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Head to head · Prices checked Oct 21, 2026

AULA F87 Pro vs Epomaker EK21

Get the AULA F87 Pro for the 4,000 mAh battery. Get the Epomaker EK21 for knob.

EPOMAKER x AULA F87 Pro

Battery

AULA F87 Pro

4.8 · 12 reviews

from$75at Epomaker

Shop nowCompare 2 stores
EPOMAKER EK21

Knob

Epomaker EK21

4.5 · 34 reviews

from$39at Epomaker

Shop nowSee all prices

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 F87 Pro

Epomaker EK21

  • Layout size

    80%

    Numpad

  • Battery

    4,000 mAh

    1,000 mAh

  • Case material

    PBT, Silicone

    ABS

  • Knob

    No

    Yes

  • Weight

    1,023 g

    200 g

KeebFinder scores

How we score
  • AULA F87 Pro
  • Epomaker EK21
Performance
48
79
Build quality
47
77
Productivity
62
88
Customizability
52
82
Portability
69
88

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Mount style: Gasket Mount
  • 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 F87 Pro

4.8

12 owner reviews

Praise
“It’s nice but if it was with the volume thing on the top right like in the aula 75 it would be much better”
MzVerified buyer· via Epomaker
Critique
“When I charge the keyboard it only holds for like 10 hours and then I need to charge again”
Silas R.Verified buyer· via Epomaker

Epomaker EK21

4.5

34 owner reviews

Praise
“Great wireless connectivity, sounds and feels as good as my 200$ custom keyboard. Great buy especially with the discount, would definitely buy again.”
Jared T.Verified buyer· via Epomaker
Critique
“I have had this thing for years, I have updated to every Json file and firmware file I can find and it has NEVER worked right, Either the Json file or the firmware is jacked up and no one at Epomaker can give me any explanation. This numpad is the reason I…”
Chris· via Epomaker

Full specs

AULA F87 Pro vs Epomaker EK21 specs

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

11 of 23 specs differ

AULA F87 Pro

Epomaker EK21

Typing & switches

Switch options

—
Linear

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

80%
Numpad

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

No
Yes

Display

None
None

Connectivity & battery

Connection

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

Max polling rate

—
1,000 Hz

Battery

4,000 mAhBetter
1,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

PBT, Silicone
ABS

Plate material

Plastic
Polycarbonate

Keycaps

PBT
PBT

Weight

1,023 g
200 g

Dimensions

41 x 139 x 365 mm
29 x 138 x 93 mm

Backlight

RGB
RGB

Firmware & software

VIA

No
Yes

N-key rollover

No
Yes

Mac & Windows

No
Yes

Extras

Released

2023
2025

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

AULA F87 Pro3 stores
  • EpomakerUS

    In stock
    $75Visit
  • MechkeysCN

    In stock
    $75Visit
  • AmazonGlobal

    Check price
    Visit
  • EpomakerUS

    In stock
    $39Visit
  • AmazonGlobal

    Check price
    ~$39Visit

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.

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