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Head to head · Prices checked Oct 23, 2026

Ajazz AC100 vs Keychron J5

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

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

Keychron J5

  • Layout size

    96%

    100%

  • Battery

    8,000 mAh

    3,750 mAh

  • Case material

    Aluminum

    ABS

  • Switch options

    Linear

    Clicky, Linear, Tactile

  • Display

    TFT

    None

KeebFinder scores

How we score
  • Ajazz AC100
  • Keychron J5
Performance
58
82
Build quality
60
71
Productivity
65
89
Customizability
65
89
Portability
62
54

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • 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.

Ajazz AC100

No owner reviews collected yet.

Keychron J5

3.7

3 owner reviews

Praise
“Totally enjoying this keyboard. Weight gives a quality feel. Love north facing RGB and effects. Price is in a sweet spot. Happy that I didn’t allow lack of reviews to affect my decision. Highly recommended.”
M.T.Verified buyer· via Keychron
Critique
“Originally had purchased (2) J5 keyboards for staff in the office in January. Upon delivery, the top number row of one of the keyboards did not work and had to be RMA'd, within a few weeks the second keyboard refused to work altogether. Received a replacement…”
T.Verified buyer· via Keychron

Full specs

Ajazz AC100 vs Keychron J5 specs

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

14 of 25 specs differ

Ajazz AC100

Keychron J5

Typing & switches

Switch options

Linear
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
—

Sound dampening

No
Yes

Layout

Layout size

96%
100%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

TFT
None

Media keys

No
Yes

Connectivity & battery

Connection

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

Max polling rate

—
1,000 Hz

Battery

8,000 mAhBetter
3,750 mAh

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
ABS

Plate material

FR4, Plastic
Steel

Keycaps

PBT
PBT

Weight

2,100 g
1,100 g

Dimensions

20 x 145 x 410 mm
35 x 436 x 129 mm

Typing angle

—
2°

Backlight

RGB, south-facing
RGB, north-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2024
2025

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
Keychron J53 stores
  • KeychronHK

    In stock
    $59Visit
  • Keychron (DE)DE

    In stock
    $109Visit
  • AmazonGlobal

    Check price
    Visit

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