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Compare Redragon FIZZ K617 vs UCAL K673 Differences Side by Side

This comparison is for buyers deciding between Redragon's two distinct compact mechanical keyboards. The choice is difficult because it pits a highly affordable, minimalist 60% design against a more feature-rich 75% model with wireless flexibility. Your decision hinges on whether you prioritize maximum desk space and a lower cost or need dedicated arrow keys, a control knob, and the freedom to connect wirelessly.

FIZZ K617 60% Wired Mechanical Keyboard (Red Inner)
UCAL K673 DE

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  • Released in 2021
  • Has Linear, Clicky switch options
  • Supports hot-swappable switches
  • Available in a 60% layout
  • Built with the ANSI, ISO-DE, ISO-ES, ISO-FR, ISO-IT, ISO layout standard
  • Features N-key rollover
  • Uses a Bottom Mount mounting style
  • Supports Wired, Wired only connectivity
  • Weighs about 590 g
  • Sized at 38 x 99 x 36 mm
  • Released in 2025
  • Available in a 75% layout
  • Built with the ANSI layout standard
  • Comes with a knob
  • Provides dedicated media keys
  • Has built-in sound dampening
  • Uses a Gasket Mount mounting style
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • 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: 70
  • Build Quality: 54.9
  • Productivity: 52.3
  • Customizability: 56.3
  • Portability: 69.7
Scores
  • Performance: 62.1
  • Build Quality: 58
  • Productivity: 63.3
  • Customizability: 54.1
  • Portability: 73.5
Name
Redragon FIZZ K617
Name
Redragon UCAL K673
Release year
2021
Release year
2025
Switch Options
Linear, Clicky
Switch Options
-
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
60%
Layout Size
75%
Layout Standard
ANSI, ISO-DE, ISO-ES, ISO-FR, ISO-IT, ISO
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
Wired, Wired only
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
Bottom 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
-
Keycaps Material
-
Dimensions
38 x 99 x 36 mm
Dimensions
104 x 335 mm
Weight
590g
Weight
1240g
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Pros and Trade-offs

Your primary need dictates the choice. If your budget is tight, you play FPS games requiring maximum mouse space, or you simply want the smallest possible keyboard, the wired Redragon FIZZ K617 is the clear pick. If you need arrow keys, value wireless connectivity for a clean desk or multi-device use, and want features like a control knob and pre-installed sound dampening, the Redragon UCAL K673 is worth the higher cost.

Redragon FIZZ K617

  • +Extremely compact 60% layout maximizes desk space for mouse movement.
  • +Very affordable price point for a hot-swappable mechanical keyboard.
  • +Hot-swappable sockets support both 3-pin and 5-pin switches.
  • +Includes software for macro customization and lighting effects.
  • +Lightweight at 590 grams for easy portability and repositioning.
  • −Wired-only connectivity limits placement options and cable management.
  • −60% layout lacks dedicated arrow, function, and navigation keys, requiring use of layers.
  • −Bottom mount design may offer a less premium typing feel compared to gasket mounts.

Redragon UCAL K673

  • +Tri-mode connectivity (wired, Bluetooth, 2.4GHz) for flexible use across devices.
  • +75% layout retains arrow keys and some navigation keys in a compact form.
  • +Includes a control knob for media and lighting adjustment.
  • +Features sound dampening with PO foam and a silicone pad for quieter typing.
  • +Large 4000mAh battery for extended wireless use.
  • −Significantly heavier at 1240g, reducing portability.
  • −Larger 75% footprint takes up more desk space than a 60% board.
  • −More expensive than the FIZZ K617 model.

Which Keyboard Is Better for Your Needs?

The FIZZ K617 wins for dedicated gaming and travel due to its ultra-compact, wired design. The UCAL K673 is the stronger choice for office work, programming, and content creation, offering a more functional layout, wireless freedom, and a control knob. For modding, both offer a solid hot-swap foundation, making it a tie.

GamingRedragon FIZZ K617
  • •The 60% layout is marketed by Redragon as being dedicated for FPS gamers to maximize mouse space.
  • •Its lighter weight (590g) may be easier to reposition quickly.
  • •Wired-only connectivity provides a consistent connection without potential wireless interference.
OfficeRedragon UCAL K673
  • •The 75% layout retains arrow keys and some navigation keys for better productivity without a full-size footprint.
  • •Tri-mode wireless connectivity (Bluetooth, 2.4GHz, wired) allows easy switching between multiple devices.
  • •Sound dampening with 3.5mm PO foam and a silicone pad, as described by the manufacturer, makes for quieter typing in shared spaces.
ProgrammingRedragon UCAL K673
  • •The 75% layout provides dedicated arrow keys and some function keys, reducing reliance on layers for common navigation.
  • •The inclusion of a control knob can be mapped to scroll or adjust values in an IDE.
  • •Quieter, dampened typing experience may be preferable for long coding sessions.
TravelRedragon FIZZ K617
  • •Smaller 60% size (38 x 99 x 36 mm) and lighter weight (590g) make it more portable.
  • •Does not require charging, as it is wired-only.
  • •Simpler design with no battery may face fewer issues during transport.
ModdingTie
  • •Both keyboards are hot-swappable, allowing for switch changes.
  • •The FIZZ K617 lists compatibility with both 3-pin and 5-pin switches.
  • •The UCAL K673 includes a gasket mount design and comes with a keycap & switch puller and spare switches in the box.
Content CreationRedragon UCAL K673
  • •The dedicated control knob can be used for media playback, volume, and scrolling through timelines.
  • •Multi-media keys provide quick access to playback controls.
  • •Wireless connectivity offers a cleaner desk setup for filming or streaming.

Frequently Asked Questions (FAQ)

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