Starbucks Blonde Roast has more caffeine than Starbucks cold brew (grande): 360mg vs 205mg in the same 16 oz grande. That is a 155mg gap, and since the servings match, the per-serving number is the whole story.
Starbucks Blonde Roast vs Starbucks cold brew (grande): the numbers
| Starbucks Blonde Roast | Starbucks cold brew (grande) | |
|---|---|---|
| Caffeine per serving | 360mg per 16 oz grande | 205mg per 16 oz grande |
| Caffeine per fl oz | 22.5mg | 12.8mg |
| Servings to reach 400mg (FDA context) | 1.1 | 2.0 |
Sources: Starbucks Blonde Roast's figure is verified in our Starbucks Blonde Roast caffeine guide against Starbucks nutrition listing (source); Starbucks cold brew (grande)'s figure is verified in our Starbucks cold brew (grande) guide against Starbucks menu data (source).
Which one should you pick?
Pick Starbucks cold brew (grande) when you want the lighter dose or a slower ramp, and Starbucks Blonde Roast when you actually need the bigger hit and know your tolerance. If you are stacking either with other caffeinated drinks through the day, run the math against the 400mg reference rather than guessing.
For context, the FDA cites 400mg of caffeine a day as an amount generally not associated with negative effects in healthy adults. Tolerance and health vary, so treat these numbers as information, not advice.
Related reading
- Starbucks Blonde Roast: the full caffeine guide
- Starbucks cold brew (grande): the full caffeine guide
- The verified caffeine database
- Every drink compared: the comparisons index
- Compare any two of 120+ drinks
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Gear from this guide
FAQ
Does Starbucks Blonde Roast or Starbucks cold brew (grande) have more caffeine? Starbucks Blonde Roast: 360mg per 16 oz grande versus 205mg per 16 oz grande for Starbucks cold brew (grande).
Which is stronger per ounce? Starbucks Blonde Roast, at about 22.5mg per fluid ounce versus 12.8mg for Starbucks cold brew (grande).
Comparing caffeine? The caffeine comparison tool puts hundreds of drinks side by side, and the caffeine curfew calculator can check your cutoff time for tonight.
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