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Compare Redragon EISA K686 Pro SE vs UCAL K673 Pro Differences Side by Side

This comparison is for buyers deciding between two feature-rich, tri-mode wireless keyboards from Redragon. The choice is difficult because both share a gasket mount design, five-layer sound dampening, hot-swap sockets, and a control knob. The core trade-off is between the EISA K686 Pro SE's 96% layout with a numpad and the UCAL K673 Pro's ultra-portable 75% form factor. Your decision will hinge on whether you prioritize key count and data entry or desk space and mobility.

66
EISA K686 PRO SE Anime Keyboard
66
UCAL K673 PRO

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  • Released in 2024
  • Available in a 90% layout
  • Sized at 60 x 430 x 60 mm
  • Released in 2023
  • Available in a 75% layout
  • Equipped with a 4000 mAh battery
  • Sized at 37 x 335 x 37 mm
Scores
  • Performance: 67.3
  • Build Quality: 64.9
  • Productivity: 71.3
  • Customizability: 62.3
  • Portability: 49.5
Scores
  • Performance: 65.1
  • Build Quality: 63.1
  • Productivity: 69.7
  • Customizability: 58.8
  • Portability: 75.6
Name
Redragon EISA K686 Pro SE
Name
Redragon UCAL K673 Pro
Release year
2024
Release year
2023
Switch Options
Linear
Switch Options
Linear
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
-
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
PBT
Dimensions
60 x 430 x 60 mm
Dimensions
37 x 335 x 37 mm
Weight
1200g
Weight
1200g
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Pros and Trade-offs

Your primary need dictates the choice. If you regularly use a numpad for work, finance, or gaming, the Redragon EISA K686 Pro SE is the logical pick despite its larger size. If your priority is a clean, space-efficient desk setup, or you need a keyboard to carry between locations, the significantly more compact Redragon UCAL K673 Pro is the better tool. Both deliver excellent core features like gasket mount feel, tri-mode connectivity, and hot-swap customization for the price.

Redragon EISA K686 Pro SE

  • +96% layout with 98 keys includes a numpad and dedicated function row.
  • +Includes a nano receiver and four spare switches in the package.
  • +Features themed, five-sided dye-sublimated PBT keycaps with character artwork.
  • +Equipped with a five-layer sound dampening system for a muted acoustic profile.
  • −Larger 430mm width requires more desk space.
  • −No battery capacity is listed in the specifications for wireless use.
  • −The anime-themed keycaps may not suit all professional environments.

Redragon UCAL K673 Pro

  • +Compact 75% layout (335mm wide) saves considerable desk space and is marketed as ultra-portable.
  • +Includes a 4000mAh battery for extended wireless use.
  • +Features a built-in dongle storage socket to help prevent loss of the wireless receiver.
  • +Offers mixed-color PBT keycaps in a simple, clean design.
  • −Lacks a numpad, which can be a drawback for data entry.
  • −The function keys require the use of a function layer, as they are not dedicated.
  • −The vendor listing mentions a 3000mAh battery in the features but 4000mAh in the specs, causing some ambiguity.

Which Keyboard Is Better for Your Needs?

The EISA K686 Pro SE is the clear choice for office work and any task requiring frequent numerical input due to its numpad. It also has a slight edge for gaming and content creation because of its more expansive layout. The UCAL K673 Pro dominates for travel and situations where desk space is limited, thanks to its 75% form factor. For programming and modding, the keyboards are closely matched, offering similar core customization features, making the choice more about layout preference.

GamingRedragon EISA K686 Pro SE
  • •The 96% layout retains the numpad, which is useful for keybinds in MMOs or simulation games.
  • •Both offer tri-mode connectivity and gasket-mounted designs for a cushioned typing feel.
  • •The vendor description for the EISA model mentions software support for creating macros.
OfficeRedragon EISA K686 Pro SE
  • •The 98-key layout includes a full numpad, which is essential for efficient data entry and spreadsheet work.
  • •Both keyboards feature PBT keycaps for durability and five-layer noise dampening for a quieter office environment.
  • •The included dedicated function keys on the EISA model reduce the need for key combinations.
ProgrammingTie
  • •The EISA K686 offers arrow keys and a numpad for numerical input, while the UCAL K673 also has arrow keys in a smaller package.
  • •Both are hot-swappable, allowing programmers to customize switch feel for long typing sessions.
  • •Each keyboard supports software for macro programming, which can streamline coding workflows.
TravelRedragon UCAL K673 Pro
  • •The UCAL K673 Pro has a much smaller footprint (335mm wide) compared to the EISA K686 (430mm wide).
  • •It is explicitly marketed as 'ultra-portable' in its vendor description.
  • •Both share the same weight, but the K673's compact dimensions make it easier to pack.
ModdingRedragon EISA K686 Pro SE
  • •Both feature hot-swap sockets compatible with 3-pin and 5-pin switches.
  • •The EISA K686 Pro SE vendor description specifies it includes four spare switches and a switch puller in the box.
  • •Both utilize a five-layer dampening system (PO foam, IXPE foam, PET pad, socket foam, silicone base) for acoustic mods.
Content CreationRedragon EISA K686 Pro SE
  • •The dedicated knob on both keyboards provides quick control over media playback and volume, useful for video editing.
  • •The EISA K686's numpad allows for faster numerical input when editing timelines or adjusting settings.
  • •The larger layout provides more immediate access to function keys for application shortcuts.

Frequently Asked Questions (FAQ)

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