AULA F75 Max vs GravaStar Mercury K1Screen vs Aluminum Build
Choose the AULA F75 Max for more features and a lower price, or the GravaStar Mercury K1 for its premium aluminum build and massive battery.
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Which one should you get?
Get the
AULA F75 Max
Screen
Build quality in the top 25% of 75% boards under $100.
- Includes a customizable TFT screen for GIFs, system info, and lighting control.
- Extensive sound-dampening package with a flex-cut PC plate, IXPE pad, PET pad, and layered foams.
- Confirms a 1000Hz polling rate in both wired and wireless modes.
- South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
Get the
GravaStar Mercury K1
Aluminum Build
Build quality in the top 50% of 75% boards under $150.
- Constructed with an aluminum alloy case for a premium, durable feel.
- Features a very large 8000mAh battery for extended wireless use.
- Uses a POM plate, which can contribute to a distinct typing sound and feel.
For most users, the AULA F75 Max delivers superior value with its high-end features like a TFT screen, detailed acoustic tuning, and confirmed performance specs at a more accessible price. Opt for the GravaStar Mercury K1 if your priority is the tactile premium feel of an aluminum chassis and you require maximum battery life above all other features, and are willing to invest more for that specific combination.
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 Max
GravaStar Mercury K1
Battery
4,000 mAh
8,000 mAh
A larger battery means fewer cables during the day
Case material
ABS
Aluminum
Knob
Yes
No
Display
TFT
None
A case display rather than a typing feature
Weight
960 g
1,080 g
Heavier boards stay planted and lighter ones travel
- AULA F75 Max
- GravaStar Mercury K1
- Performance
- 7866
- Build quality
- 7667
- Productivity
- 9167
- Customizability
- 7864
- Portability
- 7992
- Layout size: 75%
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Switch options: Linear
- Mount style: Gasket Mount
What will you mostly use it for?
The AULA F75 Max is the more versatile choice, winning in most categories due to its programmable screen, detailed sound-dampening construction, and confirmed high-performance specs for gaming. It is particularly strong for productivity, programming, and content creation. The GravaStar Mercury K1's primary advantage is its substantial battery life, making it a contender for travel or situations where charging is inconvenient, and its aluminum build appeals to those seeking a premium material feel.
Pick the AULA F75 Max
- The AULA F75 Max lists a 1000Hz polling rate for its wireless modes, a spec not provided for the Mercury K1.
- Its vendor description mentions N-Key Rollover (NKRO) and anti-ghosting across all modes.
- The inclusion of a volume knob and media controls offers convenient in-game audio adjustment.
AULA F75 Max vs GravaStar Mercury K1 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
11 of 23 specs differ
AULA F75 Max
GravaStar Mercury K1
Switch options
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
Backlight
N-key rollover
Mac & Windows
Released
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AULA F75 Max vs GravaStar Mercury K1: your questions
The GravaStar Mercury K1 has a larger 8000mAh battery compared to the AULA F75 Max's 4000mAh battery. Based on capacity alone, the Mercury K1 should last significantly longer between charges, especially with RGB lighting enabled.
No. The GravaStar Mercury K1 does not include a volume knob or a TFT screen according to its specifications and vendor description. The AULA F75 Max includes both a metal volume knob and a customizable TFT screen.
Yes, both the AULA F75 Max and the GravaStar Mercury K1 feature hot-swappable sockets. The AULA's listing specifies compatibility with 3-pin and 5-pin switches, while the GravaStar's description also mentions support for both pin types.
The AULA F75 Max is more explicitly designed for modding. Its vendor description details screw-in stabilizers, a flex-cut PC plate, and multiple foam layers (IXPE, PET) for sound tuning. It also has south-facing RGB LEDs, which prevent interference with Cherry-profile keycaps.
The key material difference is the case. The AULA F75 Max uses an ABS plastic case, while the GravaStar Mercury K1 features an aluminum alloy case. The Mercury K1 also lists a POM plate, whereas the AULA uses a PC plate.
Yes. According to the vendor description, the TFT screen on the AULA F75 Max supports displaying custom GIFs and photos. Full customization of the screen content requires the use of the included software.
Both keyboards list Mac support among their extra features. They offer cross-platform compatibility via their USB-C wired and wireless Bluetooth connections.
The GravaStar Mercury K1 is slightly heavier at 1080 grams, compared to the AULA F75 Max at 960 grams. The difference is partly due to the Mercury K1's aluminum construction.
Both keyboards come with pre-installed linear switches. The AULA F75 Max includes factory-lubed LEOBOG Reaper switches. The GravaStar Mercury K1 comes with custom Kailh linear switches, such as the Cherry Pink or Star Pink variants.
The AULA F75 Max is designed for ergonomic typing. Its vendor page highlights a 2cm low front height, a 2-stage adjustable kickstand, and a gasket mount structure with a flex-cut plate to provide a softer, more comfortable typing experience during long sessions.
Both are tri-mode keyboards, offering connectivity via Bluetooth, a 2.4GHz wireless dongle, and a USB-C wired connection. This provides flexibility for use with PCs, laptops, tablets, and other devices.
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