For personal and work purposes I use both Apple and Windows laptops and its no comparison on those areas really, even if you go for the nice one's (Lenovo, Dell Latitude, Surface, etc). And if you add the other configurations, you get closer to the MBP price.
Eg. Latitude 7440 laptop was the one left after filtering for all the "high end" attributes (> 8GB mem, highest intel processor available for the series, FHD+ etc). Configured at: 14", 16GB, the highest processor configuration they offer, 14.0-in. display Full HD+ (which is just 1920X1200, way worse than "retina") goes for $1,659.00 on Dell's website.
I'd get the M1 over that anyday, even if I had to pay $100-$200 extra for the 16GB option. Especially since it will keep its resale value way better.