Cold Brew vs. Other Coffee Drinks: Which Has More Caffeine?
Cold brew coffee is created by steeping coffee beans for 8–24 hours in cold or room temperature water.
As a result, a caffeinated beverage with a strong, distinct flavour that is less acidic than conventional coffee is produced.
Cold brew differs from other coffee drinks in terms of caffeine level, in addition to taste and temperature variances.
This article compares the caffeine concentration of cold brew coffee to that of other varieties of coffee.