@SpaceCat while K-1 was faster than CR-1 in 2024 (when you only measure time to enter the US, not time to GC), nobody can guarantee it will remain the same in 2025.
Here's an example of people hoping their K-1 were approved faster, but USCIS decided to "skip" batch of cases:
Of course, this can happen to CR-1 too. All I'm saying, you can never know for sure how long case will take and whether K-1 will be faster than CR-1.