Stumptown Cold Brew (stubbie) has more caffeine than Chameleon Cold Brew (RTD) on both counts: 279mg per 10.5 oz bottle against 230mg per 10 oz bottle, and about 27mg per fluid ounce against 23. The serving sizes differ, so the table below shows both ways of counting.
Chameleon Cold Brew (RTD) vs Stumptown Cold Brew (stubbie): the numbers
| Chameleon Cold Brew (RTD) | Stumptown Cold Brew (stubbie) | |
|---|---|---|
| Caffeine per serving | 230mg per 10 oz bottle | 279mg per 10.5 oz bottle |
| Caffeine per fl oz | 23.0mg | 26.6mg |
| Servings to reach 400mg (FDA context) | 1.7 | 1.4 |
Sources: Chameleon Cold Brew (RTD)'s figure is verified in our Chameleon Cold Brew (RTD) caffeine guide against Caffeine Informer (source); Stumptown Cold Brew (stubbie)'s figure is verified in our Stumptown Cold Brew (stubbie) guide against Caffeine Informer (source).
Which one should you pick?
Pick Chameleon Cold Brew (RTD) when you want the lighter dose or a slower ramp, and Stumptown Cold Brew (stubbie) 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
- Chameleon Cold Brew (RTD): the full caffeine guide
- Stumptown Cold Brew (stubbie): the full caffeine guide
- The verified caffeine database
- Every drink compared: the comparisons index
- Compare any two of 120+ drinks
FAQ
Does Chameleon Cold Brew (RTD) or Stumptown Cold Brew (stubbie) have more caffeine? Stumptown Cold Brew (stubbie): 279mg per 10.5 oz bottle versus 230mg per 10 oz bottle for Chameleon Cold Brew (RTD).
Which is stronger per ounce? Stumptown Cold Brew (stubbie), at about 26.6mg per fluid ounce versus 23.0mg for Chameleon Cold Brew (RTD).
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