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Head to head · Prices checked Oct 28, 2026

Epomaker LUMA100 vs Keychron K5 Ultra

Get the Epomaker LUMA100 for the 3,000 mAh battery. Get the Keychron K5 Ultra for the 8,000 Hz polling rate and knob.

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Quick verdict

Which one should you get?

Get the

Epomaker LUMA100

Battery

Build quality in the top 30% of 96% boards under $150.

Rules this board out

  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.
  • North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
  • Compact full-size layout. The numpad is present, the gaps of a full-size board are not.

Get the

Keychron K5 Ultra

polling rate

Build quality in the top 15% of 100% boards under $150.

Rules this board out

  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.
  • 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.

Epomaker LUMA100

Keychron K5 Ultra

  • Layout size

    96%

    100%

  • Battery

    3,000 mAh

    2,600 mAh

    A larger battery means fewer cables during the day

  • Max polling rate

    1,000 Hz

    8,000 Hz

    Higher polling helps competitive FPS and does nothing for typing

  • Case material

    Aluminum

    ABS, Metal, Wood

  • Knob

    No

    Yes

KeebFinder scores

How we score
  • Epomaker LUMA100
  • Keychron K5 Ultra
Performance
68
91
Build quality
75
75
Productivity
84
93
Customizability
74
89
Portability
56
56

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Low profile
  • 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 LUMA100

5.0

5 owner reviews

Praise
“great keyboard. the O wasn’t working initially but i just swapped it out with the extras in the set. love the feel and customization of it”
Denny M.Verified buyer· via Epomaker

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

Epomaker LUMA100 vs Keychron K5 Ultra specs

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

11 of 25 specs differ

Epomaker LUMA100

Keychron K5 Ultra

Typing & switches

Switch options

—
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
—

Low profile

Yes
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

No
Yes

Display

None
None

Connectivity & battery

Connection

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

Max polling rate

1,000 Hz
8,000 HzBetter

Battery

3,000 mAhBetter
2,600 mAh

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
ABS, Metal, Wood

Plate material

Polycarbonate
Aluminum

Keycaps

ABS
PBT

Weight

620 g
566 g

Dimensions

26 x 371 x 129 mm
—

Backlight

RGB, north-facing
RGB, north-facing

Firmware & software

QMK

No
Yes

VIA

Yes
Yes

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2026
2026

For EU buyers

ISO layouts by store

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

Epomaker LUMA100

No ISO layout at the stores we track.

Keychron K5 Ultra

  • Keychron (DE)

    ISO-DE, ISO-FR, ISO-ES, ISO-IT

    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.

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