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Compare Redragon ANTONIUM K728 Pro vs K721 Differences Side by Side

This comparison is for buyers deciding between two Redragon keyboards in a similar price range with distinct priorities. The K721 is a wired, 75% layout board focused on high-performance gaming with Hall effect switches. The K728 Pro is an 80% TKL offering tri-mode wireless connectivity and extensive sound dampening. The decision is difficult because both feature gasket mounts and hot-swappable sockets, but they diverge sharply in their core purpose.

61
ANTONIUM K728 PRO
60
Redragon K721 Wired Mechanical Keyboard Magnetic Switches

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  • Has Linear switch options
  • Available in a 80% layout
  • Connects via USB-C
  • Has built-in sound dampening
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Weighs about 960 g
  • Sized at 37 x 373 x 37 mm
  • Made with a Plastic case
  • Features PBT keycaps
  • Offers Yes, Rgb, South-face, Rgb South-face RGB lighting
  • Has Linear, Magnetic switch options
  • Available in a 75% layout
  • Utilizes Hall effect sensors
  • Features N-key rollover
  • Enables rapid trigger functionality
  • Supports Wired, Wired only connectivity
  • Runs at a 8000 Hz polling rate
  • Weighs about 803 g
  • Sized at 43 x 335 x 140 mm
  • Offers Yes, Rgb RGB lighting
Scores
  • Performance: 63.9
  • Build Quality: 62.3
  • Productivity: 64
  • Customizability: 56.7
  • Portability: 68.8
Scores
  • Performance: 97.8
  • Build Quality: 58.1
  • Productivity: 51.3
  • Customizability: 54.3
  • Portability: 58
Name
Redragon ANTONIUM K728 Pro
Name
Redragon K721
Release year
2025
Release year
2025
Switch Options
Linear
Switch Options
Linear, Magnetic
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
 
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
Wired, Wired only
Polling Rate
-
Polling Rate
8000 Hz
Battery capacity
-
Battery capacity
-
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
-
Keycaps Material
PBT
Keycaps Material
-
Dimensions
37 x 373 x 37 mm
Dimensions
43 x 335 x 140 mm
Weight
960g
Weight
803g
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Pros and Trade-offs

Your primary need dictates the choice. If your desk is dedicated to a PC and you prioritize the fastest possible response for competitive gaming, the Redragon K721 is the specialized tool. If you value a clean desk, need to switch between devices, or prefer a quieter, more refined typing sound, the Redragon ANTONIUM K728 Pro offers compelling versatility without sacrificing core mechanical keyboard features.

Redragon ANTONIUM K728 Pro

  • +Tri-mode connectivity (USB-C, Bluetooth, 2.4GHz) for maximum flexibility.
  • +Extensive five-layer sound dampening system including PO foam, IXPE foam, and a PET sound pad.
  • +Includes side-printed PBT gradient keycaps and south-facing RGB LEDs.
  • +Comes with spare switches and necessary tools (keycap/switch puller).
  • −Lacks the high-performance gaming features like a stated high polling rate or Hall effect switches.
  • −Heavier than the K721 at 960g, which may affect portability slightly.
  • −Wireless connectivity may introduce latency not suitable for the most competitive gaming.

Redragon K721

  • +Features Hall effect magnetic switches with adjustable actuation points from 0.01mm to 3.5mm.
  • +High 8000Hz polling rate for minimal input latency.
  • +Includes Rapid Trigger technology for gaming, as stated by the vendor.
  • +More compact 75% layout saves desk space.
  • −Wired-only connectivity limits placement and adds cable clutter.
  • −Lacks the multi-layer foam dampening described for the K728 Pro.
  • −No mention of included spare switches or puller tools in the vendor listing.

Which Keyboard Is Better for Your Needs?

The K721 is the clear choice for dedicated, competitive gaming due to its high polling rate and Hall effect switches. For office use, travel, and content creation, the K728 Pro's wireless options and quieter typing experience are significant advantages. Programming and modding are a tie, as both boards share core enthusiast features like hot-swap sockets and gasket mounts, leaving the decision to secondary preferences like layout or sound profile.

GamingRedragon K721
  • •The K721 has a specified 8000Hz polling rate for faster response.
  • •It features Hall effect magnetic switches with adjustable actuation and Rapid Trigger technology, as listed by the vendor.
  • •Its 75% layout is more compact, freeing up mouse space.
OfficeRedragon ANTONIUM K728 Pro
  • •The K728 Pro offers Bluetooth and 2.4 GHz wireless connectivity for a cleaner desk and device switching.
  • •It includes five layers of noise dampening foam for a quieter environment.
  • •Its 80% TKL layout retains the function row and navigation cluster for productivity.
ProgrammingTie
  • •Both keyboards are hot-swappable, allowing for switch customization.
  • •Both use PBT keycaps for durability.
  • •The K728 Pro's wireless options offer flexibility, while the K721's more compact 75% layout saves desk space.
TravelRedragon ANTONIUM K728 Pro
  • •The K728 Pro is wireless, eliminating the need for a cable.
  • •It is slightly lighter at 960g compared to the K721's 803g, though both are similar.
  • •Its Bluetooth capability allows connection to laptops or tablets without a dongle.
ModdingTie
  • •Both keyboards are confirmed to be hot-swappable.
  • •Both utilize a gasket mount design.
  • •The K728 Pro's vendor description details specific foam layers (PO foam, IXPE switch foam, PET sound pad) for acoustic modders.
Content CreationRedragon ANTONIUM K728 Pro
  • •The K728 Pro's tri-mode wireless connectivity reduces cable clutter on camera.
  • •Its sound-dampened design produces quieter keystrokes for recording audio.
  • •South-facing RGB LEDs and gradient PBT keycaps, as described by Redragon, offer visual appeal for streaming setups.

Frequently Asked Questions (FAQ)

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