Keychron K3 Max SE vs K4 MaxSize vs Full Layout

The Keychron K4 Max has a significantly larger 4000mAh battery, which can last longer on a single charge. The Keychron K3 Max SE has a 1550mAh battery, which is smaller but still adequate for a day's work, though you may need to charge it more frequently.

Yes, both keyboards are hot-swappable, allowing you to change switches without soldering. The K3 Max SE uses low-profile Keychron Milk POM switches, while the K4 Max supports standard 3-pin and 5-pin MX-style switches, giving the K4 Max broader compatibility with aftermarket options.

Both keyboards offer a 1000 Hz polling rate in 2.4 GHz and wired modes, resulting in low latency suitable for competitive gaming. There is no stated difference in performance between the two for gaming purposes based on the provided data.

The Keychron K4 Max features a 96% layout that includes a dedicated numpad. The Keychron K3 Max SE has a 75% layout and does not include a numpad, making it more compact but less suited for heavy number entry.

Yes, both keyboards use double-shot PBT keycaps, which are known for their durability and resistance to shine and oil. The K3 Max SE uses LSA profile keycaps, while the K4 Max uses OSA profile keycaps, but both are PBT material.

The Keychron K3 Max SE is much lighter at 566 grams compared to the K4 Max at 1290 grams. Its compact low-profile design also makes it easier to fit into a bag, making it the preferred choice for travel.

Yes, both the Keychron K3 Max SE and K4 Max support QMK firmware and VIA software, allowing for extensive key remapping and macro programming via the Keychron Launcher web app. This provides a high degree of customizability for both models.

The Keychron K4 Max is stated to have upgraded screw-in stabilizers with reinforced sidewalls for improved stability on larger keys. The K3 Max SE uses plate-mounted stabilizers, which are adequate but generally less stable than screw-in designs.

Yes, both keyboards are stated to support both macOS and Windows. The K3 Max SE includes a Mac layout with multimedia and function keys, and both come with a system toggle and additional keycaps for cross-platform use.

The K3 Max SE has north-facing RGB with per-key and mix RGB customization. The K4 Max has south-facing RGB, which is better for compatibility with Cherry-profile keycaps and provides consistent lighting from the typist's angle. Both offer over 22 RGB backlight settings.

The provided data does not specify a typing angle for the K3 Max SE, only that its feet height is 1.3mm. The K4 Max is stated to have a typing angle of 3 degrees, with some descriptions mentioning three levels of adjustable angles.

Both keyboards include sound dampening. The K3 Max SE features EPDM acoustic foam and bottom case acoustic foam. The K4 Max includes multiple layers such as IXPE foam, PET film, and EPDM foam for a superior, quieter typing experience.