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Head to head · Prices checked Oct 31, 2026

Epomaker EK21 vs Keychron Q4

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Quick verdict

Which one should you get?

Get the

Epomaker EK21

Build quality in the top 25% of Numpad boards under $50.

Rules this board out

  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
  • Numpad only. This is not a full keyboard.

Get the

Keychron Q4

Build quality in the top 5% of 60% boards under $100.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • Compact layout only. No function row, dedicated arrow keys, or numpad.

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.

Epomaker EK21

Keychron Q4

  • Layout size

    Numpad

    60%

  • Connection

    Bluetooth, 2.4 GHz, Wired

    Wired

    Wireless for several devices and wired for lower latency

  • Case material

    ABS

    Aluminum

  • Switch options

    Linear

    Clicky, Linear, Tactile

  • Mount style

    Gasket Mount

    Gasket Mount, Plate Mount

KeebFinder scores

How we score
  • Epomaker EK21
  • Keychron Q4
Performance
78
66
Build quality
76
90
Productivity
87
95
Customizability
82
98
Portability
88
71

What they share

  • Hot-swappable
  • Max polling rate: 1,000 Hz
  • Knob
  • VIA
  • Sound dampening
See every spec side by side

From real owners

What owners say

Ratings and quotes collected from verified store reviews, including the critical ones.

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

Keychron Q4

4.7

10 owner reviews

Praise
“Perfect keyboard, sounds lovely, feels lovely, i just fee like the white keys are a lot more cream than pictured. Not an issue though! Just a little annoying haha”
E.B.Verified buyer· via Keychron

Full specs

Epomaker EK21 vs Keychron Q4 specs

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

16 of 27 specs differ

Epomaker EK21

Keychron Q4

Typing & switches

Switch options

Linear
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount, Plate Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

Numpad
60%

Layout standard

ANSI
ANSI, ISO, ISO-DE, ISO-ES, ISO-FR, ISO-Nordic, ISO-SW, ISO-UK, JIS

Ergonomics

Standard
Standard

Knob

Yes
Yes

Display

None
None

Media keys

No
Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Wired

Max polling rate

1,000 Hz
1,000 Hz

Battery

1,000 mAh
Wired only

USB-C

Yes
Yes

Build & materials

Case material

ABS
Aluminum

Plate material

Polycarbonate
Steel

Keycaps

PBT
ABS, PBT

Weight

200 g
1,500 g

Dimensions

29 x 138 x 93 mm
20 x 121 x 303 mm

Typing angle

—
7°

Backlight

RGB
RGB, south-facing

Firmware & software

QMK

No
Yes

VIA

Yes
Yes

N-key rollover

Yes
No

Mac & Windows

Yes
Yes

Extras

Released

2025
2022

For EU buyers

ISO layouts by store

Which stores sell ISO-DE, UK, and the other regional layouts.

Epomaker EK21

No ISO layout at the stores we track.

Keychron Q4

  • Keychron

    ISO-DE, ISO-UK, ISO-Nordic, ISO-FR, ISO-ES, ISO-SW

    In stockShips to you

  • Keychron (DE)

    ISO-DE, ISO-UK, ISO-Nordic, ISO-FR, ISO-ES, ISO-SW

    In stockDoes not ship to you

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.

Keychron Q44 stores

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