Not sure which keyboard to choose? Try the Keyboard Finder now!

Head to head · Prices checked Nov 10, 2026

AULA F99 Max vs Keychron J5

Get the AULA F99 Max for the 8,000 mAh battery and knob.

KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

EPOMAKER x AULA F99 Max

4.5 (2)

$84at Epomaker

90-day low

Quick verdict

Which one should you get?

Get the

AULA F99 Max

Battery

Build quality in the top 45% of 96% boards under $100.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • 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 F99 Max

Keychron J5

  • Layout size

    96%

    100%

  • Battery

    8,000 mAh

    3,750 mAh

    A larger battery means fewer cables during the day

  • Switch options

    Linear

    Clicky, Linear, Tactile

  • Knob

    Yes

    No

  • Display

    TFT

    None

    A case display rather than a typing feature

KeebFinder scores

How we score
  • AULA F99 Max
  • Keychron J5
Performance
66
82
Build quality
68
71
Productivity
83
89
Customizability
73
88
Portability
63
54

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Max polling rate: 1,000 Hz
  • Case material: ABS
  • 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.

AULA F99 Max

4.5

2 owner reviews

Praise
“Wish is had like a thickly more creamy sound but gets the job done”
Isaiah B.Verified buyer· via Epomaker

Keychron J5

5.0

2 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

Full specs

AULA F99 Max vs Keychron J5 specs

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

14 of 26 specs differ

AULA F99 Max

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

96%
100%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
No

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
1,000 Hz

Battery

8,000 mAhBetter
3,750 mAh

USB-C

Yes
Yes

Build & materials

Case material

ABS
ABS

Plate material

Polycarbonate
Steel

Keycaps

PBT
PBT

Weight

1,175 g
1,100 g

Dimensions

43 x 139 x 407 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

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2026
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 F99 Max2 stores
Keychron J53 stores

Still torn?

Answer a few quick questions and the keyboard finder ranks 2,000+ boards by how you will actually use yours.