When comparing systemd-boot (Gummiboot) vs Windows Boot Manager, the Slant community recommends systemd-boot (Gummiboot) for most people. In the question“What are the best boot loaders/managers?” systemd-boot (Gummiboot) is ranked 4th while Windows Boot Manager is ranked 5th.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Simple to install and maintain
Pro Very fast
Loads instantly
Pro Default Windows bootloader
Since Windows Vista this has been the default bootloader for any Windows OS. This means that it should work perfectly fine with any Windows installation without the need for further configuration.
Pro Windows safe mode
Can boot up in safe mode.
Pro Includes WinRE
Cons
Con Part of systemd
Just another pointless feature for an init system.
Con Only works on UEFI
systemd-boot can only boot EFISTUB kernels
Con Terrible to debug
Like everything else on systemd, the problem starts if something goes wrong.
Con Only recognizes Windows filesystem
Windows Boot Manager can only recognize Windows-specific file systems.
Con Unreliable
Con No themes
Con Still using Windows 8 theme (Metro)
Even in Windows 11, that should be redesigned glassmorphically (Fluent).