AULA F75 Ultra vs Keychron K4 HE
Get the AULA F75 Ultra for the 10,000 mAh battery. Get the Keychron K4 HE for hall effect and rapid trigger.
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4.7 (3)4.7 · 3 reviews
from$72at Epomaker
90-day lowLowest price in 90 days
4.9 (8)4.9 · 8 reviews
from$118at MK
Which one should you get?
Get the
AULA F75 Ultra
Battery
Build quality in the top 35% of 75% boards under $100.
- South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
- No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
- No numpad.
Get the
Keychron K4 HE
Hall effect
Build quality in the top 10% of 96% boards under $150.
- Magnetic switches only. Standard MX switches will not fit.
- North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
- Compact full-size layout. The numpad is present, the gaps of a full-size board are not.
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 F75 Ultra
Keychron K4 HE
Layout size
75%
96%
Hall effect (magnetic)
No
Yes
Adjustable actuation helps in games and not in normal typing
Rapid trigger
No
Yes
Faster resets help in games and not in normal typing
Connection
Bluetooth, 2.4 GHz, Wired
Bluetooth, Wired, 2.4 GHz
Wireless for several devices and wired for lower latency
Battery
10,000 mAh
4,000 mAh
A larger battery means fewer cables during the day
- AULA F75 Ultra
- Keychron K4 HE
- Performance
- 8192
- Build quality
- 7287
- Productivity
- 8994
- Customizability
- 7889
- Portability
- 9156
- Hot-swappable
- Max polling rate: 1,000 Hz
- VIA
- Sound dampening
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
AULA F75 Ultra
3 owner reviews
“Keyboard sounds nice, works nice, the software is a bit of an issue to set up as there aren't any proper instructions but you just need the drivers and the VIA app.”
Keychron K4 HE
8 owner reviews
“So far it have met my expectations for the use i wanted it for, had a small hic up the first day i started ysing it but got easily resolved with the provided user manual”
AULA F75 Ultra vs Keychron K4 HE specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
19 of 28 specs differ
AULA F75 Ultra
Keychron K4 HE
Switch options
Hall effect (magnetic)
Rapid trigger
Hot-swappable
Mount style
Sound dampening
Screw-in stabilizers
Layout size
Layout standard
Ergonomics
Knob
Display
Connection
Max polling rate
Battery
USB-C
Case material
Plate material
Keycaps
Weight
Dimensions
Typing angle
Backlight
QMK
VIA
N-key rollover
Mac & Windows
Released
ISO layouts by store
Which stores sell ISO-DE, UK, and the other regional layouts.
AULA F75 Ultra
No ISO layout at the stores we track.
Keychron K4 HE
Keychron
ISO-DE, ISO-UK, ISO-Nordic, ISO-CH
In stockShips to you
Keychron (DE)
ISO-DE, ISO-UK, ISO-FR, ISO-ES, ISO-CH
In stockDoes not ship to you
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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