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Head to head · Prices checked Nov 7, 2026

Ajazz AK820 Pro vs Xinmeng M75 Pro

Choose the Ajazz AK820 Pro for its proven software and Mac/Windows support, or the Xinmeng M75 for its larger battery and unique copper case material.

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AJAZZ AK820 Pro

4.6 (256)

$55at Epomaker

90-day low

[In Stock] Xinmeng M75/M75Pro 75% Pre-Built Mechanical Keyboard

No reviews

$49at Velocifire

90-day low

Quick verdict

Which one should you get?

Get the

Ajazz AK820 Pro

Build quality in the bottom 50% of 75% boards under $100.

If you want

  • Explicitly listed 1k polling rate in wired/2.4G modes and N-Key Rollover support.
  • Detailed technical specs including flex-cut PC plate, 1.2mm PCB, and south-facing RGB LEDs.
  • Driver software, upgrade tools, and explicit Mac/Win compatibility are documented.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.

Get the

Xinmeng M75 Pro

Battery

Build quality in the top 35% of 75% boards under $50.

If you want

  • Larger 5000mAh battery with claimed battery life up to 15 days (RGB off).
  • Slimmer 20mm thick design for a lower profile.
  • Case material includes copper alongside aluminum for a unique build.

Bottom line

For most buyers, the Ajazz AK820 Pro is the safer choice due to its verified software support, detailed specifications, and established user feedback. Consider the Xinmeng M75 if your top priorities are maximum battery life and an ultra-slim keyboard profile, and you are comfortable with a product that has less documented support and no user reviews.

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.

Ajazz AK820 Pro

Xinmeng M75 Pro

  • Battery

    4,000 mAh

    5,000 mAh

    A larger battery means fewer cables during the day

  • Case material

    ABS, Aluminum

    Plastic

  • Switch options

    Linear

    Linear, Silent

  • Weight

    810 g

    900 g

    Heavier boards stay planted and lighter ones travel

  • Backlight

    RGB, south-facing

    RGB

    RGB for looks and low light rather than speed

KeebFinder scores

How we score
  • Ajazz AK820 Pro
  • Xinmeng M75 Pro
Performance
61
82
Build quality
66
73
Productivity
82
81
Customizability
72
79
Portability
79
80

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Mount style: Gasket Mount
  • Knob
  • Display: TFT
See every spec side by side

Best for

What will you mostly use it for?

The Ajazz AK820 Pro holds an edge for gaming, office, and content creation due to its specified software tools, polling rate, and cross-platform support. The Xinmeng M75 is better suited for travel with its slimmer profile and larger battery. For programming, both are equally capable with their shared layout and hot-swap features, while modders will find more detailed technical documentation available for the Ajazz model.

For gaming

Pick the Ajazz AK820 Pro

  • The Ajazz AK820 Pro listing specifies N-Key Rollover support for full anti-ghosting.
  • Its vendor page explicitly mentions a 1k polling rate in wired and 2.4GHz modes for lower latency.
  • The manufacturer describes it as a 'gaming keyboard' with esports-grade performance claims.

Full specs

Ajazz AK820 Pro vs Xinmeng M75 Pro specs

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

8 of 22 specs differ

Ajazz AK820 Pro

Xinmeng M75 Pro

Typing & switches

Switch options

Linear
Linear, Silent

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
Yes

Display

TFT
TFT

Connectivity & battery

Connection

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

Max polling rate

—
1,000 Hz

Battery

4,000 mAh
5,000 mAhBetter

USB-C

Yes
No

Build & materials

Case material

ABS, Aluminum
Plastic

Plate material

Polycarbonate
—

Keycaps

PBT
PBT

Weight

810 g
900 g

Dimensions

40 x 327 x 136 mm
20 x 326 x 152 mm

Backlight

RGB, south-facing
RGB

Firmware & software

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2023
2024

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.

FAQ

Ajazz AK820 Pro vs Xinmeng M75 Pro: your questions

The Ajazz AK820 Pro has clearly listed driver software and a 2.4G upgrade tool available for download. The Xinmeng M75's vendor description does not explicitly mention dedicated software or drivers for customization.

The provided vendor description for the Xinmeng M75 does not explicitly state Mac or Windows compatibility. The Ajazz AK820 Pro listing specifically includes Mac/Win support and a driver for customization on both systems.

The Xinmeng M75 has a larger 5000mAh battery compared to the Ajazz AK820 Pro's 4000mAh. The M75's vendor claims up to 15 days of use with RGB off, while the AK820 Pro's listing does not provide a specific runtime claim.

Yes, both the Ajazz AK820 Pro and the Xinmeng M75 are listed as hot-swappable. The Ajazz model's specifications confirm it works with both 3-pin and 5-pin mechanical switches.

According to its technical specifications, the Ajazz AK820 Pro has a 1k polling rate in both wired and 2.4GHz wireless modes. In Bluetooth mode, the polling rate is 125Hz.

The Xinmeng M75 is significantly thinner, with dimensions listing a 20mm height. The Ajazz AK820 Pro is 40mm tall, making the M75 the more low-profile option for travel.

The Ajazz AK820 Pro uses a case made of ABS plastic and aluminum. The Xinmeng M75 uses a case made of copper and aluminum, according to its listed specifications.

Yes, both are listed with sound dampening features. The Ajazz AK820 Pro uses a gasket mount with a flex-cut design to reduce noise. The Xinmeng M75 vendor description mentions a five-layered internal structure including IXPE and PORON foam for sound absorption.

The Ajazz AK820 Pro includes the keyboard, three extra keycaps, a 2-in-1 switch-and-keycap puller, a USB A-to-C cable, a wireless 2.4GHz receiver, and a manual.

The Ajazz AK820 Pro has a substantial number of user reviews available. The Xinmeng M75 has no reviews listed in the provided information, making its real-world performance less documented.

Yes, both the Ajazz AK820 Pro and Xinmeng M75 feature a metal or CNC-machined knob and a TFT color display screen for showing information and customization.

Both keyboards use PBT keycaps. The Ajazz AK820 Pro uses double-shot OEM profile caps, while the Xinmeng M75 uses dual-tone injection-molded PBT keycaps. The specific profiles for the M75 are not stated.

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