the only thing mkfs.xfs does is create a couple of redundant journals. The 1 inode per file is also the reason XFS puts less wear on SSD's, This difference wont make a noticeable impact on the life of a business class SSD, and probably not in a decent consumed grade SSD, but for S...
like Ext4, Btrfs, ZFS, and XFS, and even though each has its unique set of capabilities, the debate mostly comes down to Btrfs vs Ext4 because they’re more commonly used. Both Btrfs and Ext4 have their advantages.