Is the Keychron K3 Ultra wireless?

Yes. The K3 Ultra supports Bluetooth, 2.4 GHz, and wired USB-C connections. Keychron lists up to 550 hours of battery life with the backlight off.

Is the Keychron Q3 wireless?

No. The Q3 is listed as wired-only, with Type-C connectivity. Choose the K3 Ultra if Bluetooth or 2.4 GHz operation is important.

Which keyboard has the higher polling rate, K3 Ultra or Q3?

The K3 Ultra lists 8000 Hz polling in wired and 2.4 GHz modes, while the Q3 lists 1000 Hz. The K3 Ultra's Bluetooth polling rate is listed separately as 125 Hz.

Which is more portable, the Keychron K3 Ultra or Q3?

The K3 Ultra is the more travel-oriented option, with a low-profile 75% layout and listed weight of 566 g ± 10 g. The Q3 weighs 2000 g ± 10 g and requires a wired connection.

Are the Keychron K3 Ultra and Q3 hot-swappable?

Yes, both models list hot-swappable switches. The Q3's vendor description specifies support for 3-pin and 5-pin MX switches, while the K3 Ultra uses low-profile Keychron Milk POM switches.

Do the Keychron K3 Ultra and Q3 support QMK and VIA?

The product metadata lists QMK and VIA support for both keyboards. The K3 Ultra vendor description also discusses ZMK firmware and Keychron Launcher, while the Q3 description identifies QMK and Launcher.

Which keyboard has a knob, the K3 Ultra or Q3?

The Q3 is available in versions with a programmable knob, which Keychron says can control tasks such as zoom, volume, and brush size. A knob is not listed for the K3 Ultra.

What layouts do the Keychron K3 Ultra and Q3 use?

The K3 Ultra is a 75% keyboard, while the Q3 is an 80% TKL model. The Q3 vendor page describes ISO layout options including UK, German, Nordic, Swiss, French, and Spanish.

What are the case materials of the K3 Ultra and Q3?

The K3 Ultra is listed with an aluminum and wood body, and its detailed specifications identify an ABS bottom case. The Q3 has a full CNC-machined aluminum case.

Which keyboard is better for content creation?

The Q3 has a programmable knob option that can be assigned to controls such as video clip selection, zoom, and brush size. The K3 Ultra supports key remapping and macros, but its listed features do not include a knob.

Do the K3 Ultra and Q3 have RGB backlighting?

Yes. The K3 Ultra has north-facing RGB lighting, while the Q3 has south-facing RGB. The Q3 vendor description says its south-facing lighting is designed to illuminate from the typist's angle.

Which keyboard has PBT keycaps?

The K3 Ultra is listed with low-profile double-shot PBT keycaps. The Q3's described ISO version uses OSA-profile ABS shine-through keycaps.

Compare Keychron K3 Ultra vs Q3 Differences Side by Side

This comparison is for buyers deciding between a slim wireless 75% keyboard and a heavier wired TKL. The K3 Ultra supports Bluetooth, 2.4 GHz and wired connections, and its listed polling rate is 8000 Hz. The Q3 trades wireless flexibility for a full CNC-machined aluminum case, gasket mounting, and a programmable knob on applicable versions. Both offer hot-swappable switches and QMK/VIA support, so layout, connection needs, and build preference matter most.

Model
	84	97	Select a keyboard to compare
Rating	2.8 stars (6 reviews)	4.7 stars (321 reviews)
Purchase Options
Main differences	Released in 2026 Has Linear, Tactile, Clicky switch options Features a low-profile design Available in a 75% layout Built with the ANSI, ISO layout standard Uses a Plate Mount mounting style Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity Runs at a 8000 Hz polling rate Equipped with a 2600 mAh battery Made with a ABS, Wood case Features PBT keycaps Offers Yes, Rgb, White, North-face, Rgb North-face, White North-face RGB lighting	Released in 2022 Has Linear, Tactile, Clicky, Silent switch options Available in a 80% layout Built with the ANSI, ISO, JIS, ISO-DE, ISO-ES, ISO-FR, ISO-SW, ISO-UK layout standard Comes with a knob Provides dedicated media keys Includes screw-in stabilizers Uses a Gasket Mount mounting style Supports Wired, Wired only connectivity Runs at a 1000 Hz polling rate Weighs about 2000 g Sized at 20 x 137 x 365 mm Made with a Aluminum case Features PBT, ABS keycaps Offers Yes, Rgb, South-face, Rgb South-face RGB lighting
Score	Scores Performance: 86 Build Quality: 75.8 Productivity: 88.5 Customizability: 86.1 Portability: 81.9	Scores Performance: 72 Build Quality: 90.9 Productivity: 97.5 Customizability: 98.1 Portability: 57.2
Name	Name Keychron K3 Ultra	Name Keychron Q3
Release year	Release year 2026	Release year 2022
Switch Options	Switch Options Linear, Tactile, Clicky	Switch Options Linear, Tactile, Clicky, Silent
Profile	Profile Low Profile	Profile Normal Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 75%	Layout Size 80%
Layout Standard	Layout Standard ANSI, ISO	Layout Standard ANSI, ISO, JIS, ISO-DE, ISO-ES, ISO-FR, ISO-SW, ISO-UK
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 Wired, Wired only
Polling Rate	Polling Rate 8000 Hz	Polling Rate 1000 Hz
Battery capacity	Battery capacity 2600 mAh	Battery capacity -
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 Gasket Mount
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight Rgb, White, North-face	Backlight Rgb, South-face
Case Colors	Case Colors	Case Colors
Case Material	Case Material ABS, Wood	Case Material Aluminum
Keycaps Material	Keycaps Material PBT	Keycaps Material PBT, ABS
Dimensions	Dimensions -	Dimensions 20 x 137 x 365 mm
Weight	Weight -	Weight 2000g

*Something incorrect or missing? Please

let me know

!

Pros and Trade-offs

Choose the K3 Ultra if wireless connectivity, a low-profile 75% layout, and its listed 8000 Hz polling rate are your priorities. Choose the Q3 if you want a wired TKL with a full aluminum case, broader MX switch compatibility, and a programmable knob option. Both support hot-swapping and QMK/VIA, so the deciding trade-off is portability and connection flexibility versus a heavier, more customizable desk build.

Keychron K3 Ultra

+Bluetooth, 2.4 GHz, and wired connectivity.
+8000 Hz polling rate in wired and 2.4 GHz modes.
+Low-profile 75% layout with a listed weight of 566 g ± 10 g.
+Hot-swappable Keychron Milk POM switches and QMK/VIA support.
+Double-shot PBT keycaps and IXPE and EPDM acoustic foam are described by Keychron.

−The listed 2600 mAh battery is smaller than the Q3's wired-only design requires, but the K3 Ultra still needs charging for wireless use.
−The low-profile Keychron Milk POM switch format differs from the Q3's 3-pin and 5-pin MX switch support.
−Its vendor page includes customer reports of missed or repeated keypresses, so buyers may want to review current feedback.

Keychron Q3

+Full CNC-machined aluminum case with a steel plate and gasket-mount construction.
+Hot-swappable sockets support 3-pin and 5-pin MX switches.
+QMK/VIA support, screw-in PCB stabilizers, and an available programmable knob version.
+80% TKL layout with multi-media keys.
+South-facing RGB lighting and ABS shine-through keycaps on the described ISO version.

−Wired-only connectivity limits use away from a desk or cable.
−At 2000 g ± 10 g, it is substantially heavier than the K3 Ultra.
−Its listed 1000 Hz polling rate is lower than the K3 Ultra's 8000 Hz figure.
−The included ABS keycaps on the described ISO version may be less appealing to buyers seeking PBT keycaps.

Which Keyboard Is Better for Your Needs?

The K3 Ultra has the clearer fit for gaming that prioritizes its listed polling rate, and for travel where wireless operation and lower weight matter. The Q3 suits desk use, content workflows, and hands-on customization, especially when its knob and full aluminum construction appeal. Programming is a close call because both support hot-swapping and QMK/VIA, with different layouts and connection options. Pick based on whether a slim wireless board or a heavier wired TKL better matches your setup.

GamingKeychron K3 Ultra

•The K3 Ultra lists an 8000 Hz polling rate, compared with 1000 Hz for the Q3.
•It supports both wired and 2.4 GHz connections at 8000 Hz, according to its product details.
•The Q3 is wired-only, while the K3 Ultra also offers Bluetooth.

OfficeKeychron Q3

•The Q3 includes a programmable knob and multi-media keys for desk-based controls.
•Its 80% TKL layout and screw-in stabilizers provide practical features for a stationary setup.
•The K3 Ultra offers wireless connectivity and a low-profile design if desk flexibility is the priority.

ProgrammingTie

•Both keyboards are hot-swappable and list QMK and VIA support.
•The K3 Ultra adds Bluetooth and 2.4 GHz, while the Q3 has a programmable knob and a full aluminum case.
•The K3 Ultra uses a 75% layout; the Q3 uses an 80% TKL layout.

TravelKeychron K3 Ultra

•The K3 Ultra is a low-profile 75% keyboard weighing 566 g ± 10 g.
•It can connect over Bluetooth or 2.4 GHz without a wired connection.
•The Q3 weighs 2000 g ± 10 g and is wired-only.

ModdingKeychron Q3

•The Q3 supports hot-swappable 3-pin and 5-pin MX switches.
•Its product description specifies a fully customizable assembly, gasket mounting, and screw-in PCB stabilizers.
•The K3 Ultra is also hot-swappable and customizable, but its low-profile design uses Keychron Milk POM switches.

Content CreationKeychron Q3

•The Q3's programmable knob can be assigned to controls such as zoom, volume, brush size, and video clips.
•It also has multi-media keys and QMK/VIA support.
•The K3 Ultra offers key remapping and macros through ZMK and Keychron Launcher, but no knob is listed.