Xing Tea (iced green tea) has more caffeine than Arizona Green Tea on both counts: 110mg per 23.5 oz can against 7.5mg per 8 oz serving (23 oz can holds ~21.5mg), and about 5mg per fluid ounce against 1. The serving sizes differ, so the table below shows both ways of counting.
Xing Tea (iced green tea) vs Arizona Green Tea: the numbers
| Xing Tea (iced green tea) | Arizona Green Tea | |
|---|---|---|
| Caffeine per serving | 110mg per 23.5 oz can | 7.5mg per 8 oz serving (23 oz can holds ~21.5mg) |
| Caffeine per fl oz | 4.7mg | 0.9mg |
| Servings to reach 400mg (FDA context) | 3.6 | 53.3 |
Sources: Xing Tea (iced green tea)'s figure is verified in our Xing Tea (iced green tea) caffeine guide against Caffeine Informer (source); Arizona Green Tea's figure is verified in our Arizona Green Tea guide against Arizona published figure / Caffeine Informer (source).
The concentration gap is the striking part: Xing Tea (iced green tea) packs roughly 5 times the caffeine per ounce. Sipping speed matters at that density; a 23.5 oz can finished in minutes hits differently than the same milligrams spread over a slow cup.
Which one should you pick?
Pick Arizona Green Tea when you want the lighter dose or a slower ramp, and Xing Tea (iced green tea) 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
- Xing Tea (iced green tea): the full caffeine guide
- Arizona Green Tea: 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 Xing Tea (iced green tea) or Arizona Green Tea have more caffeine? Xing Tea (iced green tea): 110mg per 23.5 oz can versus 7.5mg per 8 oz serving (23 oz can holds ~21.5mg) for Arizona Green Tea.
Which is stronger per ounce? Xing Tea (iced green tea), at about 4.7mg per fluid ounce versus 0.9mg for Arizona Green Tea.
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