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Compare AULA L99 vs Yunzii IF99 Differences Side by Side

This comparison is for buyers deciding between two feature-packed, screen-equipped mechanical keyboards with similar layouts and prices. The choice is difficult because both offer tri-mode connectivity, gasket mounts, hot-swappable sockets, and large 8000mAh batteries. The decision ultimately hinges on whether you prioritize raw gaming performance and a larger interactive screen or deeper software customization and a more portable form factor.

66
AULA L99 Tri-mode Mechanical Keyboard with 3.98" Smart Touchscreen
86
YUNZII IF99 QMK/VIA Full Size LCD Mechanical Keyboard

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  • Available in a 98% layout
  • Includes a Yes, IPS display
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless, connectivity
  • Runs at a 8000 Hz polling rate
  • Weighs about 1500 g
  • Sized at 53 x 420 x 180 mm
  • Offers Yes, Rgb RGB lighting
  • Available in a 95% layout
  • Includes a Yes display
  • Supports QMK firmware
  • Supports VIA configuration
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Runs at a 1000 Hz polling rate
  • Weighs about 1238.5 g
  • Sized at 46 x 385 x 143 mm
  • Offers Yes, Rgb, South-face, Rgb South-face RGB lighting
Scores
  • Performance: 83.7
  • Build Quality: 52.4
  • Productivity: 76.7
  • Customizability: 67.9
  • Portability: 63.4
Scores
  • Performance: 81.9
  • Build Quality: 80.1
  • Productivity: 89
  • Customizability: 89.7
  • Portability: 63.1
Name
AULA L99
Name
Yunzii IF99
Release year
2025
Release year
2025
Switch Options
Linear
Switch Options
Linear
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
98%
Layout Size
95%
Layout Standard
ANSI
Layout Standard
ANSI
Layout Ergonomics
Normal
Layout Ergonomics
Normal
Knob Support
 
Knob Support
 
Display Support
 
IPS
Display Support
 
Mac/Win Support
 
Mac/Win Support
 
Multi-Media Keys
 
Multi-Media Keys
 
USB-C
 
USB-C
 
USB passthrough
 
USB passthrough
 
Connection
Bluetooth, 2.4 GHz, Wired, Wireless,
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate
8000 Hz
Polling Rate
1000 Hz
Battery capacity
8000 mAh
Battery capacity
8000 mAh
Hall Effect Support
 
Hall Effect Support
 
QMK Support
 
QMK Support
 
VIA Support
 
VIA Support
 
VIAL Support
 
VIAL Support
 
N-Key Rollover
 
N-Key Rollover
 
Rapid Trigger
 
Rapid Trigger
 
Mount Style
Gasket Mount
Mount Style
Gasket Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb
Backlight
 
Rgb, South-face
Case Colors
Case Colors
Case Material
-
Case Material
-
Keycaps Material
PBT
Keycaps Material
PBT
Dimensions
53 x 420 x 180 mm
Dimensions
46 x 385 x 143 mm
Weight
1500g
Weight
1238.5g
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Pros and Trade-offs

Your priority should guide this choice. For competitive gaming where every millisecond counts, the AULA L99's 8000Hz polling rate is the decisive feature. For virtually every other scenario—especially programming, travel, modding, or if you value extensive key remapping—the Yunzii IF99 is the more versatile and portable option due to its QMK/VIA support and lighter build.

AULA L99

  • +Higher 8000Hz polling rate for potentially lower latency.
  • +Larger 3.98-inch IPS touchscreen, per the vendor description.
  • +Includes a slotted polycarbonate plate in its gasket mount design.
  • +Massive 8000mAh battery for long wireless use.
  • −Heavier at 1500 grams.
  • −Larger overall footprint (420 x 180 x 53 mm).
  • −Lacks the open-source QMK/VIA firmware support of the IF99.

Yunzii IF99

  • +Native support for QMK and VIA firmware for deep customization.
  • +Lighter and more compact design (1238.5g, 385 x 143 x 46 mm).
  • +Features south-facing RGB LEDs for better keycap compatibility.
  • +Includes a customizable magnetic badge that stores the 2.4G receiver.
  • −Lower 1000Hz polling rate.
  • −Vendor description does not specify the screen size or type (e.g., IPS).
  • −Plate material is not specified in the provided metadata.

Which Keyboard Is Better for Your Needs?

The Yunzii IF99 wins in more categories, particularly for users who value customization, portability, and productivity features like QMK support. The AULA L99's primary advantage is for gaming, thanks to its higher polling rate. For content creation involving screen customization, both keyboards are equally matched. Office users and travelers will appreciate the IF99's lighter build, while programmers and modders will benefit most from its open-source firmware support.

GamingAULA L99
  • •Higher 8000Hz polling rate compared to 1000Hz on the IF99.
  • •Vendor description mentions the screen can simulate mouse movement, adding utility.
  • •Includes N-Key Rollover for precise multi-key inputs.
OfficeYunzii IF99
  • •Lighter weight (1238.5g vs 1500g) and smaller dimensions for easier desk management.
  • •Manufacturer states it can connect to up to 5 devices via Bluetooth.
  • •South-facing RGB LEDs are less likely to cause interference with shine-through keycaps.
ProgrammingYunzii IF99
  • •Native QMK and VIA support allows for deep key remapping and macro creation.
  • •95% layout retains the number pad while maintaining a compact footprint.
  • •South-facing RGB lighting is listed, which is often preferred for Cherry profile keycaps.
TravelYunzii IF99
  • •Significantly lighter at 1238.5 grams versus 1500 grams.
  • •More compact dimensions (385 x 143 x 46 mm vs 420 x 180 x 53 mm).
  • •Includes a magnetic badge that hides the 2.4GHz receiver for storage.
ModdingYunzii IF99
  • •Explicit QMK and VIA firmware support offers extensive programmability.
  • •South-facing RGB LEDs allow compatibility with a wider range of aftermarket keycap profiles.
  • •Vendor description mentions multiple layers of sound-absorbing material in its gasket design.
Content CreationTie
  • •Both have large, customizable LCD screens for displaying media or information.
  • •Both feature tri-mode connectivity for flexible setup with multiple devices.
  • •Both include hot-swappable sockets for personalizing switch feel.

Frequently Asked Questions (FAQ)

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