Compare Ducky One 3 vs Keychron K3 V3 Differences Side by Side

This comparison is for buyers deciding between a classic, full-featured wired keyboard and a modern, ultra-portable wireless model. The Ducky One 3 offers a traditional typing feel with a focus on sound dampening, while the Keychron K3 V3 provides a slimmer profile, Bluetooth connectivity, and advanced firmware support. The decision hinges on whether you prioritize a stationary, acoustically-optimized setup or need the versatility of a low-profile, multi-device wireless keyboard.

Model
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Rating	0.0 stars (0 reviews)	0.0 stars (0 reviews)
Purchase Options
Main differences	Released in 2023 Has Clicky, Tactile, Linear, Silent switch options Available in a 80% layout Built with the ANSI layout standard Connects via USB-C Has built-in sound dampening Uses a Plate Mount mounting style Supports Wired, Wired only, connectivity Made with a Plastic, ABS case Offers Yes, North-face, Rgb, Rgb North-face RGB lighting	Released in 2024 Has Linear, Tactile, Clicky switch options Features a low-profile design Available in a 75% layout Built with the ANSI, ISO, ISO-UK, ISO-DE, ISO-SW, ISO-Nordic layout standard Supports QMK firmware Supports VIA configuration Uses a Top Mount mounting style Supports Bluetooth, Wired, Wireless connectivity Runs at a 1000 Hz polling rate Equipped with a 1550 mAh battery Weighs about 540 g Sized at 19 x 306 x 116 mm Made with a ABS, Aluminum case Offers Yes, Rgb, White, North-face, Rgb North-face, White North-face RGB lighting
Score	Scores Performance: 75.4 Build Quality: 57.7 Productivity: 77.3 Customizability: 79.5 Portability: 57.9	Scores Performance: 82 Build Quality: 81.8 Productivity: 70.1 Customizability: 90 Portability: 74.5
Name	Name Ducky One 3	Name Keychron K3 V3
Release year	Release year 2023	Release year 2024
Switch Options	Switch Options Clicky, Tactile, Linear, Silent	Switch Options Linear, Tactile, Clicky
Profile	Profile Normal Profile	Profile Low Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 80%	Layout Size 75%
Layout Standard	Layout Standard ANSI	Layout Standard ANSI, ISO, ISO-UK, ISO-DE, ISO-SW, ISO-Nordic
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 Wired, Wired only,	Connection Bluetooth, Wired, Wireless
Polling Rate	Polling Rate -	Polling Rate 1000 Hz
Battery capacity	Battery capacity -	Battery capacity 1550 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 Plate Mount	Mount Style Top Mount
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight North-face, Rgb	Backlight Rgb, White, North-face
Case Colors	Case Colors	Case Colors
Case Material	Case Material Plastic, ABS	Case Material ABS, Aluminum
Keycaps Material	Keycaps Material PBT, ABS	Keycaps Material PBT, ABS
Dimensions	Dimensions -	Dimensions 19 x 306 x 116 mm
Weight	Weight -	Weight 540g

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Pros and Trade-offs

Your primary need dictates the choice. If you work at a single desk and value a solid, acoustically-dampened typing feel with premium PBT keycaps, the wired Ducky One 3 is a compelling option. If you need to move between devices, desire a slimmer keyboard for ergonomics or travel, and want deep programmability, the wireless Keychron K3 V3 is the more versatile and modern tool.

Ducky One 3

+Includes thick double-shot PBT keycaps in the OEM profile.
+Features internal sound dampening with a silicone plate dampener and EVA foam case dampener.
+Uses exclusive Kailh yellow hotswap sockets and improved V2 stabilizers.
+Offers a detachable braided USB-C cable and three-level adjustable feet.
+Available with a wide variety of Cherry MX switch types including silent variants.

−Wired-only connectivity limits placement and device switching.
−Lacks support for QMK or VIA firmware for advanced reprogramming.
−Heavier and thicker (627g, 40mm height) than the Keychron alternative.
−The vendor description notes the PCB has north-facing LEDs, which can cause interference with some keycap profiles.

Keychron K3 V3

+Offers dual Bluetooth 5.2 and wired connectivity for multi-device use.
+Features an ultra-slim low-profile design with a height of just 19mm.
+Supports QMK and VIA firmware for extensive key remapping via a web app.
+Built with an aluminum frame and multiple acoustic foams (IXPE, EPDM, latex).
+Includes specific keycap sets for multiple ISO layouts (UK, German, Swiss, Nordic).

−Hot-swap compatibility is limited to specific low-profile mechanical switches only.
−The keycaps included are ABS, not PBT, according to the vendor specs.
−Battery life is dependent on a 1550mAh battery, requiring periodic charging.
−The low-profile keycap and switch ecosystem is more limited than standard MX.

Which Keyboard Is Better for Your Needs?

The Keychron K3 V3 wins in most mobile and tech-focused categories due to its wireless design, low-profile form, and superior programmability. It is the clear choice for travel, office use with multiple devices, and programming. The Ducky One 3, as a wired-only board, finds its strength in stationary setups where its acoustic tuning is a priority. For gaming, the Keychron's specified high polling rate gives it an edge, while content creation is a tie, dependent on preference for layout versus software features.

GamingKeychron K3 V3

•The Keychron K3 V3 lists a 1000 Hz polling rate in wired mode for lower latency.
•Its lighter weight (540g) and smaller 75% layout free up more desk space for mouse movement.
•The Keychron vendor page states its latency is hardly noticeable in competitive games.

OfficeKeychron K3 V3

•Bluetooth connectivity allows easy switching between multiple devices like a laptop, phone, and tablet.
•The low-profile design and 19mm height are less obtrusive on a desk.
•It includes specific keycaps for both macOS and Windows for cross-platform compatibility.

ProgrammingKeychron K3 V3

•Native QMK and VIA support allows for deep key remapping and macro programming.
•The 75% layout retains arrow and navigation keys while saving space.
•The Keychron Launcher web app provides customization without installed software.

TravelKeychron K3 V3

•It is significantly thinner (19mm height) and lighter (540g) than the Ducky One 3.
•Bluetooth 5.2 wireless operation removes the need for a cable on the go.
•The compact 75% layout is more portable than the Ducky's 80% layout.

ModdingKeychron K3 V3

•It supports both QMK and VIA firmware for extensive software customization.
•The hot-swappable PCB works with low-profile mechanical switches.
•The vendor description mentions multiple foam layers (IXPE, EPDM, latex) for acoustic tuning.

Content CreationTie

•Both keyboards are hot-swappable, allowing switch customization for preferred feel.
•Both offer multimedia keys for controlling media playback.
•The Ducky has a larger layout which some may prefer for dedicated macro keys, while the Keychron offers programmable layers via QMK.