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Head to head · Prices checked Oct 28, 2026

Nuphy Gem80 vs GravaStar Mercury K1

Get the GravaStar Mercury K1 for the 8,000 mAh battery.

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Quick verdict

Which one should you get?

Get the

Nuphy Gem80

Build quality in the top 10% of 80% boards under $200.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • No numpad.

Get the

GravaStar Mercury K1

Battery

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

Rules this board out

  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
  • No numpad.

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.

Nuphy Gem80

GravaStar Mercury K1

  • Layout size

    80%

    75%

  • Battery

    4,000 mAh

    8,000 mAh

    A larger battery means fewer cables during the day

  • Case material

    Aluminum, Polycarbonate

    Aluminum

  • Switch options

    Mechanical

    Linear

  • Weight

    1,120 g

    1,080 g

    Heavier boards stay planted and lighter ones travel

KeebFinder scores

How we score
  • Nuphy Gem80
  • GravaStar Mercury K1
Performance
80
66
Build quality
84
67
Productivity
88
67
Customizability
94
64
Portability
76
92

What they share

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

Full specs

Nuphy Gem80 vs GravaStar Mercury K1 specs

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

14 of 25 specs differ

Nuphy Gem80

GravaStar Mercury K1

Typing & switches

Switch options

Mechanical
Linear

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
No

Layout

Layout size

80%
75%

Layout standard

ANSI, ISO, ISO-DE
ANSI

Ergonomics

Standard
Standard

Display

None
None

Media keys

Yes
No

Connectivity & battery

Connection

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

Max polling rate

1,000 Hz
—

Battery

4,000 mAh
8,000 mAhBetter

USB-C

Yes
Yes

Build & materials

Case material

Aluminum, Polycarbonate
Aluminum

Plate material

Aluminum, FR4, Polycarbonate, POM
POM

Keycaps

ABS, PBT
—

Weight

1,120 g
1,080 g

Dimensions

37 x 358 x 141 mm
46 x 343 x 156 mm

Typing angle

6°
—

Backlight

RGB, south-facing
RGB

Firmware & software

QMK

Yes
No

VIA

Yes
No

N-key rollover

Yes
No

Mac & Windows

Yes
Yes

Extras

Released

2024
2024

For EU buyers

ISO layouts by store

Which stores sell ISO-DE, UK, and the other regional layouts.

Nuphy Gem80

  • Input Gear

    ISO-DE

    Out of stockShips to you

GravaStar Mercury K1

No ISO layout at the stores we track.

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.

Nuphy Gem804 stores

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