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Compare GravaStar Mercury K1 vs WOBKEY Rainy HE Pro Differences Side by Side

This comparison is for buyers deciding between a versatile wireless keyboard and a specialized wired gaming board. Both are 75% aluminum gasket-mount keyboards, making the choice difficult. The GravaStar offers tri-mode connectivity and a massive battery, while the WOBKEY focuses on ultra-low latency and advanced magnetic switch features. Your priority between untethered use and cutting-edge gaming specs will determine the winner.

66
GravaStar Mercury K1 Wireless Mechanical Keyboard
65
WOBKEY Rainy 75 HE Pro Keyboard

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  • Released in 2024
  • Has Linear switch options
  • Compatible with both Mac and Windows
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Equipped with a 8000 mAh battery
  • Weighs about 1080 g
  • Sized at 46 x 343 x 156 mm
  • Released in 2025
  • Has Magnetic switch options
  • Utilizes Hall effect sensors
  • Enables rapid trigger functionality
  • Supports Wired, Wired only connectivity
  • Runs at a 8000 Hz polling rate
  • Features PBT, PC keycaps
Scores
  • Performance: 66.2
  • Build Quality: 67.4
  • Productivity: 66.5
  • Customizability: 63.9
  • Portability: 92.3
Scores
  • Performance: 94.4
  • Build Quality: 67.3
  • Productivity: 54.3
  • Customizability: 58.3
  • Portability: 63.3
Name
GravaStar Mercury K1
Name
WOBKEY Rainy HE Pro
Release year
2024
Release year
2025
Switch Options
Linear
Switch Options
Magnetic
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
 
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
Wired, Wired only
Polling Rate
-
Polling Rate
8000 Hz
Battery capacity
8000 mAh
Battery capacity
-
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
Aluminum
Case Material
Aluminum
Keycaps Material
-
Keycaps Material
PBT, PC
Dimensions
46 x 343 x 156 mm
Dimensions
-
Weight
1080g
Weight
-
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Pros and Trade-offs

Your choice hinges on connectivity versus performance. For a single-desk, performance-focused setup where every millisecond counts in games, the WOBKEY Rainy HE Pro's wired Hall Effect design is compelling. If you value the freedom to move between devices, need battery life, or have a less stationary workflow, the GravaStar Mercury K1's wireless versatility is the more practical option.

GravaStar Mercury K1

  • +Tri-mode connectivity with Bluetooth, 2.4 GHz, and wired USB-C.
  • +Large 8000mAh integrated battery for extended wireless use.
  • +Aluminum case with a gasket mount and POM plate for a tuned typing feel.
  • +Hot-swappable sockets support 3-pin and 5-pin switches.
  • +Includes Mac and Windows support according to its feature list.
  • −Lacks the high polling rate and advanced switch features of dedicated gaming keyboards.
  • −At 1080g, it is a heavy keyboard, which may reduce portability despite its wireless design.
  • −Switch compatibility is limited to the provided Kailh linear switches without mention of magnetic switch support.

WOBKEY Rainy HE Pro

  • +Features an 8000Hz polling rate for minimal input latency.
  • +Uses Gateron Jade Pro Magnetic (Hall Effect) switches with adjustable actuation and rapid trigger.
  • +Built with a carbon fiber plate and double-shot PBT/PC keycaps.
  • +Includes a patterned stainless steel external weight for stability.
  • +Non-magnetic steel stabilizers prevent interference with the magnetic switches.
  • −Wired-only connectivity, with no battery or wireless option.
  • −Hall Effect switch compatibility is currently limited to specific magnetic switch models like TTC KOM and Gateron Jade Pro.
  • −Lacks the multi-device flexibility and battery life of wireless alternatives.

Which Keyboard Is Better for Your Needs?

The GravaStar Mercury K1 wins for mobile and multi-device scenarios like office work, travel, and content creation due to its wireless modes and large battery. The WOBKEY Rainy HE Pro is the clear choice for competitive gaming, leveraging its high polling rate and Hall Effect switches. For stationary tasks like programming or modding, the keyboards are evenly matched on core layout and customization features.

GamingWOBKEY Rainy HE Pro
  • •The WOBKEY Rainy HE Pro has a specified 8000Hz polling rate for faster response.
  • •It features Hall Effect magnetic switches with adjustable actuation points and rapid trigger technology.
  • •The manufacturer lists latency as low as 0.125ms.
OfficeGravaStar Mercury K1
  • •The GravaStar Mercury K1 offers Bluetooth and 2.4 GHz wireless connectivity for a cleaner desk.
  • •Its 8000mAh battery provides long usage between charges.
  • •The product listing confirms Mac and Windows support.
ProgrammingTie
  • •Both keyboards share a 75% ANSI layout, offering similar key accessibility.
  • •Both are hot-swappable, allowing for switch changes to suit typing preference.
  • •Both feature gasket mount designs which can affect typing feel.
TravelGravaStar Mercury K1
  • •The GravaStar Mercury K1 supports wireless operation, eliminating the need for a cable.
  • •It has a built-in 8000mAh battery for portable use.
  • •The WOBKEY Rainy HE Pro is wired-only, requiring a constant USB-C connection.
ModdingTie
  • •Both keyboards are confirmed to have hot-swappable sockets.
  • •Both use a gasket mount design, a popular modding platform.
  • •The GravaStar uses a POM plate while the WOBKEY uses a carbon fiber plate, offering different modding starting points.
Content CreationGravaStar Mercury K1
  • •The GravaStar's wireless connectivity allows for easy repositioning during filming or streaming setups.
  • •The long battery life reduces downtime during long editing sessions.
  • •Its vendor description highlights a unique visual streamer effect for aesthetic setups.

Frequently Asked Questions (FAQ)

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