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Compare AULA S75 Pro vs GravaStar Mercury K1 Differences Side by Side

This comparison is for buyers deciding between two similarly sized 75% wireless mechanical keyboards with different value propositions. The AULA S75 Pro offers a high polling rate, a customizable LCD screen, and extensive sound-dampening features at a more accessible price point. The GravaStar Mercury K1 counters with a premium aluminum alloy case, a larger battery, and a unique aesthetic design. The decision hinges on whether you prioritize competitive gaming features and modding potential or premium materials and long battery life.

82
AULA S75 PRO Tri-mode Wireless Mechanical Keyboard with LCD Screen Creamy
66
GravaStar Mercury K1 Wireless Mechanical Keyboard

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  • Released in 2025
  • Comes with a knob
  • Includes a Yes, LCD display
  • Features N-key rollover
  • Includes screw-in stabilizers
  • Has built-in sound dampening
  • Runs at a 4000 Hz polling rate
  • Equipped with a 4000 mAh battery
  • Weighs about 1000 g
  • Sized at 43 x 333 x 147 mm
  • Features PBT keycaps
  • Released in 2024
  • Includes a No display
  • Equipped with a 8000 mAh battery
  • Weighs about 1080 g
  • Sized at 46 x 343 x 156 mm
  • Made with a Aluminum case
Scores
  • Performance: 85.6
  • Build Quality: 75.8
  • Productivity: 91.2
  • Customizability: 78.8
  • Portability: 80.5
Scores
  • Performance: 66.2
  • Build Quality: 67.3
  • Productivity: 66.6
  • Customizability: 64
  • Portability: 92.2
Name
AULA S75 Pro
Name
GravaStar Mercury K1
Release year
2025
Release year
2024
Switch Options
Linear
Switch Options
Linear
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
75%
Layout Size
75%
Layout Standard
ANSI
Layout Standard
ANSI
Layout Ergonomics
Normal
Layout Ergonomics
Normal
Knob Support
 
Knob Support
 
Display Support
 
LCD
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
4000 Hz
Polling Rate
-
Battery capacity
4000 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
Case Colors
Case Colors
Case Material
-
Case Material
Aluminum
Keycaps Material
PBT
Keycaps Material
-
Dimensions
43 x 333 x 147 mm
Dimensions
46 x 343 x 156 mm
Weight
1000g
Weight
1080g
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Pros and Trade-offs

Your budget and primary use case should guide this decision. For gamers, typists, and tinkerers who want the most features and performance for the money, the AULA S75 Pro is the clear recommendation. If you prioritize a premium metal build, exceptional battery life, and a distinct visual design, and are willing to pay more for those materials, the GravaStar Mercury K1 is the suitable choice. Check current stock availability for both.

AULA S75 Pro

  • +Includes a 1.14-inch customizable LCD screen for system info and animations.
  • +Features a multifunction knob for adjusting volume and settings.
  • +Has a high 4000 Hz polling rate for competitive gaming.
  • +Comes with extensive sound dampening, including five foam layers and screw-in stabilizers.
  • +Offers more color options for its switches (Caramel Latte, Star Arrow).
  • −Smaller 4000mAh battery compared to the competition.
  • −Does not have an aluminum case, potentially feeling less premium.
  • −The vendor page indicates it was out of stock at the time of listing.

GravaStar Mercury K1

  • +Constructed with a premium aluminum alloy exoskeleton case.
  • +Features a very large 8000mAh battery for extended wireless use.
  • +Uses a POM plate, which can contribute to a specific typing sound and feel.
  • +Offers a unique three-sided 'streamer effect' RGB lighting design.
  • −Lacks an LCD screen and a control knob.
  • −No specific polling rate is mentioned in the provided specifications.
  • −The vendor page indicates it was out of stock and is generally priced higher.

Which Keyboard Is Better for Your Needs?

The AULA S75 Pro is the more versatile choice for most productivity and performance-focused tasks, winning in gaming, office, programming, and modding due to its high polling rate, LCD screen, knob, and detailed internal foam. The GravaStar Mercury K1 takes the lead for travel thanks to its much larger battery capacity. For content creation, the choice depends on whether you value the AULA's interactive controls or the GravaStar's distinctive lighting aesthetic.

GamingAULA S75 Pro
  • •The AULA S75 Pro has a specified 4000 Hz polling rate for lower latency.
  • •It includes N-key rollover for accurate simultaneous key presses.
  • •The vendor description mentions lag-free performance for gaming.
OfficeAULA S75 Pro
  • •The AULA S75 Pro includes a multifunction knob for quick adjustments.
  • •Its 1.14-inch LCD screen can display date, time, and battery status.
  • •The vendor page states it supports up to five devices simultaneously via tri-mode connectivity.
ProgrammingAULA S75 Pro
  • •The AULA S75 Pro retains arrow keys in its 75% layout.
  • •It offers full key programmability via software for macros.
  • •The hot-swappable design allows for switch customization to preferred actuation forces.
TravelGravaStar Mercury K1
  • •The GravaStar Mercury K1 has a significantly larger 8000mAh battery.
  • •It is slightly heavier at 1080g, which may indicate a sturdier build for transport.
  • •Both share the same compact 75% form factor and tri-mode wireless connectivity.
ModdingAULA S75 Pro
  • •The AULA S75 Pro listing details five layers of sound-dampening foam and an extended silicone pad.
  • •It comes with screw-in stabilizers, which are preferred for modding.
  • •The vendor description specifies a hot-swappable base compatible with 3-pin and 5-pin switches.
Content CreationTie
  • •Both keyboards feature vibrant RGB backlighting for aesthetic setups.
  • •Both are hot-swappable, allowing for personalized typing feel and sound.
  • •The AULA offers a programmable knob and screen for controls, while the GravaStar offers a unique 'streamer effect' lighting design.

Frequently Asked Questions (FAQ)

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