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Head to head · Prices checked Oct 21, 2026

Ajazz AC100 vs REDMAGIC Nubia K100J

Get the Ajazz AC100 for the 8,000 mAh battery. 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.

Ajazz AC100

REDMAGIC Nubia K100J

  • Rapid trigger

    No

    Yes

  • Battery

    8,000 mAh

    4,000 mAh

  • Case material

    Aluminum

    Metal, Plastic

  • Knob

    No

    Yes

  • Display

    TFT

    LED

KeebFinder scores

How we score
  • Ajazz AC100
  • REDMAGIC Nubia K100J
Performance
58
63
Build quality
60
57
Productivity
65
68
Customizability
65
74
Portability
62
52

What they share

  • Layout size: 96%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Switch options: Linear
  • Mount style: Gasket Mount
  • Keycaps: PBT
See every spec side by side

Full specs

Ajazz AC100 vs REDMAGIC Nubia K100J specs

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

11 of 23 specs differ

Ajazz AC100

REDMAGIC Nubia K100J

Typing & switches

Switch options

Linear
Linear

Rapid trigger

No
Yes

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

No
Yes

Layout

Layout size

96%
96%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

No
Yes

Display

TFT
LED

Media keys

No
Yes

Connectivity & battery

Connection

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

Battery

8,000 mAhBetter
4,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
Metal, Plastic

Plate material

FR4, Plastic
—

Keycaps

PBT
PBT

Weight

2,100 g
—

Dimensions

20 x 145 x 410 mm
—

Backlight

RGB, south-facing
RGB

Firmware & software

N-key rollover

Yes
No

Mac & Windows

Yes
No

Extras

Released

2024
2023

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

Ajazz AC1003 stores
  • MechkeysCN

    In stock
    $89Visit
  • AmazonGlobal

    Check price
    ~$89Visit
  • WhatGeekCN

    Out of stock
    $149Visit
  • MechkeysCN

    In stock
    $169Visit
  • AmazonGlobal

    Check price
    ~$169Visit

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