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Compare GravaStar Mercury K1 vs Yunzii AL80 Differences Side by Side

This comparison is for buyers deciding between two feature-packed 75% aluminum wireless keyboards. The GravaStar Mercury K1 and Yunzii AL80 share a gasket mount, hot-swappable design, and tri-mode connectivity, making the choice difficult. The decision hinges on whether you prioritize advanced firmware customization and an integrated screen or longer battery life and a lighter chassis.

66
GravaStar Mercury K1 Wireless Mechanical Keyboard
88
YUNZII AL80 QMK/VIA Aluminum LCD Mechanical Keyboard

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  • Released in 2024
  • Includes a No display
  • 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
  • Offers Yes, Rgb RGB lighting
  • Released in 2025
  • Comes with a knob
  • Includes a Yes, LCD display
  • Supports QMK firmware
  • Supports VIA configuration
  • Features N-key rollover
  • Has built-in sound dampening
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless, Wired only connectivity
  • Runs at a 1000 Hz polling rate
  • Equipped with a 6000 mAh battery
  • Weighs about 1438.5 g
  • Sized at 41 x 138 x 314 mm
  • Features PBT keycaps
  • Offers Yes, Rgb, South-face, Rgb South-face RGB lighting
Scores
  • Performance: 66.2
  • Build Quality: 67.2
  • Productivity: 66.6
  • Customizability: 64
  • Portability: 92.3
Scores
  • Performance: 69.3
  • Build Quality: 80.1
  • Productivity: 93
  • Customizability: 92.4
  • Portability: 91.4
Name
GravaStar Mercury K1
Name
Yunzii AL80
Release year
2024
Release year
2025
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
 
Display Support
 
LCD
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, Wired only
Polling Rate
-
Polling Rate
1000 Hz
Battery capacity
8000 mAh
Battery capacity
6000 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
Aluminum
Case Material
Aluminum
Keycaps Material
-
Keycaps Material
PBT
Dimensions
46 x 343 x 156 mm
Dimensions
41 x 138 x 314 mm
Weight
1080g
Weight
1438.5g
*Something incorrect or missing? Please
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Pros and Trade-offs

Your priority should guide this choice. For a keyboard that is a platform for customization, from its firmware to its physical knobs and screen, the Yunzii AL80 is the more capable and feature-dense option. If your main needs are long battery life, a lighter build for mobility, and a straightforward typing experience with flashy RGB, the GravaStar Mercury K1 is the suitable pick. Consider the AL80's lower price point for its extensive feature set.

GravaStar Mercury K1

  • +Larger 8000mAh battery capacity for extended wireless use.
  • +Lighter weight of 1080g enhances portability.
  • +Features a unique 'three-sided streamer' RGB effect according to the vendor.
  • +Aluminum alloy case construction.
  • +Hot-swappable sockets support 3-pin and 5-pin switches.
  • −Lacks advanced firmware customization like QMK/VIA support.
  • −No integrated LCD screen or programmable knob.
  • −Keycap material is not specified in the provided metadata.
  • −Does not list N-key rollover or a specific polling rate in its specs.

Yunzii AL80

  • +Full QMK and VIA firmware support for deep customization.
  • +Includes a customizable LCD screen and a programmable metal knob.
  • +Features south-facing RGB LEDs and PBT double-shot keycaps.
  • +Listing includes sound dampening materials and N-key rollover (NKRO).
  • +Specifies a 1000 Hz polling rate for its wireless connection.
  • −Heavier at 1438.5g, making it less portable.
  • −Smaller 6000mAh battery compared to the Mercury K1.
  • −The vendor notes some users find the software 'not comfortable' in reviews.

Which Keyboard Is Better for Your Needs?

The Yunzii AL80 wins in most categories due to its extensive software support and extra features like the LCD screen and knob. It is the clear choice for programmers, modders, and office users who value customization and utility. The GravaStar Mercury K1 takes the lead specifically for travel, thanks to its lighter weight and larger battery, making it the more portable option despite both being wireless 75% keyboards.

GamingYunzii AL80
  • •The Yunzii AL80 lists a 1000 Hz polling rate for its wireless connection, which the Mercury K1's specifications do not mention.
  • •It features N-key rollover (NKRO) as a listed extra feature.
  • •South-facing RGB LEDs are specified, which can improve compatibility with certain keycap profiles.
OfficeYunzii AL80
  • •The integrated LCD screen can display time, battery status, and connection mode, according to the vendor description.
  • •It supports connectivity with up to 5 devices across multiple systems including Windows, Mac, Linux, Android, and iOS.
  • •The listing includes sound dampening as a feature, which may be beneficial in shared workspaces.
ProgrammingYunzii AL80
  • •Full QMK and VIA support allows for deep key remapping, macro programming, and layer customization.
  • •The 75% layout with a knob, as shown in its dimensions, saves desk space while retaining function keys.
  • •PBT keycaps are listed, which are generally more durable and resistant to shine than ABS.
TravelGravaStar Mercury K1
  • •The GravaStar Mercury K1 is significantly lighter at 1080g compared to the Yunzii AL80's 1438.5g.
  • •It has a larger 8000mAh battery capacity versus the AL80's 6000mAh.
  • •Its dimensions (343mm long) suggest a potentially more compact footprint than the AL80 (314mm long), though both are 75%.
ModdingYunzii AL80
  • •QMK and VIA firmware support provides extensive software customization for keys, macros, and RGB.
  • •The vendor description mentions multiple layers of sound-absorbing material within its gasket mount structure.
  • •It is compatible with 3-pin and 5-pin MX-style switches and includes pre-lubed linear switch options.
Content CreationYunzii AL80
  • •The programmable metal knob, mentioned in the vendor description, can be mapped to media controls or editing shortcuts.
  • •The LCD screen can be customized to display GIFs or photos, adding a personalization element for streaming setups.
  • •QMK/VIA support allows for creating complex macros for editing software.

Frequently Asked Questions (FAQ)

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