Keychron K3 Max SE vs K5 Ultra
Get the Keychron K5 Ultra for the 2,600 mAh battery and the 8,000 Hz polling rate.
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5.0 (2)5.0 · 2 reviews
from$104at Keychron
5.0 (4)5.0 · 4 reviews
from$114at Keychron
Which one should you get?
Get the
Keychron K3 Max SE
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 ISO layout. ISO-DE, UK, and other ISO variants are not offered.
- No numpad.
Get the
Keychron K5 Ultra
Battery
Build quality in the top 15% of 100% 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.
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.
Keychron K3 Max SE
Keychron K5 Ultra
Layout size
75%
100%
Battery
1,550 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
ABS, Wood
ABS, Metal, Wood
Knob
No
Yes
- Keychron K3 Max SE
- Keychron K5 Ultra
- Performance
- 8091
- Build quality
- 7475
- Productivity
- 8993
- Customizability
- 8689
- Portability
- 8056
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Low profile
- Switch options: Clicky, Linear, Tactile
- Weight: 566 g
- QMK
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
Keychron K3 Max SE
2 owner reviews
“Beautiful service from yourselves, got updates at every point required. Product is amazing and arrived wrapped well. Only issue was the courier delivering the parcel by throwing it into the house rather than handing it in person. Already reviewed their poor…”
Keychron K5 Ultra
4 owner reviews
“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.”
Keychron K3 Max SE vs K5 Ultra specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
6 of 24 specs differ
Keychron K3 Max SE
Keychron K5 Ultra
Switch options
Hot-swappable
Low profile
Sound dampening
Layout size
Layout standard
Ergonomics
Knob
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.
Keychron K3 Max SE
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
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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