Dunkin iced coffee (medium) has more caffeine than Starbucks Pumpkin Cream Cold Brew (grande) on both counts: 297mg per 24 oz medium against 185mg per 16 oz grande, and about 12mg per fluid ounce against 12. The serving sizes differ, so the table below shows both ways of counting.
Starbucks Pumpkin Cream Cold Brew (grande) vs Dunkin iced coffee (medium): the numbers
| Starbucks Pumpkin Cream Cold Brew (grande) | Dunkin iced coffee (medium) | |
|---|---|---|
| Caffeine per serving | 185mg per 16 oz grande | 297mg per 24 oz medium |
| Caffeine per fl oz | 11.6mg | 12.4mg |
| Servings to reach 400mg (FDA context) | 2.2 | 1.3 |
Sources: Starbucks Pumpkin Cream Cold Brew (grande)'s figure is verified in our Starbucks Pumpkin Cream Cold Brew (grande) caffeine guide against Caffeine Informer (source); Dunkin iced coffee (medium)'s figure is verified in our Dunkin iced coffee (medium) guide against Caffeine Informer Dunkin guide (source).
Which one should you pick?
Pick Starbucks Pumpkin Cream Cold Brew (grande) when you want the lighter dose or a slower ramp, and Dunkin iced coffee (medium) 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 Pumpkin Cream Cold Brew (grande): the full caffeine guide
- Dunkin iced coffee (medium): 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 Pumpkin Cream Cold Brew (grande) or Dunkin iced coffee (medium) have more caffeine? Dunkin iced coffee (medium): 297mg per 24 oz medium versus 185mg per 16 oz grande for Starbucks Pumpkin Cream Cold Brew (grande).
Which is stronger per ounce? Dunkin iced coffee (medium), at about 12.4mg per fluid ounce versus 11.6mg for Starbucks Pumpkin Cream Cold Brew (grande).
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