Compare Ajazz AK820 Pro vs AULA S75 Pro Differences Side by Side

This comparison is for buyers deciding between two feature-rich, 75% wireless mechanical keyboards. Both offer tri-mode connectivity, gasket mounts, hot-swap sockets, and a screen, making the choice difficult. The decision hinges on whether you prioritize a lighter, more reviewed option or a heavier keyboard with a higher specified polling rate and different screen technology.

Model
	76	83	Select a keyboard to compare
Rating	4.6 stars (739 reviews)	0.0 stars (0 reviews)
Purchase Options
Main differences	Released in 2023 Includes a Yes, TFT display Weighs about 810 g Sized at 40 x 327 x 136 mm Made with a ABS, Aluminum case Offers Yes, Rgb, South-face, Rgb South-face RGB lighting	Released in 2025 Includes a Yes, LCD display Includes screw-in stabilizers Runs at a 4000 Hz polling rate Weighs about 1000 g Sized at 43 x 333 x 147 mm Offers Yes, Rgb RGB lighting
Score	Scores Performance: 60.9 Build Quality: 66.6 Productivity: 82.4 Customizability: 72.7 Portability: 79.1	Scores Performance: 85.7 Build Quality: 76.3 Productivity: 91.9 Customizability: 80.5 Portability: 81.5
Name	Name Ajazz AK820 Pro	Name AULA S75 Pro
Release year	Release year 2023	Release year 2025
Switch Options	Switch Options Linear	Switch Options Linear
Profile	Profile Normal Profile	Profile Normal Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 75%	Layout Size 75%
Layout Standard	Layout Standard ANSI	Layout Standard ANSI
Layout Ergonomics	Layout Ergonomics Normal	Layout Ergonomics Normal
Knob Support	Knob Support	Knob Support
Display Support	Display Support TFT	Display Support LCD
Mac/Win Support	Mac/Win Support	Mac/Win Support
Multi-Media Keys	Multi-Media Keys	Multi-Media Keys
USB-C	USB-C	USB-C
USB passthrough	USB passthrough	USB passthrough
Connection	Connection Bluetooth, 2.4 GHz, Wired, Wireless	Connection Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate	Polling Rate -	Polling Rate 4000 Hz
Battery capacity	Battery capacity 4000 mAh	Battery capacity 4000 mAh
Hall Effect Support	Hall Effect Support	Hall Effect Support
QMK Support	QMK Support	QMK Support
VIA Support	VIA Support	VIA Support
VIAL Support	VIAL Support	VIAL Support
N-Key Rollover	N-Key Rollover	N-Key Rollover
Rapid Trigger	Rapid Trigger	Rapid Trigger
Mount Style	Mount Style Gasket Mount	Mount Style Gasket Mount
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight Rgb, South-face	Backlight Rgb
Case Colors	Case Colors	Case Colors
Case Material	Case Material ABS, Aluminum	Case Material -
Keycaps Material	Keycaps Material PBT	Keycaps Material PBT
Dimensions	Dimensions 40 x 327 x 136 mm	Dimensions 43 x 333 x 147 mm
Weight	Weight 810g	Weight 1000g

*Something incorrect or missing? Please

let me know

!

Pros and Trade-offs

Your priority dictates the choice. If competitive gaming latency and a modding-friendly foundation with screw-in stabilizers are critical, the AULA S75 Pro is the more capable option despite its higher weight. For most other users, especially those valuing portability, a proven track record, and a lower price point, the Ajazz AK820 Pro delivers excellent core features in a lighter package.

Ajazz AK820 Pro

+Lighter weight at 810g, making it more portable.
+Has a proven user base with numerous positive reviews available.
+Features a TFT screen, which the vendor states allows for customizable visuals and system info.
+South-facing RGB LEDs ensure compatibility with Cherry-profile keycaps.
+Includes a flex-cut PC plate and PCB for a softer typing feel.

−Uses plate-mounted stabilizers, which are typically less stable than screw-in types.
−The case is listed as ABS plastic, which may feel less premium than metal alternatives.
−Polling rate is listed as 1000Hz in wired/2.4G mode, lower than the AULA's specified rate.

AULA S75 Pro

+Specifies a 4000Hz polling rate, potentially offering lower input latency.
+Comes with screw-in stabilizers for a more solid and rattle-free typing experience.
+Vendor description highlights a five-layer sound-dampening foam and extended silicone pad for acoustics.
+Features a 1.14-inch LCD screen for displaying information and animations.
+Vendor listing mentions compatibility with PlayStation and Xbox consoles.

−Heavier at 1000g, which reduces portability.
−No user reviews are available to gauge real-world reliability or quality.
−The vendor page lists it as frequently out of stock, which may affect availability.

Which Keyboard Is Better for Your Needs?

The AULA S75 Pro has a clear edge for gaming due to its specified high polling rate and console support, and for modding with its screw-in stabilizers and detailed internal foam. The Ajazz AK820 Pro is the better travel companion thanks to its lower weight. For office work, programming, and content creation, the keyboards are closely matched, offering similar core layouts and connectivity features.

GamingAULA S75 Pro

•The AULA S75 Pro lists a 4000Hz polling rate, which can offer lower latency for competitive gaming.
•Its vendor description mentions compatibility with PlayStation and Xbox consoles.
•It includes screw-in stabilizers, which can contribute to a more consistent feel during rapid keypresses.

OfficeTie

•Both offer tri-mode wireless connectivity (Bluetooth, 2.4GHz, wired) for flexible device switching.
•Both have compact 75% layouts that save desk space while retaining arrow keys.
•Both are listed with Mac and Windows support.

ProgrammingTie

•Both use a 75% ANSI layout, providing a good balance of compactness and essential keys.
•Both feature hot-swappable sockets for easily changing switch types to suit typing preference.
•Both have PBT keycaps for better long-term durability against shine.

TravelAjazz AK820 Pro

•The Ajazz AK820 Pro is significantly lighter at 810g compared to the AULA S75 Pro's 1000g.
•It has slightly smaller dimensions (327 x 136 x 40mm vs 333 x 147 x 43mm).
•Both have the same 4000mAh battery capacity for similar wireless endurance.

ModdingAULA S75 Pro

•The AULA S75 Pro comes with screw-in stabilizers, which are generally preferred by modders for their stability.
•Its vendor description details a five-layer sound-dampening foam construction and an extended silicone pad for acoustic tuning.
•Both boards are hot-swappable, but the AULA's listed pre-lubed stabilizers and switches provide a more refined starting point.

Content CreationTie

•Both keyboards include a multifunction knob, useful for controlling volume or scrubbing timelines.
•Both feature customizable RGB backlighting for aesthetic setups.
•The screens on both can display system information, though their customization capabilities differ (TFT vs LCD).