Rockstar vs PRIME

Caffeine, sugar, calories and community ratings side by side. We're using Rockstar Energy Original and PRIME Energy Original as the stand-ins for each line.

PRIME Energy Original has 40 mg more caffeine (200 mg vs 160 mg), so Rockstar Energy Original is the gentler of the two.
PRIME Energy Original has no sugar at all; Rockstar Energy Original has 63 g. That is the single biggest difference between them.
Calories land at 260 for Rockstar Energy Original and 10 for PRIME Energy Original.

	Rockstar Energy Original Rockstar Check Prices	PRIME Energy Original PRIME Energy Check Prices
Rating	Not yet rated	Not yet rated
Type	lifestyle	lifestyle
Caffeine	160 mg	200 mg
Can size	16 fl oz	12 fl oz
Caffeine / fl oz	10 mg	16.7 mg
Sugar	63 g	0 g
Calories	260	10
Sugar-free	No	Yes

Rockstar Energy Original ingredients

Carbonated Water
Sugar
Glucose Syrup
Citric Acid
Taurine
Natural and Artificial Flavor
Sodium Citrate
Caffeine
Caramel Color
Glucuronolactone
Sodium Benzoate (Preservative)
Potassium Sorbate (Preservative)
Inositol
L-Carnitine
Guarana Seed Extract
Niacinamide (Vitamin B3)
Calcium Pantothenate (Vitamin B5)
Milk Thistle Extract
Panax Ginseng Root Extract
Yellow 5
Pyridoxine Hydrochloride (Vitamin B6)
Riboflavin (Vitamin B2)
Cyanocobalamin (Vitamin B12)

Full Rockstar Energy Original page →

PRIME Energy Original ingredients

Carbonated Water
Coconut Water from Concentrate
Citric Acid
Erythritol
Calcium Lactate
Magnesium Citrate
Potassium Citrate
Sodium Citrate
Caffeine
Natural Flavor
Sucralose
Potassium Sorbate (Preservative)
Sodium Benzoate (Preservative)
L-Theanine
Acesulfame Potassium
Inositol
Taurine
Glucuronolactone
Pyridoxine Hydrochloride (Vitamin B6)
Cyanocobalamin (Vitamin B12)

Full PRIME Energy Original page →

Common questions

Does Rockstar or PRIME have more caffeine?: PRIME. PRIME Energy Original has 200mg of caffeine per can versus 160mg in Rockstar Energy Original, a difference of 40mg.
Which is stronger per ounce, Rockstar or PRIME?: PRIME. PRIME Energy Original is 16.7mg of caffeine per fl oz (200mg in 12 fl oz), against 10mg for Rockstar Energy Original (160mg in 16 fl oz).
Does Rockstar or PRIME have more sugar?: Rockstar. Rockstar Energy Original has 63g of sugar per can, while PRIME Energy Original has 0g.
Which has fewer calories, Rockstar or PRIME?: PRIME. PRIME Energy Original has 10 calories per can versus 260 in Rockstar Energy Original.
What's the difference between Rockstar and PRIME?: Comparing Rockstar Energy Original and PRIME Energy Original: caffeine is 160mg versus 200mg, sugar is 63g versus 0g, calories are 260 versus 10. Full ingredient lists for both are on this page.

Browse every flavor: Rockstar · PRIME · or build your own comparison.

Related comparisons

Loading…

Rockstar Energy Original

Rockstar

Check Prices

PRIME Energy Original

PRIME Energy

Check Prices

Rating

Not yet rated

Type

lifestyle

Caffeine

160 mg

200 mg

Can size

16 fl oz

12 fl oz

Caffeine / fl oz

10 mg

16.7 mg

Sugar

63 g

0 g

Calories

260

Sugar-free

Yes

Rockstar Energy Original ingredients

Carbonated Water

Sugar

Glucose Syrup

Citric Acid

Taurine

Natural and Artificial Flavor

Sodium Citrate

Caffeine

Caramel Color

Glucuronolactone

Sodium Benzoate (Preservative)

Potassium Sorbate (Preservative)

Inositol

L-Carnitine

Guarana Seed Extract

Niacinamide (Vitamin B3)

Calcium Pantothenate (Vitamin B5)

Milk Thistle Extract

Panax Ginseng Root Extract

Yellow 5

Pyridoxine Hydrochloride (Vitamin B6)

Riboflavin (Vitamin B2)

Cyanocobalamin (Vitamin B12)

Full Rockstar Energy Original page →

PRIME Energy Original ingredients

Carbonated Water

Coconut Water from Concentrate

Citric Acid

Erythritol

Calcium Lactate

Magnesium Citrate

Potassium Citrate

Sodium Citrate

Caffeine

Natural Flavor

Sucralose

Potassium Sorbate (Preservative)

Sodium Benzoate (Preservative)

L-Theanine

Acesulfame Potassium

Inositol

Taurine

Glucuronolactone

Pyridoxine Hydrochloride (Vitamin B6)

Cyanocobalamin (Vitamin B12)

Full PRIME Energy Original page →

Common questions

Does Rockstar or PRIME have more caffeine?

PRIME. PRIME Energy Original has 200mg of caffeine per can versus 160mg in Rockstar Energy Original, a difference of 40mg.

Which is stronger per ounce, Rockstar or PRIME?

PRIME. PRIME Energy Original is 16.7mg of caffeine per fl oz (200mg in 12 fl oz), against 10mg for Rockstar Energy Original (160mg in 16 fl oz).

Does Rockstar or PRIME have more sugar?

Rockstar. Rockstar Energy Original has 63g of sugar per can, while PRIME Energy Original has 0g.

Which has fewer calories, Rockstar or PRIME?

PRIME. PRIME Energy Original has 10 calories per can versus 260 in Rockstar Energy Original.

What's the difference between Rockstar and PRIME?

Comparing Rockstar Energy Original and PRIME Energy Original: caffeine is 160mg versus 200mg, sugar is 63g versus 0g, calories are 260 versus 10. Full ingredient lists for both are on this page.