GravaStar Mercury K1 vs Varmilo Minilo75 ProAluminum vs Customization
Choose the GravaStar Mercury K1 for its premium aluminum build and long battery life, or the Varmilo Minilo75 Pro for superior software customization and layout flexibility.
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Which one should you get?
Get the
GravaStar Mercury K1
Aluminum
Build quality in the top 50% of 75% boards under $150.
- Full aluminum alloy case construction for a premium, solid feel.
- Large 8000mAh battery capacity for extended wireless use.
- Unique aesthetic with a three-sided 'streamer effect' RGB lighting design.
- No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
Get the
Varmilo Minilo75 Pro
Customization
Build quality in the top 30% of 75% boards under $150.
- Extensive layout support for ANSI and numerous ISO regional variants.
- Full QMK and VIA firmware compatibility for deep key remapping and macros.
- Includes multiple sound-dampening materials like Poron foam, IXPE pad, and a PET sound dampener.
- South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
Your priority should guide your choice. If you value a premium metal build, distinctive lighting, and maximum battery life above all else, the GravaStar Mercury K1 is compelling. For users who need extensive software customization, quiet operation, low-latency gaming, or specific international layouts, the Varmilo Minilo75 Pro offers significantly more features and flexibility for a similar price.
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.
GravaStar Mercury K1
Varmilo Minilo75 Pro
Battery
8,000 mAh
4,000 mAh
A larger battery means fewer cables during the day
Case material
Aluminum
Plastic
Switch options
Linear
Clicky, Linear, Silent, Tactile
Weight
1,080 g
850 g
Heavier boards stay planted and lighter ones travel
QMK
No
Yes
The deep option when you want to remap every key
- GravaStar Mercury K1
- Varmilo Minilo75 Pro
- Performance
- 6680
- Build quality
- 6775
- Productivity
- 6789
- Customizability
- 6486
- Portability
- 9282
- Layout size: 75%
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Mount style: Gasket Mount
What will you mostly use it for?
The Varmilo Minilo75 Pro is the more versatile choice for most productivity-focused tasks, winning in Gaming, Office, Programming, and Modding due to its confirmed low-latency performance, quiet switch options, extensive customization software, and detailed internal construction. The GravaStar Mercury K1 takes the lead for Travel thanks to its larger battery capacity and more compact footprint. For Content Creation, the decision hinges on whether visual design or macro programmability is more important.
Pick the Varmilo Minilo75 Pro
- The Varmilo Minilo75 Pro lists a 1000 Hz polling rate and 1ms latency in its 2.4 GHz and wired modes, which the manufacturer states is for competitive gaming.
- It features N-key rollover support, ensuring all keypresses are registered.
- The GravaStar Mercury K1 does not have its polling rate or latency specified in the provided information.
GravaStar Mercury K1 vs Varmilo Minilo75 Pro specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
13 of 24 specs differ
GravaStar Mercury K1
Varmilo Minilo75 Pro
Switch options
Hot-swappable
Mount style
Sound dampening
Layout size
Layout standard
Ergonomics
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.
GravaStar Mercury K1
No ISO layout at the stores we track.
Varmilo Minilo75 Pro
Varmilo
ISO-DE, ISO-UK, ISO-FR, ISO-SW
In stockShips 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.
GravaStar Mercury K1 vs Varmilo Minilo75 Pro: your questions
The GravaStar Mercury K1 has a larger 8000mAh battery, which should theoretically provide longer usage between charges compared to the Varmilo Minilo75 Pro's 4000mAh battery. The Varmilo's vendor claims over 20 days of working time with lights off.
Yes. The Varmilo Minilo75 Pro explicitly supports macOS and includes three additional Mac OS keys and four Mac-specific keycaps in the box. You can switch between Windows and Mac layouts by holding Fn+Tab for 5 seconds.
Yes, both the GravaStar Mercury K1 and the Varmilo Minilo75 Pro feature hot-swappable sockets. The GravaStar supports 3-pin and 5-pin switches, while the Varmilo also supports 3-pin and 5-pin switches.
The Varmilo Minilo75 Pro is better suited for silent typing. It offers factory-lubed silent switch options like the Kailh Prestige Silent and includes multiple layers of sound-dampening foam. The GravaStar Mercury K1 is only listed with linear switches, which are not described as silent.
The provided specifications and vendor description for the GravaStar Mercury K1 do not mention support for QMK, VIA, or any advanced key remapping software. It lists a driver download but does not specify its capabilities.
The Varmilo Minilo75 Pro uses PBT keycaps in a Cherry profile. The GravaStar Mercury K1's vendor description does not specify the keycap material.
According to its vendor page, the Varmilo Minilo75 Pro is designed for competitive gaming. It features a 1000 Hz polling rate and 1ms ultra-low latency in its 2.4 GHz and wired modes, along with N-key rollover support.
The Varmilo Minilo75 Pro offers extensive ISO layout support. You select your desired language option at purchase. The keyboard ships with a Swedish default layout and includes an extra keycap set for your chosen language group (e.g., German/Danish/Norwegian or French/Belgian).
The GravaStar Mercury K1 is heavier, weighing 1080g (1.08kg). The Varmilo Minilo75 Pro weighs 850g (0.85kg). The GravaStar's aluminum case contributes to its higher weight.
Yes, both are moddable. The Varmilo Minilo75 Pro is particularly mod-friendly, as its vendor description details the internal foam layers (Poron plate foam, IXPE pad, Poron PCB foam) and notes you can remove the IXPE and PET pads to alter the sound. Both have gasket mounts and hot-swap PCBs for further customization.
The GravaStar Mercury K1's vendor description mentions an 'unprecedented three-sided streamer effect' as part of its RGB lighting. It is described as a unique visual transformation that activates within one second, creating a distinctive look around the aluminum exoskeleton.
Not sold on either?
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