Microsoft Surface

Spending: Super tablet smackdown!

Microsoft's Surface Pro 4 and Apple's iPad Pro want to replace your laptop. Which one gets the nod?

Until recently, tablets were primarily lightweight accessories for watching videos and browsing the Web. Laptops were all about getting work done. But now high-end, multifunctional tablets are bridging the gap between work and play.

The Surface Pro 4 and the iPad Pro belong to this latest generation. Both add less bulk to your bag than even the most compact laptop, and they boast large screens and fast processing times. Both also pair with a detachable keyboard for easier typing, as well as a stylus to make tapping, sketching and writing feel more natural. But the biggest boon...