What is the main difference between the Keychron K1 V6 and K3 Ultra?

The K1 V6 has an 80% layout and QMK firmware, while the K3 Ultra has a 75% layout and ZMK firmware. The K3 Ultra also adds 2.4 GHz connectivity and lists up to 550 hours of battery life with backlighting off.

Does the Keychron K3 Ultra have 2.4 GHz wireless?

Yes, the K3 Ultra supports 2.4 GHz, Bluetooth, and wired connections. Its vendor specifications list 8000 Hz polling for 2.4 GHz and wired modes.

Does the Keychron K1 V6 support 2.4 GHz?

The K1 V6 lists Bluetooth and wired connectivity, but not 2.4 GHz. Its listed polling rate is 1000 Hz in wired mode.

Which keyboard has longer battery life, the K1 V6 or K3 Ultra?

The K3 Ultra lists up to 550 hours with backlighting off, from a 2600 mAh battery. The K1 V6 has a 2000 mAh battery, and Keychron's vendor description states up to 160 hours.

Are the Keychron K1 V6 and K3 Ultra hot-swappable?

Both product listings include hot-swappable switches. The K1 V6 vendor notes that hot-swapping is limited to the hot-swappable version and compatible low-profile mechanical switches.

What firmware do the K1 V6 and K3 Ultra use?

The K1 V6 uses QMK firmware, while the K3 Ultra uses ZMK. Both vendor descriptions say Keychron Launcher can be used for key remapping and macros.

Which Keychron keyboard has the smaller layout?

The K3 Ultra uses a 75% layout, compared with the K1 V6's 80% layout. The K3 Ultra's listed dimensions are 320.62 x 126 mm; the K1 V6 is listed as 346 x 119 mm.

Do the K1 V6 and K3 Ultra have shine-through keycaps?

The K1 V6 uses shine-through ABS keycaps, so its backlighting can shine through the legends. The K3 Ultra has non-shine-through double-shot PBT keycaps.

Which keyboard has dedicated multimedia keys?

The K1 V6 lists multimedia keys, including 12 multimedia keys in Keychron's vendor specifications. The K3 Ultra's listed features do not include dedicated multimedia keys.

What materials are used in the Keychron K3 Ultra?

The K3 Ultra lists an aluminum-and-wood body, an anodized aluminum alloy plate, and double-shot PBT keycaps. Its vendor description also names IXPE and EPDM acoustic foam.

Do the Keychron K1 V6 and K3 Ultra support Mac and Windows?

Both product listings include Mac and Windows support, and both vendor descriptions also mention Linux. Keychron says the K3 Ultra includes Mac and Windows keycaps.

Are there reliability concerns with the Keychron K3 Ultra?

Some K3 Ultra customer reviews report missed or duplicated keypresses, while other reviewers describe satisfactory everyday use. These are individual experiences, so consider the review feedback if consistent key registration is a priority.

Compare Keychron K1 V6 vs K3 Ultra Differences Side by Side

This comparison suits buyers choosing between two low-profile, hot-swappable Keychron keyboards with RGB lighting and wireless options. The K1 V6 has an 80% layout, while the K3 Ultra uses a more compact 75% layout and adds 2.4 GHz connectivity. The K3 Ultra also lists a 550-hour battery life with backlighting off, compared with the K1 V6's stated maximum of 160 hours. Both offer key remapping through Keychron Launcher, but use different firmware, QMK on the K1 V6 and ZMK on the K3 Ultra.

Model
	84	84	Select a keyboard to compare
Rating	5.0 stars (2 reviews)	2.8 stars (6 reviews)
Purchase Options
Main differences	Released in 2024 Available in a 80% layout Built with the ISO, ISO-UK, ISO-DE, ISO-SW, ISO-Nordic, ANSI layout standard Provides dedicated media keys Features N-key rollover Uses a Top Mount mounting style Supports Bluetooth, Wired, Wireless connectivity Runs at a 1000 Hz polling rate Equipped with a 2000 mAh battery Weighs about 596 g Sized at 25 x 346 x 119 mm Made with a ABS, Aluminum case Features ABS keycaps Offers Yes, Rgb, North-face, Rgb North-face, White RGB lighting	Released in 2026 Available in a 75% layout Built with the ANSI, ISO layout standard Has built-in sound dampening 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
Score	Scores Performance: 81.6 Build Quality: 78.5 Productivity: 80.1 Customizability: 88.4 Portability: 72.8	Scores Performance: 86 Build Quality: 75.8 Productivity: 88.5 Customizability: 86.1 Portability: 81.9
Name	Name Keychron K1 V6	Name Keychron K3 Ultra
Release year	Release year 2024	Release year 2026
Switch Options	Switch Options Linear, Tactile, Clicky	Switch Options Linear, Tactile, Clicky
Profile	Profile Low Profile	Profile Low Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 80%	Layout Size 75%
Layout Standard	Layout Standard ISO, ISO-UK, ISO-DE, ISO-SW, ISO-Nordic, ANSI	Layout Standard ANSI, ISO
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, Wired, Wireless	Connection Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate	Polling Rate 1000 Hz	Polling Rate 8000 Hz
Battery capacity	Battery capacity 2000 mAh	Battery capacity 2600 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 Top Mount	Mount Style Plate Mount
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight Rgb, North-face, White	Backlight Rgb, White, North-face
Case Colors	Case Colors	Case Colors
Case Material	Case Material ABS, Aluminum	Case Material ABS, Wood
Keycaps Material	Keycaps Material ABS	Keycaps Material PBT
Dimensions	Dimensions 25 x 346 x 119 mm	Dimensions -
Weight	Weight 596g	Weight -

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Pros and Trade-offs

Choose the K1 V6 if you want an 80% layout, QMK, multimedia keys, and shine-through keycaps. Choose the K3 Ultra if a 75% footprint, 2.4 GHz connectivity, higher stated polling in wired and 2.4 GHz modes, or its longer stated battery life matters more. The K3 Ultra's review feedback includes key-registration complaints, so weigh those reports alongside its connectivity and battery advantages.

Keychron K1 V6

+80% layout with dedicated multimedia keys.
+QMK firmware and Keychron Launcher support key remapping and macros.
+Hot-swappable version is available, and the keyboard lists N-key rollover in wired and wireless modes.
+ABS and aluminum case with an aluminum plate.
+RGB or white backlight options and shine-through ABS keycaps.

−Bluetooth and wired connectivity only, without the K3 Ultra's listed 2.4 GHz option.
−Its listed 2000 mAh battery and vendor-stated maximum of 160 hours are below the K3 Ultra's battery figures.
−ABS keycaps are specified, rather than the K3 Ultra's double-shot PBT keycaps.

Keychron K3 Ultra

+Compact 75% layout with Bluetooth, 2.4 GHz, and wired connectivity.
+8000 Hz polling is listed for wired and 2.4 GHz modes.
+2600 mAh battery with up to 550 hours listed with backlighting off.
+Double-shot PBT keycaps and an aluminum-and-wood body.
+IXPE and EPDM acoustic foam, with hot-swappable switches and ZMK firmware.

−Its 75% layout is smaller than the K1 V6's 80% layout and does not list dedicated multimedia keys.
−PBT keycaps are non-shine-through, unlike the K1 V6's shine-through ABS keycaps.
−Customer reviews include reports of missed or duplicated keypresses, so buyers may want to review the feedback before purchasing.

Which Keyboard Is Better for Your Needs?

The K3 Ultra has the edge for gaming on paper, with higher stated polling in wired and 2.4 GHz modes, and for travel, thanks to its smaller footprint and longer listed battery life. The K1 V6 is a more natural fit when an 80% layout, QMK, or dedicated multimedia keys matter. Office and modding needs are more evenly matched, since both are hot-swappable and configurable, but their layout, firmware, and acoustic details differ. For content creation, the K1 V6's larger layout and multimedia keys make it a sensible pick.

GamingKeychron K3 Ultra

•The K3 Ultra supports 8000 Hz polling in wired and 2.4 GHz modes; the K1 V6 lists 1000 Hz wired polling.
•The K3 Ultra adds 2.4 GHz wireless, while the K1 V6 offers Bluetooth and wired connectivity.

OfficeTie

•Both use low-profile designs, support wireless and wired connections, and offer hot-swappable switches.
•The K1 V6 has an 80% layout and multimedia keys, while the K3 Ultra has a smaller 75% layout and sound-dampening foam.

ProgrammingKeychron K1 V6

•The K1 V6 uses QMK firmware and Keychron Launcher for key remapping and macros.
•Its 80% layout includes a larger keyboard footprint than the K3 Ultra's 75% layout.

TravelKeychron K3 Ultra

•The K3 Ultra measures 320.62 x 126 mm, compared with the K1 V6's listed 346 x 119 mm.
•The K3 Ultra weighs 566 g ± 10 g, close to the K1 V6's 596 g, and lists up to 550 hours of battery life with backlight off.

ModdingTie

•Both keyboards are hot-swappable and support firmware-based remapping through Keychron Launcher.
•The K1 V6 offers QMK and an aluminum plate; the K3 Ultra uses ZMK and lists customizable components.

Content CreationKeychron K1 V6

•The K1 V6 includes multimedia keys and an 80% layout.
•Its vendor description specifies QMK key remapping and macro creation through Keychron Launcher.