Keychron K1 Max vs K15 MaxTKL vs Alice Low Profile

The most important difference is layout. The K1 Max uses an 80% TKL layout with 87 keys, while the K15 Max uses a 75% Alice split layout with 90 keys. Both are low-profile wireless boards with QMK firmware, 2.4 GHz, Bluetooth and hot-swap options.

User reviews describe the K15 Max as comfortable for all-day use and say the Alice layout encourages touch-typing discipline. The low-profile Gateron switches and IXPE acoustic foam with latex foam are listed by the manufacturer for a quiet, supportive typing feel. Comfort is personal, so try the split layout if you can.

The metadata lists a 4000mAh battery for the K1 Max and 2000mAh for the K15 Max. The K15 Max vendor page states up to 95 hours of use with its 2000mAh battery. The K1 Max figure is larger, though actual runtime depends on backlight and connection mode.

Both boards offer hot-swappable options, but the manufacturer notes this applies to the RGB Backlight Hot-Swappable version only. They are compatible with Gateron and Keychron low-profile mechanical switches, and QMK does not support low-profile optical switches. You can swap switches without soldering on that version.

The K1 Max weighs 608g, while the K15 Max weighs 700g according to the metadata. The K1 Max is also smaller at 346 x 119mm versus 370 x 143mm for the K15 Max. Both offer Bluetooth, 2.4 GHz and wired connections for portable setups.

The metadata lists QMK and VIA support for both boards. The Keychron vendor pages describe QMK firmware and the Keychron Launcher web app for key remapping and macros. The Launcher requires a Chromium-based browser and a wired connection per the manufacturer.

A user review says the Alice layout takes some getting used to and enforces good touch-typing discipline. Another reviewer found the layout slower than a traditional split ergonomic design for heavy spreadsheet work. If you rely on muscle memory for a standard layout, the K1 Max will feel more familiar.

The K1 Max metadata lists PCB mount and plate mount styles with ABS, aluminum and plastic case materials. The K15 Max lists PCB mount only with ABS and aluminum case materials. The K1 Max also lists PBT and ABS keycap options, while the K15 Max lists PBT only.

Yes, several user reviews on the Keychron product page report double key presses or missed key-up events, mostly in 2.4 GHz wireless mode. One reviewer says the issue persists after updating receiver firmware and moving the receiver. If you plan to use 2.4 GHz heavily, factor in that feedback.

Both boards list Mac and Windows support with a Mac layout and multimedia keys. The vendor pages say the Keychron Launcher web app works with macOS, Windows and Linux for remapping. Keycaps for both operating systems are included according to the manufacturer.

A power Excel user review of the K15 Max says the Alice layout was slower than a traditional ergonomic design and that Home, End, Pg Up and Pg Down are not all within reach. The K1 Max uses a conventional TKL layout, which may suit heavy spreadsheet navigation better. Consider remapping through QMK if you choose the K15 Max.

The vendor pages do not list box contents in the supplied text, so check the product listing for details. Both pages reference included keycaps for Windows and macOS and a keycap puller in a user review. Confirm accessories like cables and receivers on the Keychron store page before buying.