What is the main difference between the Keychron C2 Pro and V6 Ultra?

The C2 Pro is wired-only and lists QMK and VIA support. The V6 Ultra adds Bluetooth and 2.4 GHz wireless, a 4000mAh battery, and a knob.

Is the Keychron V6 Ultra wireless?

Yes. Keychron lists Bluetooth and 2.4 GHz wireless, as well as USB-C wired connectivity for the V6 Ultra. Its battery is rated for up to 660 hours with the backlight off.

Does the Keychron C2 Pro have Bluetooth?

No Bluetooth connection is listed for the C2 Pro, which is specified as wired-only. It uses a USB-C connection.

Which keyboard has 8000 Hz polling?

Both the C2 Pro and V6 Ultra list an 8000 Hz polling rate. Keychron specifies that the V6 Ultra supports 8000 Hz over wired and 2.4 GHz connections.

Do the Keychron C2 Pro and V6 Ultra support hot-swapping?

Yes, both are listed as hot-swappable. Keychron says both support 3-pin and 5-pin MX-style switches without soldering.

Does the Keychron V6 Ultra have a knob?

Yes, the V6 Ultra is sold as a fully assembled knob version, and its features include multimedia keys. The C2 Pro does not list a knob.

Which keyboard has QMK or VIA support?

The C2 Pro lists both QMK and VIA support, and Keychron describes using Launcher for key remapping and macros. The V6 Ultra is described as using ZMK with Keychron Launcher.

What are the mount and plate differences?

The C2 Pro uses a tray mount and plastic plate. The V6 Ultra uses a gasket mount and polycarbonate plate, which Keychron describes as reducing acoustic resonance and providing a softer typing experience.

Which keyboard is lighter, the C2 Pro or V6 Ultra?

The C2 Pro is listed at 975g, while the V6 Ultra is listed at 1130g. Both are 100% full-size keyboards.

Do the Keychron C2 Pro and V6 Ultra have RGB lighting?

Both list south-facing RGB lighting and PBT keycaps. Keychron additionally describes per-key RGB and Mix RGB controls for the V6 Ultra.

Which keyboard is better for programming?

The C2 Pro is a strong fit if QMK and VIA support are priorities, and its full-size layout includes a number pad. The V6 Ultra also offers key remapping and macros through Launcher, using ZMK firmware.

Are the Keychron C2 Pro and V6 Ultra full-size keyboards?

Yes, both are listed as 100% full-size keyboards. Their layouts include a number pad, and the V6 Ultra also has a knob.

Compare Keychron C2 Pro vs V6 Ultra Differences Side by Side

This comparison suits buyers who want a full-size Keychron with hot-swappable switches, RGB, and sound-dampening features. The C2 Pro is wired-only and supports QMK and VIA, while the V6 Ultra adds Bluetooth, 2.4 GHz wireless, and a 4000mAh battery. Both list an 8000 Hz polling rate, PBT keycaps, and screw-in stabilizers, so the main choice is connectivity and customization approach. The V6 Ultra also adds a knob and gasket mount, while the C2 Pro is lighter and has a lower listed price range.

Model
	91	84	Select a keyboard to compare
Rating	4.8 stars (13 reviews)	5.0 stars (6 reviews)
Purchase Options
Main differences	Released in 2023 Built with the ISO-DE, ISO-ES, ISO-FR, ISO, ANSI layout standard Supports QMK firmware Supports VIA configuration Uses a Tray Mount mounting style Supports Wired, Wired only connectivity Weighs about 975 g Sized at 28 x 130 x 436 mm Made with a Plastic, ABS case Offers Yes, Rgb, South-face, Rgb South-face, White, White South-face RGB lighting	Released in 2026 Built with the ISO, JIS, ISO-DE, ISO-ES, ISO-FR, ISO-UK, ANSI layout standard Comes with a knob Provides dedicated media keys Uses a Gasket Mount mounting style Supports Wired, Wired only, Bluetooth, 2.4 GHz, Wireless connectivity Equipped with a 4000 mAh battery Weighs about 1130 g Sized at 31 x 448 x 149 mm Made with a Plastic, ABS, Aluminum, Metal case Offers Yes, Rgb, White, South-face, Rgb South-face, White South-face RGB lighting
Score	Scores Performance: 90 Build Quality: 81.4 Productivity: 94.4 Customizability: 87.9 Portability: 44.8	Scores Performance: 89 Build Quality: 77.4 Productivity: 90.7 Customizability: 78.4 Portability: 55.9
Name	Name Keychron C2 Pro	Name Keychron V6 Ultra
Release year	Release year 2023	Release year 2026
Switch Options	Switch Options Tactile, Linear, Clicky	Switch Options Tactile, Linear, Clicky
Profile	Profile Normal Profile	Profile Normal Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 100%	Layout Size 100%
Layout Standard	Layout Standard ISO-DE, ISO-ES, ISO-FR, ISO, ANSI	Layout Standard ISO, JIS, ISO-DE, ISO-ES, ISO-FR, ISO-UK, 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 Wired, Wired only	Connection Wired, Wired only, Bluetooth, 2.4 GHz, Wireless
Polling Rate	Polling Rate 8000 Hz;1000 Hz	Polling Rate 8000 Hz
Battery capacity	Battery capacity -	Battery capacity 4000 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 Tray Mount	Mount Style Gasket Mount
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight Rgb, South-face, White, White South-face	Backlight Rgb, White, South-face, White South-face
Case Colors	Case Colors	Case Colors
Case Material	Case Material Plastic, ABS	Case Material Plastic, ABS, Aluminum, Metal
Keycaps Material	Keycaps Material PBT	Keycaps Material PBT
Dimensions	Dimensions 28 x 130 x 436 mm	Dimensions 31 x 448 x 149 mm
Weight	Weight 975g	Weight 1130g

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Pros and Trade-offs

Pick the C2 Pro if wired use is fine and QMK or VIA support is your priority. Choose the V6 Ultra if you want Bluetooth or 2.4 GHz wireless, a knob, and a battery-powered setup, while accepting its higher listed price range and greater weight. Both retain a full-size layout, hot-swap support, and an 8000 Hz polling rate.

Keychron C2 Pro

+QMK and VIA support are listed, with Keychron Launcher also described for remapping and macros.
+Hot-swappable switches, with vendor confirmation of 3-pin and 5-pin switch support.
+100% layout with PBT keycaps and south-facing RGB.
+8000 Hz polling rate and N-key rollover.
+Lighter than the V6 Ultra at 975g.

−Wired-only connectivity, with no Bluetooth or 2.4 GHz option.
−Tray mount and plastic plate, rather than the V6 Ultra's gasket mount and polycarbonate plate.
−No knob or multimedia keys are listed.

Keychron V6 Ultra

+Supports wired, 2.4 GHz, and Bluetooth connections, with a 4000mAh battery.
+8000 Hz polling is listed for wired and 2.4 GHz modes.
+Gasket mount and polycarbonate plate, with vendor-described sound-absorbing foam, EPDM foam, and bottom-case acoustic foam.
+Includes a knob and multimedia keys, plus vendor-described per-key RGB and Mix RGB controls.
+Hot-swappable switches, with vendor confirmation of 3-pin and 5-pin MX-style switch support.

−Heavier than the C2 Pro at 1130g, despite offering wireless connectivity.
−The listed layout is full-size, so it is not a compact travel option.
−The C2 Pro lists QMK and VIA support, while the V6 Ultra uses ZMK.

Which Keyboard Is Better for Your Needs?

The V6 Ultra has the edge for users who want wireless freedom, an integrated knob, or extra RGB controls. The C2 Pro is the more focused pick for buyers who value QMK and VIA support and prefer a wired full-size board. Both are hot-swappable and offer full-size layouts, so either can suit everyday typing and gaming. Neither is especially compact, and the V6 Ultra is the heavier option.

GamingKeychron V6 Ultra

•The V6 Ultra supports 8000 Hz polling over both wired and 2.4 GHz connections.
•The C2 Pro lists 8000 Hz polling but is wired-only.
•Both models have N-key rollover and hot-swappable switches.

OfficeKeychron V6 Ultra

•The V6 Ultra can connect through Bluetooth, 2.4 GHz, or USB-C wired mode.
•Its 4000mAh battery supports wireless use, with the vendor listing up to 660 hours with backlighting off.
•The V6 Ultra has a knob and multimedia keys, while both offer a 100% layout.

ProgrammingKeychron C2 Pro

•The C2 Pro lists QMK and VIA support, plus vendor-described key remapping and macros through Keychron Launcher.
•Its 100% layout includes a number pad.
•The V6 Ultra offers ZMK and Keychron Launcher, but QMK and VIA support are listed for the C2 Pro.

TravelKeychron V6 Ultra

•The V6 Ultra supports Bluetooth and 2.4 GHz wireless, avoiding a wired connection when used wirelessly.
•Its 4000mAh battery is listed for up to 660 hours with backlighting off.
•Both are full-size keyboards, and the V6 Ultra weighs 1130g compared with the C2 Pro at 975g.

ModdingKeychron C2 Pro

•Both keyboards are hot-swappable, and the C2 Pro supports 3-pin and 5-pin switches according to Keychron.
•The C2 Pro lists QMK and VIA support, while the V6 Ultra uses ZMK.
•The C2 Pro has a plastic plate and tray mount; the V6 Ultra has a polycarbonate plate and gasket mount.

Content CreationKeychron V6 Ultra