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Compare Redragon COVE K733 vs UCAL K673 Differences Side by Side

This comparison is for users deciding between a dedicated mechanical numpad and a compact 75% keyboard, both from Redragon. The choice is difficult because they serve fundamentally different primary functions. The COVE K733 is an accessory designed to complement a keyboard without a numpad, while the UCAL K673 is a full, standalone typing solution. Your decision hinges entirely on whether you need a complete keyboard or just the numeric keypad functionality.

80
COVE K733 Mechanical Numpad Keyboard
UCAL K673 DE

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  • Has Linear switch options
  • Supports hot-swappable switches
  • Available in a Numpad layout
  • Includes a Yes display
  • Compatible with both Mac and Windows
  • Runs at a 8000 Hz polling rate
  • Weighs about 230 g
  • Sized at 98 x 165 x 38 mm
  • Available in a 75% layout
  • Includes a No display
  • 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: 83.3
  • Build Quality: 74.6
  • Productivity: 82.9
  • Customizability: 79.1
  • Portability: 88.3
Scores
  • Performance: 62.1
  • Build Quality: 58.1
  • Productivity: 63.3
  • Customizability: 54.1
  • Portability: 73.5
Name
Redragon COVE K733
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
Numpad
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
8000 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
Backlight
 
Rgb
Case Colors
Case Colors
Case Material
Plastic
Case Material
Plastic
Keycaps Material
-
Keycaps Material
-
Dimensions
98 x 165 x 38 mm
Dimensions
104 x 335 mm
Weight
230g
Weight
1240g
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Pros and Trade-offs

Your need dictates the choice. If you already have a TKL or 60% keyboard and miss a numpad, the Redragon COVE K733 is a capable, portable, and mod-friendly accessory. If you are looking for your primary, daily-driver keyboard in a compact form factor, the Redragon UCAL K673 is the necessary standalone solution. Do not buy the K733 expecting to type on it alone.

Redragon COVE K733

  • +Ultra-portable at 230g with a compact 22-key numpad layout.
  • +Features a built-in calculator display with PC and Calculator modes.
  • +Hot-swappable design with broad switch compatibility.
  • +High 8000 Hz polling rate for responsive input.
  • +Includes a five-layer sound dampening system with PO foam, IXPE foam, and PET pad.
  • −Not a standalone keyboard; requires a separate main keyboard for typing.
  • −User reviews indicate the calculator mode may use non-standard operation precedence.
  • −Lacks a large internal battery, relying more on wired or frequent wireless charging.

Redragon UCAL K673

  • +Complete 75% keyboard layout with 81 keys, including arrows and function row.
  • +Large 4000mAh battery for extended wireless use.
  • +Includes a control knob for media and lighting, plus dedicated multi-media keys.
  • +Software is listed as supported for customization.
  • +Package includes a keycap & switch puller and spare switches.
  • −Significantly heavier at 1240g and less portable.
  • −Lower 1000 Hz polling rate compared to the K733.
  • −Vendor description does not confirm hot-swap capability for the main keyboard.

Which Keyboard Is Better for Your Needs?

The UCAL K673 wins for primary use as a standalone keyboard in office, programming, and general productivity due to its complete 75% layout. The COVE K733 excels as a secondary device for gaming, travel, and modding, thanks to its high polling rate, ultra-portability, and hot-swap design. For content creation, the decision splits between the K673's media controls and the K733's efficient number entry.

GamingRedragon COVE K733
  • •The COVE K733 has a higher 8000 Hz polling rate for potentially lower latency.
  • •Its 230g weight and compact 22-key size free up significant desk space for mouse movement.
  • •It can be used alongside a separate gaming keyboard for dedicated macro or number input.
OfficeRedragon UCAL K673
  • •The UCAL K673 is a complete 75% keyboard with all essential alphanumeric and function keys.
  • •It includes dedicated multi-media keys and a control knob for volume and playback.
  • •Its listed 4000mAh battery supports long wireless use without frequent charging.
ProgrammingRedragon UCAL K673
  • •The UCAL K673 provides a full set of keys necessary for coding, including arrows and function row.
  • •Its compact 75% layout saves space while retaining most keys used in development environments.
  • •The COVE K733 lacks alphanumeric keys and is only useful as a supplementary numpad for data entry.
TravelRedragon COVE K733
  • •The COVE K733 is extremely lightweight at 230g and has a tiny 98x165mm footprint.
  • •It offers tri-mode connectivity (wired, Bluetooth, 2.4GHz) for flexible use with laptops or tablets.
  • •The UCAL K673 is significantly heavier at 1240g and is a full-sized peripheral.
ModdingRedragon COVE K733
  • •The COVE K733 is confirmed to be hot-swappable, allowing for easy switch changes.
  • •Its vendor description details a five-layer noise dampening system with PO foam, IXPE switch foam, PET sound pad, and silicone.
  • •The UCAL K673's listing does not mention hot-swap capability, and its included switch puller is for replacing pre-installed spare switches.
Content CreationTie
  • •The UCAL K673's media keys and control knob are useful for video/audio editing controls.
  • •The COVE K733's built-in calculator display and dedicated numpad can speed up numerical data entry in spreadsheets or design software.
  • •The best choice depends on whether the user prioritizes media controls or numerical input efficiency.

Frequently Asked Questions (FAQ)

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