Epomaker Luma40 vs Keychron K3 Ultra
Get the Keychron K3 Ultra for the 2,600 mAh battery and the 8,000 Hz polling rate.
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5.0 (3)5.0 · 3 reviews
from$92at Epomaker
90-day lowLowest price in 90 days
4.3 (9)4.3 · 9 reviews
from$109at MK
Which one should you get?
Get the
Epomaker Luma40
Build quality in the top 20% of 40% boards under $150.
- 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 layout only. No function row, dedicated arrow keys, or numpad.
Get the
Keychron K3 Ultra
Battery
Build quality in the top 30% of 75% boards under $150.
- Low-profile switches and keycaps only. Standard MX keycaps will not fit.
- North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
- No numpad.
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 Luma40
Keychron K3 Ultra
Layout size
40%
75%
Battery
1,450 mAh
2,600 mAh
A larger battery means fewer cables during the day
Ergonomics
Ortholinear
Standard
Max polling rate
1,000 Hz
8,000 Hz
Higher polling helps competitive FPS and does nothing for typing
Case material
Aluminum
ABS, Wood
- Epomaker Luma40
- Keychron K3 Ultra
- Performance
- 7386
- Build quality
- 8175
- Productivity
- 8889
- Customizability
- 8586
- Portability
- 8582
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Low profile
- QMK
- VIA
- Sound dampening
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
Epomaker Luma40
3 owner reviews
“Hello there the luma 40 is one of my favorite keebs i used i can bring it anywhere with me i really love it thanks u guys”
Keychron K3 Ultra
9 owner reviews
“Portable, match my minimalist setup, great feeling, high quality, durable”
“Meh. I dont like the wood grain and they make it difficult to return or exchange”
Epomaker Luma40 vs Keychron K3 Ultra specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
12 of 24 specs differ
Epomaker Luma40
Keychron K3 Ultra
Switch options
Hot-swappable
Mount style
Low profile
Sound dampening
Layout size
Layout standard
Ergonomics
Display
Connection
Max polling rate
Battery
USB-C
Case material
Plate material
Keycaps
Weight
Dimensions
Backlight
QMK
VIA
N-key rollover
Mac & Windows
Released
ISO layouts by store
Which stores sell ISO-DE, UK, and the other regional layouts.
Epomaker Luma40
No ISO layout at the stores we track.
Keychron K3 Ultra
Keychron
ISO
In stockShips to you
Keychron (DE)
ISO
In stockDoes not ship to you
Compare prices
Live prices from the stores we track, cheapest in-stock offer first.
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Lowest price across stores, Amazon excluded.
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