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Head to head · Prices checked Oct 21, 2026

Newmen GM840 Pro vs Xinmeng M75

Get the Xinmeng M75 for the 5,000 mAh battery and knob.

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.

Newmen GM840 Pro

Xinmeng M75

  • Battery

    2,000 mAh

    5,000 mAh

  • Case material

    Plastic

    Aluminum, Copper

  • Knob

    No

    Yes

  • Display

    None

    TFT

  • Released

    2022

    2024

KeebFinder scores

How we score
  • Newmen GM840 Pro
  • Xinmeng M75
Performance
49
51
Build quality
41
74
Productivity
63
65
Customizability
54
67
Portability
76
73

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Sound dampening
  • Keycaps: PBT
See every spec side by side

Full specs

Newmen GM840 Pro vs Xinmeng M75 specs

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

7 of 18 specs differ

Newmen GM840 Pro

Xinmeng M75

Typing & switches

Switch options

Clicky, Linear
—

Hot-swappable

Yes
Yes

Mount style

—
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

No
Yes

Display

None
TFT

Connectivity & battery

Connection

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

Battery

2,000 mAh
5,000 mAhBetter

USB-C

Yes
No

Build & materials

Case material

Plastic
Aluminum, Copper

Keycaps

PBT
PBT

Weight

747 g
—

Dimensions

39 x 121 x 31 mm
20 x 326 x 152 mm

Backlight

RGB
RGB

Extras

Released

2022
2024

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

  • MechkeysCN

    In stock
    $55Visit
  • AmazonGlobal

    Check price
    ~$55Visit
Xinmeng M752 stores
  • MechkeysCN

    In stock
    $65Visit
  • AmazonGlobal

    Check price
    ~$65Visit

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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