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Compare Redragon ANTONIUM K743 Pro vs UCAL K673 Differences Side by Side

This comparison is for buyers deciding between two similarly priced Redragon wireless keyboards. The choice is difficult because both offer tri-mode connectivity, gasket mounts, and a compact layout, but they diverge on key features. The ANTONIUM K743 Pro adds a customizable screen and hot-swap capability, while the UCAL K673 prioritizes a larger battery and a specific regional layout. Your decision hinges on whether you value future customization or longer unplugged use.

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ANTONIUM K743 PRO (Side Printed PBT Keycaps)
UCAL K673 DE

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  • Has Linear switch options
  • Supports hot-swappable switches
  • Available in a 80% layout
  • Includes a Yes, TFT display
  • Compatible with both Mac and Windows
  • Features N-key rollover
  • Includes screw-in stabilizers
  • Weighs about 920 g
  • Sized at 37 x 373 x 140 mm
  • Features PBT keycaps
  • Offers Yes, Rgb, South-face, Rgb South-face RGB lighting
  • Available in a 75% layout
  • Includes a No display
  • Provides dedicated media keys
  • Equipped with a 4000 mAh battery
  • Weighs about 1240 g
  • Sized at 104 x 335 mm
  • Offers Yes, Rgb RGB lighting
Scores
  • Performance: 78.3
  • Build Quality: 75.5
  • Productivity: 90.9
  • Customizability: 78.1
  • Portability: 70.3
Scores
  • Performance: 62.1
  • Build Quality: 58
  • Productivity: 63.3
  • Customizability: 54.1
  • Portability: 73.5
Name
Redragon ANTONIUM K743 Pro
Name
Redragon UCAL K673
Release year
2025
Release year
2025
Switch Options
Linear
Switch Options
-
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
80%
Layout Size
75%
Layout Standard
ANSI
Layout Standard
ANSI
Layout Ergonomics
Normal
Layout Ergonomics
Normal
Knob Support
 
Knob Support
 
Display Support
 
TFT
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
1000 Hz
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
37 x 373 x 140 mm
Dimensions
104 x 335 mm
Weight
920g
Weight
1240g
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Pros and Trade-offs

For most users, the Redragon ANTONIUM K743 Pro offers better long-term value due to its hot-swap capability and unique TFT screen, making it a more customizable and future-proof option. Only choose the Redragon UCAL K673 if you specifically require the German QWERTZ layout or prioritize maximum battery life above all other features, and are willing to forgo easy switch changes.

Redragon ANTONIUM K743 Pro

  • +Hot-swappable socket for easy switch replacement.
  • +Features a 1.14-inch TFT screen for custom GIFs and system info.
  • +Includes five specific sound-dampening layers for a tuned acoustic profile.
  • +Comes with PBT gradient keycaps and screw-in stabilizers.
  • +South-facing RGB LEDs ensure compatibility with Cherry-profile keycaps.
  • −Battery capacity is not specified in the available information.
  • −Heavier than some competitors in its class at 920g.
  • −The screen's UI has been noted in a user review to look somewhat outdated.

Redragon UCAL K673

  • +Large 4000mAh battery for extended wireless use.
  • +Designed with a German QWERTZ layout for regional users.
  • +Includes dedicated multi-media keys for quick control.
  • +Lists software support for customization.
  • −Not listed as hot-swappable, limiting switch customization.
  • −Significantly heavier at 1240g, which affects portability.
  • −Keycap material is not specified, which may affect long-term durability.
  • −Lacks a screen for system information or customization.

Which Keyboard Is Better for Your Needs?

The ANTONIUM K743 Pro is the more versatile choice for users who prioritize customization, whether through its hot-swap socket, extensive sound dampening, or programmable screen. The UCAL K673 caters to specific needs, namely extended wireless battery life and a regional German layout. For gaming and creative work, the K743 Pro's features are more relevant, while the K673's advantages are situational for office use or travel, tempered by its significant weight.

GamingRedragon ANTONIUM K743 Pro
  • •Both have a 1000 Hz polling rate for responsive input.
  • •The ANTONIUM K743 Pro includes screw-in stabilizers, which can provide more consistent key feel for gaming.
  • •Its south-facing RGB LEDs are compatible with more aftermarket keycap sets for personalization.
OfficeRedragon UCAL K673
  • •The UCAL K673 has a larger 4000mAh battery, reducing the frequency of charges.
  • •Its listing mentions dedicated multi-media keys for quick controls.
  • •It is specifically marketed with a German QWERTZ layout for users in DE/AT/CH regions.
ProgrammingRedragon ANTONIUM K743 Pro
  • •The ANTONIUM K743 Pro's hot-swappable socket allows switch changes to tailor typing feel.
  • •It includes PBT keycaps, which are more durable against shine from heavy use.
  • •Software support is listed for creating macros and custom keybindings.
TravelRedragon UCAL K673
  • •The UCAL K673 has a slightly more compact 75% layout (335mm wide) versus the 80% K743 Pro (373mm wide).
  • •Its larger 4000mAh battery is advantageous for mobile use without charging.
  • •It is notably heavier (1240g), which may affect portability despite the smaller footprint.
ModdingRedragon ANTONIUM K743 Pro
  • •The ANTONIUM K743 Pro is explicitly hot-swappable, supporting 3-pin and 5-pin switches.
  • •It features a 5-layer noise dampening system with PO foam, IXPE foam, PET pad, socket foam, and a silicone pad for acoustic tuning.
  • •It comes with a keycap and switch puller and spare switches in the box.
Content CreationRedragon ANTONIUM K743 Pro
  • •The ANTONIUM K743 Pro's TFT screen can display custom GIFs and system info, useful for monitoring or branding.
  • •Its knob and software support allow for customizable media and macro controls.
  • •The included PBT gradient keycaps offer a distinct aesthetic for streaming setups.

Frequently Asked Questions (FAQ)

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