Both machines feature similarly-sized batteries, but the 15W Core Ultra chips inside the Surface Pro 10 will naturally suck up less power than the 28W Core Ultra chips inside the Surface Laptop 6.

However, considering that the Surface can have a 28W chip vs a 15W chip, and it has a 47Whr battery vs the ThinkPad's 57Whr battery, it's likely that the Surface won't perform as well as the ...