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Head to head · Prices checked Oct 21, 2026

Ajazz AK820 Pro vs Yunzii B75 ProScreen vs High Polling Rate

Choose the Ajazz AK820 Pro for its interactive screen and lower cost, or the Yunzii B75 Pro for its higher polling rate and switch variety.

Ajazz AK820 Pro Mechanical Keyboard Creamy Keyboard - Image: 4

Screen

Ajazz AK820 Pro

4.6 · 256 reviews

from$68at Epomaker

Shop nowSee all prices

Quick verdict

Which one should you get?

Get the

Ajazz AK820 Pro

Screen

If you want

  • Includes a 0.85-inch TFT screen for displaying battery, time, and connectivity status.
  • Lighter weight at 810g and slightly more compact dimensions.
  • Features a flex-cut polycarbonate plate and PCB for a flexy typing feel.

And can live with

  • Lower 1kHz polling rate compared to the B75 Pro's 4000Hz.
  • Only available with linear switches in the provided configurations.
  • Uses plate-mounted stabilizers instead of screw-in type.

Get the

Yunzii B75 Pro

High Polling Rate

If you want

  • Higher 4000Hz polling rate for potentially lower latency in gaming.
  • Offers a choice of linear, tactile, and clicky switch types from the vendor.
  • Includes screw-in stabilizers, which are often preferred for modding.

And can live with

  • Heavier at 937g and slightly larger.
  • Lacks a screen, which is a central feature of the AK820 Pro.
  • No user review score is available in the provided data.

Bottom line

Select the Ajazz AK820 Pro if you value the utility and customization of the TFT screen, want a lighter keyboard, and are working with a tighter budget. Opt for the Yunzii B75 Pro if your priority is maximum polling rate for competitive gaming and you prefer having multiple switch types to choose from without immediately modding.

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

Yunzii B75 Pro

  • Case material

    ABS, Aluminum

    Plastic

  • Switch options

    Linear

    Clicky, Linear, Tactile

  • Display

    TFT

    None

  • Weight

    810 g

    937 g

  • Layout standard

    ANSI

    ANSI, Dvorak, ISO

KeebFinder scores

How we score
  • Ajazz AK820 Pro
  • Yunzii B75 Pro
Performance
61
75
Build quality
66
60
Productivity
82
91
Customizability
72
78
Portability
79
80

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Battery: 4,000 mAh
  • Mount style: Gasket Mount
  • Knob
See every spec side by side

Best for

What will you mostly use it for?

The Yunzii B75 Pro takes a clear lead for gaming due to its high polling rate. For programming, travel, and content creation, the Ajazz AK820 Pro's screen and lighter build are advantageous. Office use and modding potential are effectively a tie, as both keyboards share core wireless and customization features. Your primary activity will dictate the winner.

For gaming

Pick the Yunzii B75 Pro

  • The Yunzii B75 Pro has a specified 4000Hz polling rate for lower latency.
  • Its listing mentions a dedicated gaming mode accessible via the multifunctional knob.
  • The Ajazz AK820 Pro has a 1kHz polling rate in wired and 2.4GHz modes.

From real owners

What owners say

Ratings and quotes collected from verified store reviews, including the critical ones.

Ajazz AK820 Pro

4.6

256 owner reviews

Praise
“It's a nice keyboard, has a nice sound when typing. I like the dedicated volume know and it's easy to load gifs onto the little screen using the ajazz software”
David C.Verified buyer· via Epomaker
Critique
“So recently i started to notice my w key stop completely and have to press again and again for the input, please can you assist me in this matter”
Aniruddh C.Verified buyer· via Epomaker

Yunzii B75 Pro

No owner reviews collected yet.

Full specs

Ajazz AK820 Pro vs Yunzii B75 Pro specs

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

11 of 24 specs differ

Ajazz AK820 Pro

Yunzii B75 Pro

Typing & switches

Switch options

Linear
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI, Dvorak, ISO

Ergonomics

Standard
Standard

Knob

Yes
Yes

Display

TFT
None

Media keys

No
Yes

Connectivity & battery

Connection

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

Max polling rate

—
4,000 Hz

Battery

4,000 mAh
4,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

ABS, Aluminum
Plastic

Plate material

Polycarbonate
Aluminum

Keycaps

PBT
PBT, PC

Weight

810 g
937 g

Dimensions

40 x 327 x 136 mm
42 x 334 x 144 mm

Backlight

RGB, south-facing
RGB, south-facing

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.

Lowest price across stores, Amazon excluded.

  • EpomakerUS

    In stock
    $68Visit
  • AmazonGlobal

    Check price
    Visit
  • MechkeysCN

    Out of stock
    $65Visit
  • WhatGeekCN

    Out of stock
    $67Visit
  • YunziiCN

    In stock
    $79Visit
  • MechkeysCN

    In stock
    $79Visit
  • AmazonGlobal

    Check price
    Visit

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FAQ

Ajazz AK820 Pro vs Yunzii B75 Pro: your questions

The Yunzii B75 Pro is the stronger choice for competitive gaming. Its specified 4000Hz polling rate offers lower potential latency compared to the Ajazz AK820 Pro's 1kHz rate. The B75 Pro's listing also mentions a dedicated gaming mode activated by its knob.

Yes, according to the vendor description, the Ajazz AK820 Pro's 0.85-inch TFT screen can display customizable visuals, battery status, date and time, connectivity mode, and operating system. It also allows for switching between Windows and Mac modes directly from the screen.

Yes, both the Ajazz AK820 Pro and Yunzii B75 Pro feature hot-swappable sockets. They are compatible with both 3-pin and 5-pin mechanical switches, allowing you to easily change switches without soldering.

The Ajazz AK820 Pro is more portable. It weighs 810g compared to the Yunzii B75 Pro's 937g, and its dimensions are slightly smaller (327x136x40mm vs 334x144x42mm). Both have the same 4000mAh battery for wireless use on the go.

The Yunzii B75 Pro vendor listing shows options for linear, tactile, and clicky switches. Specific named switches include the YUNZII Milk Linear Switch, Cocoa Cream V2 Linear Switch, and Blue Grey Tactile Switch.

The Ajazz AK820 Pro uses an aluminum and ABS case with a polycarbonate plate. The Yunzii B75 Pro's case material is not specified in the provided details. The AK820 Pro also details a flex-cut PC plate and PCB, while the B75 Pro highlights screw-in stabilizers.

Yes, both the Ajazz AK820 Pro and Yunzii B75 Pro are listed as compatible with Windows and macOS operating systems. The Ajazz specifically mentions you can switch modes via its TFT screen.

According to its vendor page, the Ajazz AK820 Pro box includes the keyboard, three extra keycaps, a 2-in-1 switch and keycap puller, a USB A-to-C cable, a stored 2.4GHz receiver, and a manual.

Both keyboards feature south-facing RGB LEDs. The Ajazz AK820 Pro's vendor description specifies it has 1.6 million color combinations. The Yunzii B75 Pro's description mentions over 20 built-in backlight modes but does not specify a color count.

Both keyboards are designed for a quiet typing experience. They use a gasket mount design and include sound dampening foam. The Ajazz AK820 Pro emphasizes its flex-cut plate for a cushioned feel, while the Yunzii B75 Pro mentions a 5-layer padding and pre-lubricated switches for a creamy sound.

Yes, based on the provided vendor listings, the Ajazz AK820 Pro is available at a lower price point, while the Yunzii B75 Pro is listed at a higher price. The exact cost can vary by vendor and configuration.

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