Compare Redragon HORUS K618 vs Horus K621 Differences Side by Side

This comparison is for buyers deciding between two low-profile, tri-mode wireless keyboards from Redragon's Horus series. The choice is difficult because both share core features like low-profile switches, Bluetooth 5.0, 2.4GHz, and wired connectivity, a 1900mAh battery, and RGB lighting. The primary decision hinges on whether you need a full-size layout or a more space-saving tenkeyless design, which impacts desk space, portability, and specific key availability.

Model
			Select a keyboard to compare
Rating	0.0 stars (0 reviews)	0.0 stars (0 reviews)
Purchase Options
Main differences	Available in a 100% layout Connects via USB-C Weighs about 725 g Sized at 17 x 437 x 147 mm	Available in a 80% layout Weighs about 600 g
Score	Scores Performance: 71.8 Build Quality: 43.6 Productivity: 48.7 Customizability: 44.4 Portability: 47.4	Scores Performance: 72.7 Build Quality: 45.4 Productivity: 47 Customizability: 46 Portability: 60.5
Name	Name Redragon HORUS K618	Name Redragon Horus K621
Release year	Release year 2021	Release year 2021
Switch Options	Switch Options Clicky, Tactile, Linear	Switch Options Clicky, Tactile, Linear
Profile	Profile Low Profile	Profile Low Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 100%	Layout Size 80%
Layout Standard	Layout Standard ANSI	Layout Standard ANSI
Layout Ergonomics	Layout Ergonomics Normal	Layout Ergonomics Normal
Knob Support	Knob Support	Knob Support
Display Support	Display Support	Display Support
Mac/Win Support	Mac/Win Support	Mac/Win Support
Multi-Media Keys	Multi-Media Keys	Multi-Media Keys
USB-C	USB-C	USB-C
USB passthrough	USB passthrough	USB passthrough
Connection	Connection Bluetooth, 2.4 GHz, Wired, Wireless	Connection Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate	Polling Rate -	Polling Rate -
Battery capacity	Battery capacity 1900 mAh	Battery capacity 1900 mAh
Hall Effect Support	Hall Effect Support	Hall Effect Support
QMK Support	QMK Support	QMK Support
VIA Support	VIA Support	VIA Support
VIAL Support	VIAL Support	VIAL Support
N-Key Rollover	N-Key Rollover	N-Key Rollover
Rapid Trigger	Rapid Trigger	Rapid Trigger
Mount Style	Mount Style Bottom Mount	Mount Style Bottom Mount
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight Rgb	Backlight Rgb
Case Colors	Case Colors	Case Colors
Case Material	Case Material Plastic	Case Material Plastic
Keycaps Material	Keycaps Material -	Keycaps Material -
Dimensions	Dimensions 17 x 437 x 147 mm	Dimensions -
Weight	Weight 725g	Weight 600g

*Something incorrect or missing? Please

let me know

!

Pros and Trade-offs

Your desk space and need for a numpad should guide this decision. Opt for the Redragon Horus K618 if you regularly input numbers, play games that use a numpad, or want the maximum number of dedicated macro keys. Choose the Redragon Horus K621 if you prioritize a cleaner, more portable setup and are willing to access number keys via a function layer.

Redragon HORUS K618

+Full-size 104-key layout with a dedicated numpad.
+4x5 grid of on-the-fly macro keys for complex commands.
+Includes a dedicated function area for media control.
+Manufacturer lists a one-touch Win/Mac switch button.
+Comes with a detachable USB Type-C cable.

−Larger and heavier (725g) than the TKL model.
−Full-size layout requires more desk space.
−No vendor information confirms hot-swap capability for switches.

Redragon Horus K621

+Compact 80% TKL (87-key) layout saves desk space.
+Lighter weight (600g) for better portability.
+Includes 4x4 on-the-fly macro keys.
+Tri-mode connectivity (Bluetooth, 2.4GHz, wired) in a smaller form.
+Comes with a detachable Type-C cable.

−Lacks a dedicated numpad for data entry.
−Smaller macro key grid (4x4) compared to the K618.
−Product listing was marked as sold out at the time of writing.

Which Keyboard Is Better for Your Needs?

The K618 is the clear choice for office work, data-heavy gaming, and content creation due to its full-size layout with numpad and extensive macro keys. The K621 wins for travel and portability with its lighter, more compact TKL form factor. For programming and modding, the keyboards are closely matched, making the decision one of layout preference rather than feature disparity.

GamingRedragon HORUS K618

•Full-size layout includes a numpad for MMO or simulation games.
•Offers 4x5 on-the-fly macro keys for complex keybindings.
•Dedicated media control keys for quick audio adjustments.

OfficeRedragon HORUS K618

•Full 104-key layout includes a numpad for data entry.
•Manufacturer lists a Win/Mac switch button for cross-platform use.
•Low-profile switches are listed as suitable for office use.

ProgrammingTie

•Both offer N-key rollover and tri-mode connectivity.
•Both support software for key remapping and macros.
•Choice depends on personal preference for a full-size or TKL layout.

TravelRedragon Horus K621

•TKL (80%) layout is more compact and saves space in a bag.
•Lighter weight (600g vs 725g) according to product listings.
•Smaller footprint is easier to fit on varied workspaces.

ModdingTie

•Both are pre-built with low-profile switches and plastic cases.
•Both mention professional software support for lighting and key reassignments.
•Neither product listing mentions hot-swap sockets for switch replacement.

Content CreationRedragon HORUS K618

•Full-size layout provides dedicated numpad for timeline scrubbing or numerical input.
•More macro keys (4x5 vs 4x4) for application shortcuts.
•Dedicated media controls are useful for video and audio editing workflows.