Surface Book vs. Surface Pro 4: Picking the best came down to just one thing

We love the Surface Book. We love the Surface Pro 4. But what we haven’t told you yet is the question many of you are asking: Which one is better? And the answer is: the other one.
For the last week, we’ve tossed the question back and forth: which one do you like? Why? We both agree that the Book’s appeal lies in its discrete GPU, battery life, and laptop-like form factor. The SP4 is slightly cheaper but offers some serious bang for your buck. Gordon and I know both devices: I