Does Monster or Rockstar have more caffeine?

Neither — Monster Energy Original Green and Rockstar Energy Original both contain 160mg of caffeine per can.

Which is stronger per ounce, Monster or Rockstar?

Neither — both work out to 10mg of caffeine per fl oz.

Does Monster or Rockstar have more sugar?

Rockstar. Rockstar Energy Original has 63g of sugar per can, while Monster Energy Original Green has 54g.

Which has fewer calories, Monster or Rockstar?

Monster. Monster Energy Original Green has 210 calories per can versus 260 in Rockstar Energy Original.

What's the difference between Monster and Rockstar?

Comparing Monster Energy Original Green and Rockstar Energy Original: both carry 160mg of caffeine, sugar is 54g versus 63g, calories are 210 versus 260. Full ingredient lists for both are on this page.

Monster vs Rockstar

Both carry 160 mg of caffeine per can — no difference on that front.

Rockstar Energy Original carries 9 g more sugar (63 g vs 54 g).
Calories land at 210 for Monster Energy Original Green and 260 for Rockstar Energy Original.

Figures are per can, for Monster Energy Original Green and Rockstar Energy Original, our stand-ins for each line.

	Monster Energy Original Green Monster Energy Check Prices	Rockstar Energy Original Rockstar Check Prices
Rating	3.4 (8)3.4 out of 5 from 8 ratings	Not yet rated
Type	lifestyle	lifestyle

Monster Energy Original Green ingredients

Key performance ingredients

Tap an underlined ingredient to see what it is.

Common questions

Does Monster or Rockstar have more caffeine?: Neither — Monster Energy Original Green and Rockstar Energy Original both contain 160mg of caffeine per can.
Which is stronger per ounce, Monster or Rockstar?: Neither — both work out to 10mg of caffeine per fl oz.
Does Monster or Rockstar have more sugar?: Rockstar. Rockstar Energy Original has 63g of sugar per can, while Monster Energy Original Green has 54g.
Which has fewer calories, Monster or Rockstar?: Monster. Monster Energy Original Green has 210 calories per can versus 260 in Rockstar Energy Original.
What's the difference between Monster and Rockstar?: Comparing Monster Energy Original Green and Rockstar Energy Original: both carry 160mg of caffeine, sugar is 54g versus 63g, calories are 210 versus 260. Full ingredient lists for both are on this page.

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Monster vs Rockstar

Monster Energy Original Green ingredients

Key performance ingredients

Common questions

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Monster vs Rockstar

Monster Energy Original Green ingredients

Key performance ingredients

Common questions

Related comparisons

Base & flavoring ingredients

Rockstar Energy Original ingredients

Key performance ingredients

Base & flavoring ingredients