Keychron Q13 Max vs Q13 Ultra

The Q13 Max focuses on deep customization with QMK and VIA firmware support, while the Q13 Ultra emphasizes performance with an 8000 Hz polling rate and a longer battery life of up to 660 hours. Both share a similar 96% Alice layout and aluminum build.

The Keychron Q13 Ultra has a superior polling rate of 8000 Hz in both wired and 2.4 GHz modes. The Q13 Max has a standard 1000 Hz polling rate. For competitive gaming, the Q13 Ultra offers noticeably lower input lag.

Yes, both keyboards use Cherry MX-style stems and are hot-swappable, meaning you can easily replace keycaps and switches. The Q13 Max is also available as a barebone kit without keycaps or switches, while the Q13 Ultra is only sold as a fully assembled version.

The Keychron Q13 Max is generally preferred for programming because of its QMK and VIA firmware support. This allows you to remap keys, create macros, and customize layers directly on the keyboard to optimize your workflow.

The Q13 Ultra offers significantly longer battery life, with up to 660 hours of use with the backlight off. The Q13 Max lasts up to 300 hours with the backlight off. With RGB at the lowest brightness, the Q13 Ultra lasts up to 200 hours, while the Q13 Max lasts up to 100 hours.

Yes, both the Keychron Q13 Max and Q13 Ultra support 2.4 GHz, Bluetooth, and wired USB-C connections. The Q13 Max uses Bluetooth 5.1, while the Q13 Ultra uses Bluetooth 5.3. Both can connect to up to three devices via Bluetooth.

Both keyboards use screw-in PCB stabilizers. The Q13 Ultra’s stabilizers have reinforced sidewalls around the stem for added stability on larger keys like the spacebar and shift keys.

Both keyboards come with KSA (Keychron Spherical-Angle) profile double-shot PBT keycaps. These are non-shine-through keycaps made from oil-resistant, durable PBT plastic. Both sets also include additional keycaps for both Mac and Windows layouts.

Both keyboards include multiple layers of acoustic foam: Sound Absorbing Foam, IXPE Foam, PET Film, Latex Bottom Pad, Bottom Case Acoustic Foam, and Bottom Case PET Film. The foam layers are identical according to Keychron's specifications.

The Q13 Ultra is slightly heavier, weighing 2440g (plus or minus 10g), compared to the Q13 Max at 2405g (plus or minus 10g). The difference is minimal, and both are considered very heavy due to their full aluminum construction.

Yes, both keyboards feature a system toggle switch and come with additional keycaps for both macOS and Windows. Each keyboard can save two different layouts, one for each operating system, which can be switched easily.

The Keychron Q13 Max uses QMK firmware and supports the Keychron Launcher web app, which offers extensive keymap and macro control. The Q13 Ultra uses ZMK firmware and also supports the Keychron Launcher, but ZMK is typically less flexible for advanced users than QMK.