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Head to head · Prices checked Nov 12, 2026

AULA L99 vs Keychron J5

Get the AULA L99 for the 8,000 mAh battery and the 8,000 Hz polling rate.

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Quick verdict

Which one should you get?

Get the

AULA L99

Battery

Build quality in the top 40% of 98% boards under $150.

Rules this board out

  • Compact full-size layout. The numpad is present, the gaps of a full-size board are not.

Get the

Keychron J5

Build quality in the top 20% of 100% boards under $100.

Rules this board out

  • North-facing LEDs. Cherry-profile keycaps can hit the switch housing.

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.

AULA L99

Keychron J5

  • Layout size

    98%

    100%

  • Battery

    8,000 mAh

    3,750 mAh

    A larger battery means fewer cables during the day

  • Max polling rate

    8,000 Hz

    1,000 Hz

    Higher polling helps competitive FPS and does nothing for typing

  • Switch options

    Linear

    Clicky, Linear, Tactile

  • Display

    IPS

    None

    A case display rather than a typing feature

KeebFinder scores

How we score
  • AULA L99
  • Keychron J5
Performance
88
82
Build quality
65
71
Productivity
78
89
Customizability
70
88
Portability
68
54

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Sound dampening
See every spec side by side

Full specs

AULA L99 vs Keychron J5 specs

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

12 of 25 specs differ

AULA L99

Keychron J5

Typing & switches

Switch options

Linear
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
—

Sound dampening

Yes
Yes

Layout

Layout size

98%
100%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

IPS
None

Media keys

No
Yes

Connectivity & battery

Connection

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

Max polling rate

8,000 HzBetter
1,000 Hz

Battery

8,000 mAhBetter
3,750 mAh

USB-C

Yes
Yes

Build & materials

Case material

—
ABS

Plate material

Polycarbonate
Steel

Keycaps

—
PBT

Weight

1,500 g
1,100 g

Dimensions

53 x 420 x 180 mm
35 x 436 x 129 mm

Typing angle

—
2°

Backlight

RGB
RGB, north-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2025
2025

Where to buy

Compare prices

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

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.

Lowest price across stores, Amazon excluded.

AULA L992 stores
Keychron J53 stores

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