AULA F99 Pro vs Keychron K4 Pro
Get the AULA F99 Pro for the 8,000 mAh battery.
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4.7 (41)4.7 · 41 reviews
from$68at Epomaker
90-day lowLowest price in 90 days
4.7 (7)4.7 · 7 reviews
from$69at Keychron
Which one should you get?
Get the
AULA F99 Pro
Battery
Build quality in the bottom 50% of 96% 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.
Get the
Keychron K4 Pro
Build quality in the top 10% of 96% boards under $100.
- South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
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 F99 Pro
Keychron K4 Pro
Connection
Bluetooth, 2.4 GHz, Wired
Bluetooth, Wired
Wireless for several devices and wired for lower latency
Battery
8,000 mAh
4,000 mAh
A larger battery means fewer cables during the day
Case material
ABS
ABS, Plastic
Switch options
Linear
Clicky, Linear, Tactile
Mount style
Gasket Mount
Tray Mount
- AULA F99 Pro
- Keychron K4 Pro
- Performance
- 6581
- Build quality
- 6284
- Productivity
- 8395
- Customizability
- 6696
- Portability
- 6354
- Layout size: 96%
- Hot-swappable
- Sound dampening
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
AULA F99 Pro
41 owner reviews
“I got the Aula F99 pro 2 of them and 2 of the Aula black mice. Most amazing keyboard and mouse. I use them with my Galaxy phone with Samsung Dex, as well my gaming pc.”
“JUNK GARBAGE TRASH. What can I say. I cant type on it and I cant use it. TOSSING IT”
Keychron K4 Pro
7 owner reviews
“I previously had a normal K4 and i love the new one, the only thing is that the stabilizers lube work is kinda bad and the space bar was very rattly but after some lube work the K4 pro retakes the perfect productivity keyboard.”
AULA F99 Pro vs Keychron K4 Pro specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
16 of 27 specs differ
AULA F99 Pro
Keychron K4 Pro
Switch options
Hot-swappable
Mount style
Sound dampening
Screw-in stabilizers
Layout size
Layout standard
Ergonomics
Knob
Display
Media keys
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 F99 Pro
No ISO layout at the stores we track.
Keychron K4 Pro
Keychron
ISO-DE, ISO-UK, ISO-Nordic, ISO-FR, ISO-ES, ISO-SW
Out of stockShips to you
Keychron (DE)
ISO-DE, ISO-UK, ISO-FR, ISO-ES, ISO-SW
Out of 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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