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Head to head · Prices checked Oct 21, 2026

Ajazz AK992 vs Keychron K5 Ultra

Get the Ajazz AK992 for the 4,000 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 AK992

Keychron K5 Ultra

  • Layout size

    96%

    100%

  • Battery

    4,000 mAh

    2,600 mAh

  • Low profile

    No

    Yes

  • Case material

    ABS, Aluminum, PBT, Plastic

    ABS, Metal, Wood

  • Weight

    1,060 g

    566 g

KeebFinder scores

How we score
  • Ajazz AK992
  • Keychron K5 Ultra
Performance
51
91
Build quality
61
75
Productivity
84
93
Customizability
74
89
Portability
54
56

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Switch options: Clicky, Linear, Tactile
  • Knob
  • 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.

Ajazz AK992

No owner reviews collected yet.

Keychron K5 Ultra

5.0

4 owner reviews

Praise
“This keyboard is exactly what I was looking for. Low profile, great switches, not uber gamery. Very happy so far, hopefully it keeps working for a long time.”
StephenVerified buyer· via Keychron

Full specs

Ajazz AK992 vs Keychron K5 Ultra specs

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

12 of 26 specs differ

Ajazz AK992

Keychron K5 Ultra

Typing & switches

Switch options

Clicky, Linear, Tactile
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
—

Low profile

No
Yes

Sound dampening

Yes
Yes

Layout

Layout size

96%
100%

Layout standard

ANSI
ANSI, ISO, ISO-DE, ISO-ES, ISO-FR, ISO-IT, ISO-PT

Ergonomics

Standard
Standard

Knob

Yes
Yes

Display

None
None

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 mAhBetter
2,600 mAh

USB-C

Yes
Yes

Build & materials

Case material

ABS, Aluminum, PBT, Plastic
ABS, Metal, Wood

Plate material

—
Aluminum

Keycaps

PBT
PBT

Weight

1,060 g
566 g

Dimensions

40 x 391 x 142 mm
—

Backlight

RGB
RGB, north-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2023
2026

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

Ajazz AK9923 stores
  • MechkeysCN

    In stock
    $65Visit
  • AmazonGlobal

    Check price
    ~$65Visit
  • WhatGeekCN

    Out of stock
    $39Visit
  • KeychronHK

    In stock
    $114Visit
  • Keychron (DE)DE

    In stock
    $145Visit
  • AmazonGlobal

    Check price
    Visit

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