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Compare Redragon EISA MAX K686 vs UCAL K673 Differences Side by Side

This comparison is for buyers deciding between two similarly priced Redragon keyboards with different layout philosophies. The EISA MAX K686 offers a 98-key layout that retains a numpad in a compact frame, while the UCAL K673 adopts a more radical 75% design. Both share tri-mode connectivity, gasket mounts, and knob controls, making the choice hinge on your need for dedicated keys versus desk space and portability.

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EISA MAX K686
UCAL K673 DE

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  • Released in 2024
  • Has Linear switch options
  • Supports hot-swappable switches
  • Available in a 90% layout
  • Compatible with both Mac and Windows
  • Weighs about 1200 g
  • Sized at 90 x 430 x 90 mm
  • Features PBT keycaps
  • Released in 2025
  • Available in a 75% layout
  • Provides dedicated media keys
  • Runs at a 1000 Hz polling rate
  • Equipped with a 4000 mAh battery
  • Weighs about 1240 g
  • Sized at 104 x 335 mm
Scores
  • Performance: 66.1
  • Build Quality: 63.6
  • Productivity: 83.6
  • Customizability: 67.7
  • Portability: 51.9
Scores
  • Performance: 62.1
  • Build Quality: 58
  • Productivity: 63.2
  • Customizability: 54.2
  • Portability: 73.6
Name
Redragon EISA MAX K686
Name
Redragon UCAL K673
Release year
2024
Release year
2025
Switch Options
Linear
Switch Options
-
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
90%
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
Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate
-
Polling Rate
1000 Hz
Battery capacity
-
Battery capacity
4000 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
Plastic
Case Material
Plastic
Keycaps Material
PBT
Keycaps Material
-
Dimensions
90 x 430 x 90 mm
Dimensions
104 x 335 mm
Weight
1200g
Weight
1240g
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Pros and Trade-offs

Your primary need dictates the choice. If you require a numpad for work, want to modify your switches, or need guaranteed Mac compatibility, the Redragon EISA MAX K686 is the better investment. If maximizing desk space, enhancing portability, or having long wireless battery life is your top priority, the Redragon UCAL K673's compact form is the right pick. Both offer solid tri-mode wireless and gasket-mounted typing experiences at a similar price point.

Redragon EISA MAX K686

  • +Hot-swappable sockets for easy switch replacement and customization.
  • +98-key layout retains a numpad while saving space compared to a full-size board.
  • +Includes multiple sound-dampening foams (PO foam, IXPE, PET pad, silicone) for a quieter typing experience.
  • +Package includes useful accessories: a switch puller, keycap puller, and four spare switches.
  • +Explicit Mac and Windows support with a dedicated toggle button.
  • −Larger and heavier footprint (430mm wide, 1200g) is less portable.
  • −No specific battery capacity is listed in the provided specifications.
  • −Keycap material is specified, but the switch type is limited to the pre-installed Linear Mint Mambo.

Redragon UCAL K673

  • +Compact 75% layout (335mm wide) saves considerable desk space.
  • +Large 4000mAh battery, as stated by the vendor, promises extended wireless use.
  • +Includes multi-media keys for quick access to playback controls.
  • +A listed polling rate of 1000 Hz for reliable wired performance.
  • −Lacks hot-swap capability, limiting switch customization.
  • −The vendor description specifies a QWERTZ layout for German users, which may be non-standard for ANSI users.
  • −No keycap material is specified in the metadata, and the description does not mention PBT.
  • −Does not list explicit Mac/Win support in its extra features metadata.

Which Keyboard Is Better for Your Needs?

The EISA MAX K686 is the more versatile choice for stationary setups where productivity features like a numpad, hot-swap capability, and multi-OS support are prioritized. It wins for office work, gaming with keybinds, and content creation. The UCAL K673 is the clear winner for travel and portability due to its smaller 75% footprint and large battery, making it better for mobile setups or minimalist desks. For programming, the choice is a toss-up based on whether you value desk space or a numpad.

GamingRedragon EISA MAX K686
  • •The EISA MAX K686 includes a dedicated numpad, useful for keybinds in MMOs or simulation games.
  • •Its vendor description mentions software support for creating macros and custom keybindings.
  • •It comes with hot-swap sockets, allowing for switch changes to optimize actuation for different game genres.
OfficeRedragon EISA MAX K686
  • •The 98-key layout of the EISA MAX K686 includes a numpad, which is essential for data entry and spreadsheet work.
  • •It features explicit Mac/Win support with a side toggle button for seamless switching between operating systems.
  • •The vendor page lists PBT keycaps, which are more resistant to wear and shine from frequent use.
ProgrammingTie
  • •The EISA MAX K686's numpad can be useful for inputting numbers, but the UCAL K673's compact size frees up desk space.
  • •Both keyboards have a gasket mount design and sound-dampening foam, which can provide a more comfortable typing experience for long sessions.
  • •Both include a control knob for quick media and volume adjustments without interrupting workflow.
TravelRedragon UCAL K673
  • •The UCAL K673 has a significantly smaller 75% layout (335mm wide) compared to the EISA MAX K686's 430mm width.
  • •It is listed with a large 4000mAh battery, which the vendor claims is for long-lasting use.
  • •Its more compact form factor makes it easier to fit into a backpack or laptop bag.
ModdingRedragon EISA MAX K686
  • •The EISA MAX K686 is explicitly listed as hot-swappable, supporting both 3-pin and 5-pin switches.
  • •Its vendor description details multiple sound-dampening layers including PO foam, IXPE switch foam, a PET sound pad, and a silicone bottom pad.
  • •The package includes a keycap and switch puller along with four spare switches, providing immediate modding tools.
Content CreationRedragon EISA MAX K686
  • •The dedicated numpad on the EISA MAX K686 is valuable for timeline scrubbing and numerical input in video and photo editing software.
  • •Software support for macros, as mentioned on its vendor page, can streamline repetitive editing tasks.
  • •The inclusion of multi-media keys and a dedicated knob provides direct control over volume and playback.

Frequently Asked Questions (FAQ)

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