Keychron C1 vs K4 ProWired TKL or Wireless 96%?

No, the Keychron C1 is wired only. Keychron's product page states that the C1 supports wired mode only, using a USB Type-C connection. If you need wireless, the Keychron K4 Pro offers Bluetooth 5.1 and connects to up to 3 devices.

Yes, Keychron lists QMK firmware and VIA support for the K4 Pro, with remapping and macros handled through the Keychron Launcher web app. Keychron notes that the Launcher should be used in the latest Chrome, Opera or Edge browser with the keyboard connected in wired mode. The C1 does not list QMK or VIA support.

The K4 Pro is the stronger office pick because its 96% layout includes a number pad for data entry. It also adds Bluetooth for switching between up to 3 devices, double-shot PBT keycaps, and a sound-absorbing foam layer with a silicone dampening pad. The C1 remains usable for office work but has no number pad and is wired only.

Hot-swap is available on the C1 only in specific versions. Keychron lists hot-swappable options for the Keychron Mechanical and Gateron G Pro Mechanical switch types, and those sockets accept most MX-style 3-pin and 5-pin switches. The non-hot-swap versions do not include a switch puller.

The K4 Pro weighs about 1280 g, while the C1 weighs about 685 g. That makes the C1 noticeably lighter and easier to move between desks or pack for travel. The K4 Pro's extra weight comes with a larger 96% layout that includes a number pad.

The K4 Pro ships with double-shot PBT keycaps in Keychron's OSA profile, which the vendor describes as an OEM profile with a spherical angle. PBT is chosen for oil resistance over long-term use. The C1 uses double-shot ABS on backlit versions and ABS on the non-backlit version.

The C1 is sold in non-backlight, white backlight and RGB backlight versions. Keychron lists 18 backlight types on backlit models with adjustable 4-level brightness. The non-backlight retro color version has no lighting.

Yes, the K4 Pro includes keycaps for both Windows and macOS and is listed as compatible with macOS, Windows and Linux. Bluetooth lets you pair it with multiple devices and switch between them, which suits mixed Mac and PC setups. The C1 also supports macOS and Windows but requires a wired USB-C connection.

Both list a 1000 Hz polling rate, but the K4 Pro adds N-key rollover for wireless and wired modes plus a steel plate and sound-dampening foam. The C1 is wired only and its listing does not claim N-key rollover. Neither board lists a dedicated gaming mode or console compatibility.

Yes, Keychron offers the K4 Pro in a barebone version without switches and keycaps, alongside fully assembled hot-swappable versions in black or white. The barebone option lets you choose your own switches and keycaps. The C1 is sold as a pre-built keyboard only.

The K4 Pro has a 4000 mAh battery, according to Keychron's specifications. Battery life figures are not listed, so runtime depends on backlight use and connection mode. The C1 has no battery because it is wired only.

The C1 is easier to carry because it weighs about 685 g and measures 357 x 130 mm, compared with the K4 Pro at about 1280 g and 391 x 139 mm. The C1 is also wired only, so there is no battery to manage. The K4 Pro's size and weight make it better suited to staying on a desk.