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Head to head · Prices checked Nov 1, 2026

Keychron 81 Pro vs Meletrix Zoom75 TIGA

Get the Meletrix Zoom75 TIGA for the 8,000 mAh battery.

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Quick verdict

Which one should you get?

Get the

Keychron 81 Pro

Build quality in the top 5% of 75% boards under $150.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.

Get the

Meletrix Zoom75 TIGA

Battery

Build quality in the top 10% of 75% boards under $300.

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.

Keychron 81 Pro

Meletrix Zoom75 TIGA

  • Connection

    Bluetooth, Wired

    Bluetooth, 2.4 GHz, Wired

    Wireless for several devices and wired for lower latency

  • Battery

    4,000 mAh

    8,000 mAh

    A larger battery means fewer cables during the day

  • Mount style

    Gasket Mount, Plate Mount

    Top Mount

  • Display

    None

    Yes

    A case display rather than a typing feature

  • Weight

    1,887 g

    3,000 g

    Heavier boards stay planted and lighter ones travel

KeebFinder scores

How we score
  • Keychron 81 Pro
  • Meletrix Zoom75 TIGA
Performance
82
74
Build quality
87
86
Productivity
97
90
Customizability
94
95
Portability
82
91

What they share

  • Layout size: 75%
  • Hot-swappable
  • Case material: Aluminum
  • Switch options: Clicky, Linear, Tactile
  • Knob
  • QMK
See every spec side by side

Full specs

Keychron 81 Pro vs Meletrix Zoom75 TIGA specs

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

13 of 27 specs differ

Keychron 81 Pro

Meletrix Zoom75 TIGA

Typing & switches

Switch options

Clicky, Linear, Tactile
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount, Plate Mount
Top Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

Yes
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI, ISO

Ergonomics

Standard
Standard

Knob

Yes
Yes

Display

None
Yes

Media keys

Yes
No

Connectivity & battery

Connection

Bluetooth, 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
Aluminum

Plate material

Polycarbonate
Aluminum, FR4, Plastic, POM

Keycaps

PBT
—

Weight

1,887 g
3,000 g

Dimensions

47 x 338 x 151 mm
18 x 324 mm

Typing angle

—
7°

Backlight

RGB, south-facing
RGB

Firmware & software

QMK

Yes
Yes

VIA

Yes
Yes

N-key rollover

Yes
No

Mac & Windows

Yes
No

Extras

Released

2023
2024

For EU buyers

ISO layouts by store

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

Keychron 81 Pro

No ISO layout at the stores we track.

Meletrix Zoom75 TIGA

Listed on the product, not split by store: ISO.

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.

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