Macbook Pro 14 is really fast, it's true. However, if your window desktop is too slow, so your desktop is too outdated.
+ The windows desktop uses HDD or SDD, what's the disk speed, how much is the difference compared to the NVME SSD on macbook
+ What's CPU on windows ? if it belongs to Intel, and is the 10th generation or earlier, sorry that's bad choice.
+ How's about the memory between two devices ?