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Head to head · Prices checked Oct 21, 2026

GravaStar Mercury K1 vs Nuphy Halo75 V2

Get the GravaStar Mercury K1 for the 8,000 mAh battery. Get the Nuphy Halo75 V2 for qmk.

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

Nuphy Halo75 V2

  • Battery

    8,000 mAh

    4,000 mAh

  • Case material

    Aluminum

    ABS, Aluminum

  • Switch options

    Linear

    Mechanical

  • Weight

    1,080 g

    1,020 g

  • QMK

    No

    Yes

KeebFinder scores

How we score
  • GravaStar Mercury K1
  • Nuphy Halo75 V2
Performance
66
80
Build quality
67
81
Productivity
67
88
Customizability
64
89
Portability
92
81

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Mount style: Gasket Mount
  • Plate material: POM
See every spec side by side

Full specs

GravaStar Mercury K1 vs Nuphy Halo75 V2 specs

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

11 of 25 specs differ

GravaStar Mercury K1

Nuphy Halo75 V2

Typing & switches

Switch options

Linear
Mechanical

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

No
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Media keys

No
Yes

Connectivity & battery

Connection

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

Max polling rate

—
1,000 Hz

Battery

8,000 mAhBetter
4,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
ABS, Aluminum

Plate material

POM
POM

Keycaps

—
PBT

Weight

1,080 g
1,020 g

Dimensions

46 x 343 x 156 mm
33 x 320 x 135 mm

Typing angle

—
9°

Backlight

RGB
RGB, south-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2024
2024

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

  • AmazonGlobal

    Check price
    ~$139Visit
  • WhatGeekCN

    Out of stock
    $139Visit
  • NuphyUS

    In stock
    $126Visit
  • AmazonGlobal

    Check price
    ~$126Visit

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.

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