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Head to head · Prices checked Nov 11, 2026

GravaStar Mercury K1 vs XVX MU68 FujiWave

Get the GravaStar Mercury K1 for the 8,000 mAh battery. Get the XVX MU68 FujiWave for qmk and via.

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Quick verdict

Which one should you get?

Get the

GravaStar Mercury K1

Battery

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

Rules this board out

  • No numpad.
$139 at WhatGeek

Get the

XVX MU68 FujiWave

QMK

Build quality in the top 20% of 65% boards under $150.

Rules this board out

  • 65% layout. No function row and no numpad.
$109 at XVX

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.

GravaStar Mercury K1

XVX MU68 FujiWave

  • Layout size

    75%

    65%

  • Battery

    8,000 mAh

    4,000 mAh

    A larger battery means fewer cables during the day

  • Case material

    Aluminum

    Wood

  • QMK

    No

    Yes

    The deep option when you want to remap every key

  • VIA

    No

    Yes

    GUI remapping without compiling firmware

KeebFinder scores

How we score
  • GravaStar Mercury K1
  • XVX MU68 FujiWave
Performance
65
49
Build quality
67
79
Productivity
67
73
Customizability
63
81
Portability
92
89

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Switch options: Linear
  • Mount style: Gasket Mount
See every spec side by side

Full specs

GravaStar Mercury K1 vs XVX MU68 FujiWave specs

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

8 of 20 specs differ

GravaStar Mercury K1

XVX MU68 FujiWave

Typing & switches

Switch options

Linear
Linear

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Layout

Layout size

75%
65%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Connectivity & battery

Connection

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

Battery

8,000 mAhBetter
4,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
Wood

Plate material

POM
—

Keycaps

—
PBT

Weight

1,080 g
—

Dimensions

46 x 343 x 156 mm
31 x 326 x 122 mm

Backlight

RGB
None

Firmware & software

QMK

No
Yes

VIA

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2024
2025

Where to buy

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.

GravaStar Mercury K12 stores
XVX MU68 FujiWave2 stores

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