1989. Shake It Off was a streaming monster while it was up on Spotify and it still managed to sell over 4 million copies in the US alone. Blank Space got 1 billion views on YouTube and sold loads of copies as well. Not to mention Taylor's latest album is currently at 5,9 million copies, while Views.
Don't get me wrong, both are successful on their own merit, but Taylor will win if her album is compared to Drake's.