGIC Nubia K100J

Get the REDMAGIC Nubia K100J for rapid trigger and knob.

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 J3 SE

REDMAGIC Nubia K100J

  • Rapid trigger

    No

    Yes

  • Case material

    ABS

    Metal, Plastic

  • Switch options

    Clicky, Linear, Tactile

    Linear

  • Knob

    No

    Yes

  • Display

    None

    LED

KeebFinder scores

How we score
  • Keychron J3 SE
  • REDMAGIC Nubia K100J
Performance
80
63
Build quality
68
57
Productivity
89
68
Customizability
86
74
Portability
57
52

What they share

  • Layout size: 96%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Battery: 4,000 mAh
  • Sound dampening
  • 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 J3 SE

5.0

1 owner reviews

Praise
“I love the keyboard! Everything was as expected but the keys are even smoother than I could have hoped for. I love the color, it matches exactly what was displayed on the website. Setup was very easy once I actually read the manual. I like that it gives you…”
Nathalia N.· via Keychron

REDMAGIC Nubia K100J

No owner reviews collected yet.

Full specs

Keychron J3 SE vs REDMAGIC Nubia K100J specs

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

12 of 25 specs differ

Keychron J3 SE

REDMAGIC Nubia K100J

Typing & switches

Switch options

Clicky, Linear, Tactile
Linear

Rapid trigger

No
Yes

Hot-swappable

Yes
Yes

Mount style

—
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

96%
96%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

No
Yes

Display

None
LED

Media keys

No
Yes

Connectivity & battery

Connection

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

Max polling rate

1,000 Hz
—

Battery

4,000 mAh
4,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

ABS
Metal, Plastic

Keycaps

PBT
PBT

Weight

1,145 g
—

Dimensions

43 x 406 x 139 mm
—

Backlight

RGB, north-facing
RGB

Firmware & software

QMK

Yes
No

VIA

Yes
No

N-key rollover

Yes
No

Mac & Windows

Yes
No

Extras

Released

2026
2023

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
    $129Visit
  • AmazonGlobal

    Check price
    Visit
  • MechkeysCN

    In stock
    $169Visit
  • AmazonGlobal

    Check price
    ~$169Visit

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.

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