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$4.5M Super Bowl ad—or all this on social media

Fans walk outside University of Phoenix Stadium in Glendale, Ariz., Jan. 25, 2015, ahead of Super Bowl XLIX.
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Fans walk outside University of Phoenix Stadium in Glendale, Ariz., Jan. 25, 2015, ahead of Super Bowl XLIX.

The cost of a 30-second Super Bowl spot is now $4.5 million—or $150,000 per second.

With a price that high, it's worth asking what that would fetch advertisers in another arena of ever-increasing importance—social media.

A recent article in AdWeek reports that many brands are using premium digital advertising to complement or even replace the money they would spend on game-day TV spots. Their conclusion: You can get a lot more for your money online.

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"With [a $4.5 million] budget, you can run a YouTube masthead, Snapchat sponsored story, sponsored Instagram ad, promoted Twitter trend and a Yahoo homepage takeover and still have money to spare," said Adam Shlachter, chief investment officer at DigitasLBi, told AdWeek.

By the numbers, $4.5 million will buy 10 days of premium advertising on Twitter, four days on Facebook, five "masthead" ads on YouTube, and six-days worth of Snapchat's high-priced disappearing ads. Those campaigns will reach anywhere from 50 to 100 million users, depending on the service.

Read the full article on AdWeek here.