It appears with the new SMBIOS Version of 3.0 that Dell have substantially updated the user interface of their UEFI BIOS Setup akin to Settings in Windows 10. Here is my new XPS 9365 vs an older OptiPlex 7010.
More details are here UEFI BIOS Setup – SMBIOS 3.0.
[F12] Boot Menu New:
[F2] UEFI BIOS Setup New:
[F12] Boot Menu Old:
[F2] UEFI BIOS Setup Old: