Did you swoop up your daily cup o’ Joe this morning from Starbucks, Peet’s or Dunkin’ Donuts? Well, you may be toting significantly less caffeine than your cubicle mate according to this nifty infographic from the folks over at Thrillist.

Using data from their “super-scientific source,” aka the Center for Science in the Public Interest, they came to the grave conclusion that not all coffee is created equal. The above infographic compares the milligrams of caffeine per ounce found in various brews, from Starbucks to the notorious Deathwish Coffee.

Bottom line: Use this information wisely and don’t shun your regular caffeine fix for a cup of Deathwish. It’s called that for a reason.