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

This comparison is for buyers deciding between two similarly priced Redragon tri-mode wireless keyboards with different layout philosophies. The choice hinges on whether you prioritize retaining a numpad with the 98-key EISA K686 Pro or prefer the extreme space efficiency of the 75% UCAL K673. Both offer gasket mount sound dampening, a control knob, and multi-device connectivity, making the layout and specific features like hot-swap the key differentiators.

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EISA K686 PRO
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 1060 g
  • Sized at 90 x 430 x 90 mm
  • Features PBT keycaps
  • Offers Yes, Rgb, South-face, Rgb South-face RGB lighting
  • 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
  • Offers Yes, Rgb RGB lighting
Scores
  • Performance: 65.4
  • Build Quality: 63.2
  • Productivity: 82.9
  • Customizability: 66.9
  • Portability: 51.7
Scores
  • Performance: 62.1
  • Build Quality: 58
  • Productivity: 63.3
  • Customizability: 54.1
  • Portability: 73.5
Name
Redragon EISA K686 Pro
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, South-face
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
1060g
Weight
1240g
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Pros and Trade-offs

Your primary need dictates the choice. If you require a numpad for data entry, gaming, or creative work and want the freedom to change switches, the Redragon EISA K686 Pro is the clear option. If saving every inch of desk space is paramount and you prioritize long battery life in a wireless, non-hot-swap board, the Redragon UCAL K673 is the better fit. Both deliver core features like tri-mode connectivity and gasket-mounted typing feel at a similar price point.

Redragon EISA K686 Pro

  • +Hot-swappable PCB supporting 3-pin and 5-pin switches for easy customization.
  • +98-key layout retains a numpad while saving space compared to a full-size board.
  • +Includes PBT keycaps for better long-term durability and feel.
  • +Comes with a comprehensive accessory kit (pullers, spare switches, USB-C cable, receiver).
  • +Features south-facing RGB LEDs to avoid interference with Cherry-profile keycaps.
  • −Larger 430mm width requires more desk space than a 75% layout.
  • −No explicit battery capacity is listed for its wireless operation.
  • −The vendor description does not specify a polling rate for wired mode.

Redragon UCAL K673

  • +More compact 75% layout (335mm wide) maximizes mouse movement area.
  • +Equipped with a large 4000mAh battery for extended wireless use.
  • +Explicitly lists a 1000 Hz polling rate for responsive wired performance.
  • +Includes dedicated multi-media keys according to its feature list.
  • −Not listed as hot-swappable, limiting switch customization.
  • −Keycap material is not specified, which may indicate less durable ABS plastic.
  • −The German QWERTZ layout variant may not be ideal for ANSI/QWERTY users.
  • −Heavier weight (1240g) for its size class.

Which Keyboard Is Better for Your Needs?

The EISA K686 Pro wins in scenarios demanding a numpad, extensive customization, or durable keycaps, making it stronger for office work, modding, and content creation. The UCAL K673 takes the lead for travel due to its smaller 75% footprint and large battery, while also being a contender for programming where desk space is limited. For gaming, the EISA's hot-swap capability and full layout give it a slight edge.

GamingRedragon EISA K686 Pro
  • •The EISA K686 Pro's 98-key layout includes a numpad, which is useful for certain games and macros.
  • •Its hot-swappable socket allows for easy switch replacement to suit gaming preferences.
  • •South-facing RGB LEDs, as listed in its specs, prevent interference with some aftermarket keycaps.
OfficeRedragon EISA K686 Pro
  • •The EISA K686 Pro's 98-key layout includes a dedicated numpad for data entry.
  • •It features PBT keycaps, which are more resistant to shine from frequent use.
  • •The manufacturer lists explicit Mac/Win support with a side toggle button for seamless switching.
ProgrammingTie
  • •The EISA K686 Pro offers a numpad for numerical input and shortcuts.
  • •The UCAL K673's 75% layout provides more mouse space on a crowded desk.
  • •Both keyboards include a control knob for quick media and brightness adjustments.
TravelRedragon UCAL K673
  • •The UCAL K673 has a more compact 75% layout (335mm wide) versus the 98-key's 430mm width.
  • •It is listed with a large 4000mAh battery for longer wireless use between charges.
  • •It is slightly heavier (1240g vs 1060g), but its smaller footprint is more packable.
ModdingRedragon EISA K686 Pro
  • •The EISA K686 Pro is explicitly hot-swappable, supporting 3-pin and 5-pin switches.
  • •It includes a keycap and switch puller and four spare switches in the box.
  • •PBT keycaps provide a more durable starting point for customization.
Content CreationRedragon EISA K686 Pro
  • •The EISA K686 Pro's numpad is valuable for timeline scrubbing and numerical shortcuts in editing software.
  • •Software support allows for macro programming to streamline repetitive tasks.
  • •The included media knob provides direct control over volume and playback.

Frequently Asked Questions (FAQ)

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