Compare Ajazz AK820 Pro vs AULA F99 Differences Side by Side

This comparison is for buyers deciding between a compact, feature-rich keyboard and a larger, productivity-focused one. Both the Ajazz AK820 Pro and AULA F99 offer gasket mounts, tri-mode connectivity, and hot-swappable sockets, making the choice difficult. The decision hinges on whether you prioritize desk space savings and a unique TFT screen or need a dedicated numpad and longer battery life for extended stationary use.

Model
	76	75	Select a keyboard to compare
Rating	4.6 stars (737 reviews)	4.8 stars (51 reviews)
Purchase Options
Main differences	Available in a 75% layout Comes with a knob Includes a Yes, TFT display Features N-key rollover Equipped with a 4000 mAh battery 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	Available in a 96% layout Includes a No display Enables rapid trigger functionality Includes screw-in stabilizers Equipped with a 8000 mAh battery Weighs about 1023 g Sized at 43 x 147 x 391 mm Made with a ABS, Plastic, PBT case Offers Yes, Rgb, North-face, Rgb North-face RGB lighting
Score	Scores Performance: 60.5 Build Quality: 66.2 Productivity: 82.3 Customizability: 72.6 Portability: 79.3	Scores Performance: 59.7 Build Quality: 63.2 Productivity: 89.1 Customizability: 73.1 Portability: 64.4
Name	Name Ajazz AK820 Pro	Name AULA F99
Release year	Release year 2023	Release year 2023
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 96%
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
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 -
Battery capacity	Battery capacity 4000 mAh	Battery capacity 8000 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, North-face
Case Colors	Case Colors	Case Colors
Case Material	Case Material ABS, Aluminum	Case Material ABS, Plastic, PBT
Keycaps Material	Keycaps Material PBT	Keycaps Material PBT
Dimensions	Dimensions 40 x 327 x 136 mm	Dimensions 43 x 147 x 391 mm
Weight	Weight 810g	Weight 1023g

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Pros and Trade-offs

Your primary need dictates the winner. If you work with numbers, value maximum battery life, and have a permanent desk setup, the AULA F99 is the more practical productivity tool. If you want a sleek, portable keyboard with a unique screen for customization and are willing to use layers for the numpad, the Ajazz AK820 Pro offers more modern flair in a smaller package. Consider how often you truly use a numpad versus how much you value desk real estate.

Ajazz AK820 Pro

+Compact 75% layout saves significant desk space.
+Features a customizable 0.85-inch TFT screen for system info and settings.
+Lighter weight (810g) and smaller dimensions enhance portability.
+South-facing RGB LEDs ensure compatibility with Cherry-profile keycaps.
+Includes a metal knob and three extra keycaps in the box.

−Smaller 4000mAh battery offers less wireless runtime.
−Lacks a dedicated numpad, which some users require.
−Uses plate-mounted stabilizers, which some enthusiasts prefer less than screw-in types.

AULA F99

+96% layout retains a numpad and navigation cluster in a condensed form factor.
+Massive 8000mAh battery promises exceptionally long wireless use.
+Features a detailed five-layer sound dampening package for acoustics.
+Includes screw-in stabilizers for potentially better tuning and less rattle.
+Some variants offer a choice between a PC plate and an FR4 plate.

−Larger, heavier (1023g) chassis is less portable.
−No built-in screen for at-a-glance information.
−North-facing LEDs may cause interference with certain Cherry-profile keycaps.

Which Keyboard Is Better for Your Needs?

The AULA F99 is the clear choice for office work and content creation where a numpad and extended battery life are critical. For travel and highly space-constrained desks, the Ajazz AK820 Pro's compact form is superior. Gaming and programming are a toss-up, depending on whether you prefer the Ajazz's screen and smaller footprint or the AULA's rapid trigger and full navigation keys. Modders may lean towards the AULA for its explicitly layered sound-dampening construction.

GamingTie

•Both offer tri-mode connectivity with 2.4GHz wireless for low latency.
•Both feature gasket-mounted designs for a cushioned typing feel.
•The AULA F99 lists a rapid trigger feature, while the Ajazz AK820 Pro has a 1k polling rate in wired/2.4G mode.

OfficeAULA F99

•The AULA F99's 96% layout includes a full numpad, essential for data entry.
•Its 8000mAh battery offers significantly longer wireless runtime than the Ajazz's 4000mAh.
•The larger, more traditional layout may be easier for shared or multi-user office environments.

ProgrammingTie

•Both use PBT keycaps for durability and have hot-swappable sockets for switch customization.
•The Ajazz's 75% layout saves desk space for notebooks or secondary monitors.
•The AULA F99's included arrow keys and navigation cluster are readily accessible without layers.

TravelAjazz AK820 Pro

•The Ajazz AK820 Pro is significantly more compact (327mm wide) and lighter (810g) than the AULA F99 (391mm wide, 1023g).
•Its 75% layout is easier to fit in a backpack alongside a laptop.
•Both have wireless connectivity, but the Ajazz's smaller form factor is more portable.

ModdingAULA F99

•The AULA F99's listing details a five-layer sound package including sandwich foam, IXPE switch pad, PET film, bottom foam, and silicone case pad.
•It offers a choice of PC or FR4 plates in some variants for different acoustic profiles.
•Both are hot-swappable, but the AULA's detailed internal foam stack provides a clear modding baseline.

Content CreationAULA F99

•The AULA F99's numpad is useful for shortcut macros in video/photo editing software.
•Its larger chassis provides more space for a wrist rest during long editing sessions.
•The massive 8000mAh battery reduces charging interruptions during long work periods.