AULA S75 Pro vs LANGTU LT84Gasket or Rapid Trigger
Choose the AULA S75 Pro for its gasket mount and listed 4000 Hz polling rate, or the LANGTU LT84 if Rapid Trigger is your priority.
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Which one should you get?
Get the
AULA S75 Pro
Screw-in stabilizers
Build quality in the top 20% of 75% boards under $100.
- Gasket mount, with the vendor also describing five layers of sound-dampening foam.
- 4000 Hz polling rate listed in the product specifications.
- 4000mAh battery and tri-mode Bluetooth, 2.4 GHz, and wired connectivity.
Get the
LANGTU LT84
Rapid trigger
Build quality in the bottom 20% of 75% boards under $100.
- Explicitly lists Rapid Trigger as an extra feature.
- Vendor describes factory-lubed Sea-Air linear switches.
- Sandwich mount with a vendor-described three-layer sound-absorbing design using EVA cotton, bottom rubber, and undershaft silicone.
For a specification-led gaming or general-use choice, the AULA S75 Pro has the clearer case, with its listed 4000 Hz polling rate, gasket mount, and 4000mAh battery. Choose the LANGTU LT84 if Rapid Trigger or its thinner 29 mm profile matters more to you. Both are hot-swappable 75% wireless keyboards, so switch customization and core connectivity are not the deciding differences.
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.
AULA S75 Pro
LANGTU LT84
Rapid trigger
No
Yes
Faster resets help in games and not in normal typing
Mount style
Gasket Mount
Sandwich Mount
Display
LCD
Yes
A case display rather than a typing feature
Screw-in stabilizers
Yes
No
Easier to tune than the plate-mount stabs you get prebuilt
Released
2025
2023
- AULA S75 Pro
- LANGTU LT84
- Performance
- 8675
- Build quality
- 7750
- Productivity
- 9284
- Customizability
- 8073
- Portability
- 8177
- Layout size: 75%
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Knob
- Sound dampening
- Keycaps: PBT
What will you mostly use it for?
AULA takes the gaming, office, programming, and content-creation picks based on its listed polling rate, LCD details, and vendor-described functions. The LT84 is the more compact option by listed thickness, making it the travel pick on the available dimensions. For modding, the two are closely matched: both are hot-swappable, with each product description giving its own switch compatibility details. Their shared wireless modes, 75% ANSI layout, and knob make the overall choice less about basic functionality and more about the differentiators.
Pick the AULA S75 Pro
- AULA lists a 4000 Hz polling rate, while no polling rate is specified for the LT84.
- Both keyboards have RGB, N-key rollover, tri-mode connectivity, and hot-swappable switches.
- The LT84 explicitly lists Rapid Trigger, which may appeal to buyers seeking that feature.
AULA S75 Pro vs LANGTU LT84 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
6 of 22 specs differ
AULA S75 Pro
LANGTU LT84
Switch options
Rapid trigger
Hot-swappable
Mount style
Sound dampening
Screw-in stabilizers
Layout size
Layout standard
Ergonomics
Knob
Display
Connection
Max polling rate
Battery
USB-C
Keycaps
Weight
Dimensions
Backlight
N-key rollover
Mac & Windows
Released
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AULA S75 Pro vs LANGTU LT84: your questions
The AULA S75 Pro lists a 4000 Hz polling rate, while the LT84 explicitly lists Rapid Trigger. Both offer RGB, N-key rollover, hot-swappable switches, and Bluetooth, 2.4 GHz, and wired connections, so choose based on which of those differentiators matters more.
Yes, Rapid Trigger appears in the LT84's listed extra features. Its vendor description also identifies Sea-Air V3 switches, but does not explain how Rapid Trigger is configured.
The AULA S75 Pro's listed polling rate is 4000 Hz. No polling rate is listed for the LANGTU LT84, so a direct rate comparison is not available.
Yes, both keyboards are listed as hot-swappable. AULA's vendor description specifies 3-pin and 5-pin switch compatibility, while LANGTU describes its sockets as compatible with most aftermarket switches.
The AULA S75 Pro uses a gasket mount, while the LANGTU LT84 uses a sandwich mount. AULA's vendor describes five layers of sound-dampening foam, and LANGTU describes EVA cotton, bottom rubber, and undershaft silicone layers.
Yes. Both list Bluetooth, 2.4 GHz wireless, and wired USB-C connectivity.
The LANGTU LT84 is listed as 29 mm thick, while the AULA S75 Pro is listed as 43 mm thick. The listed dimensions are 362 x 138 x 29 mm for the LT84 and 43 x 333 x 147 mm for the AULA.
AULA's vendor description says the screen can show battery status, date, time, operating system, GIF animations, volume, and backlight effects. The vendor identifies it as a 1.14-inch LCD.
LANGTU's vendor description says its colorful display shows settings and active functions, and supports uploading GIFs. The LT84 also has a multifunction knob for controls such as volume, brightness, connection mode, and system switching.
Both the AULA S75 Pro and LANGTU LT84 list Mac/Windows support. LANGTU's vendor specifically describes dual-system support, while AULA's vendor description also names Windows and Mac.
The AULA S75 Pro is listed with linear switches, and its vendor page names Caramel Latte and Star Arrow options. LANGTU's vendor describes factory-lubed Sea-Air V3 linear switches.
The AULA S75 Pro has a listed 4000mAh battery capacity. The LANGTU LT84 vendor description mentions extra-long battery life but does not provide a capacity figure.
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