Dix also pointed to margin issues at Google as among the reasons for his $770 price target, which would be about a 4 percent decline from current levels.
At Facebook, Tom Forte, analyst at Telsey Advisory Group, told CNBC that the social network's monetization strategies, including on mobile, should help boost the stock 46 percent back to its IPO price of $38 a share over the next 12 months.
So Facebook vs. Google is the first of Thursday's doubleheader kick-off of the second round of our "Squawk Box Money Madness." The opening "Squawk 16" stocks are now down to the "Emerging 8."
(Vote Now! Facebook vs. Google)
The second matchup of our doubleheader features Bank of America vs. Intel, which narrowly advanced Wednesday against another financial powerhouse. The chip-maker beat JPMorgan by getting 51 percent of the vote.
(Vote Now! Bank of America vs. Intel)