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Head to head · Prices checked Nov 10, 2026

Cidoo V75 Pro vs GravaStar Mercury K1VIA or bigger battery

Choose the Cidoo V75 Pro for VIA programming and its multimedia knob, or the GravaStar Mercury K1 for its larger 8000mAh battery.

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Quick verdict

Which one should you get?

Get the

Cidoo V75 Pro

Knob

Build quality in the top 50% of 75% boards under $150.

If you want

  • VIA support enables programming of the keys and multimedia knob.
  • Aluminum multimedia knob provides volume and play/pause controls.
  • Full-key hot-swappable sockets are listed, alongside a plastic plate.

Get the

GravaStar Mercury K1

Battery

Build quality in the top 50% of 75% boards under $150.

If you want

  • 8000mAh battery, compared with the V75 Pro's 3000mAh.
  • POM plate and aluminum case, according to the product metadata.
  • Hot-swappable sockets support 3-pin and 5-pin switches, according to the vendor.

Bottom line

Choose the Cidoo V75 Pro if you want VIA programming, a multimedia knob, and the vendor-described PORON sound-absorbing padding. Choose the GravaStar Mercury K1 if battery capacity is the priority, or if its POM plate and three-sided lighting effect better suit your setup. Both offer a 75% layout, aluminum case, hot-swap sockets, and Bluetooth, 2.4 GHz, and wired connectivity.

What actually differs

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.

Cidoo V75 Pro

GravaStar Mercury K1

  • Battery

    3,000 mAh

    8,000 mAh

    A larger battery means fewer cables during the day

  • Knob

    Yes

    No

  • VIA

    Yes

    No

    GUI remapping without compiling firmware

  • Sound dampening

    Yes

    No

  • Plate material

    Plastic

    POM

KeebFinder scores

How we score
  • Cidoo V75 Pro
  • GravaStar Mercury K1
Performance
54
66
Build quality
68
67
Productivity
89
67
Customizability
82
64
Portability
83
92

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Case material: Aluminum
  • Switch options: Linear
  • Mount style: Gasket Mount
See every spec side by side

Best for

What will you mostly use it for?

The Mercury K1 gets the gaming and travel picks, while the V75 Pro leads for office work, programming, modding, and content creation. Their shared 75% layout, linear switches, gasket mounts, and multi-mode connectivity make the choice less about basic format and more about specific controls and battery capacity. The V75 Pro has the clearer customization feature set; the Mercury K1 offers the larger battery.

For gaming

Pick the GravaStar Mercury K1

  • The Mercury K1 vendor lists anti-ghosting and custom Kailh linear switches.
  • Its 75% layout, gasket mount, and tri-mode connectivity match the Cidoo's listed layout, mount, and connectivity.

Full specs

Cidoo V75 Pro vs GravaStar Mercury K1 specs

Every tracked spec, side by side. Rows marked with a dot differ between the boards.

7 of 22 specs differ

Cidoo V75 Pro

GravaStar Mercury K1

Typing & switches

Switch options

Linear
Linear

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
No

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
No

Display

None
None

Media keys

Yes
No

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Bluetooth, 2.4 GHz, Wired

Battery

3,000 mAh
8,000 mAhBetter

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
Aluminum

Plate material

Plastic
POM

Keycaps

PBT
—

Weight

—
1,080 g

Dimensions

—
46 x 343 x 156 mm

Backlight

RGB
RGB

Firmware & software

VIA

Yes
No

Mac & Windows

Yes
Yes

Extras

Released

2023
2024

Where to buy

Compare prices

Live prices from the stores we track, cheapest in-stock offer first.

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Lowest price across stores, Amazon excluded.

FAQ

Cidoo V75 Pro vs GravaStar Mercury K1: your questions

The V75 Pro adds VIA support, a programmable multimedia knob, and vendor-described sound-absorbing padding. The Mercury K1 has an 8000mAh battery and a POM plate, while the V75 Pro's listed battery is 3000mAh.

The GravaStar Mercury K1 has an 8000mAh battery, while the Cidoo V75 Pro has a 3000mAh battery. The listings do not provide directly comparable battery-life figures for the two keyboards.

Yes, the V75 Pro lists VIA support. Its vendor says the keys and aluminum multimedia knob can be programmed.

Yes, the Mercury K1 lists hot-swappable sockets. Its vendor says the sockets accommodate 3-pin and 5-pin switches.

Both list Bluetooth and 2.4 GHz wireless connectivity, as well as wired USB-C connectivity. The listings describe these as three-mode connection options.

The Cidoo V75 Pro lists an aluminum multimedia knob. Its vendor says the knob can control volume and play or pause media, and it can be programmed through VIA.

The Cidoo V75 Pro is listed with a plastic plate, and the GravaStar Mercury K1 is listed with a POM plate. The V75 Pro vendor describes its plate as a PC slotted positioning plate.

The Cidoo V75 Pro is the more directly customizable option because it lists VIA support for key and knob programming. Both keyboards have a 75% ANSI layout.

The Mercury K1 has a 75% layout, linear switches, gasket mounting, and wired or wireless connectivity. Its vendor also lists anti-ghosting, but the product details do not provide specific latency or polling-rate figures.

The Mercury K1 has listed dimensions of 343 x 156 x 46 mm and weighs 1080g. The V75 Pro's dimensions and weight are not listed here, so those figures alone do not establish which is easier to carry.

Yes, both product listings specify RGB lighting. The Mercury K1 vendor additionally describes a three-sided streamer effect.

Both product listings specify Mac/Win support. The V75 Pro vendor also names Android, Linux, and iOS, while no equivalent additional operating-system list is given for the Mercury K1.

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