Sirloin steak vs Prime rib: Which Has More Calories?
Per 100 g, Sirloin steak has 195 kcal and Prime rib has 355 kcal, so Sirloin steak has 45% fewer calories.
Sirloin steak has more protein (29.8 g vs 16.2 g). Prime rib has more fat (31.7 g vs 8.48 g). Relative to calories, Sirloin steak is the better protein source (15.3 g vs 4.55 g of protein per 100 kcal).


Nutrition Facts
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Amount Per Serving:
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Amount Per Serving:
Sirloin Steak vs Prime Rib 100g Compare
| per 100g | Sirloin steak | Prime rib |
|---|---|---|
| Calories | 195 | 355 |
| Fat | 8.48 g | 31.66 g |
| Protein | 29.8 g | 16.15 g |
| Water | 60.18 g | 51.51 g |
| Calcium | 10 mg | 9 mg |
| Iron | 2.57 mg | 1.7 mg |
| Magnessium | 27 mg | 16 mg |
| Potassium | 379 mg | 263 mg |
| Sodium | 339 mg | 53 mg |
| Vitaminium B1 (Thiamine) | 0.077 mg | 0.08 mg |
| Vitaminium B2 (riboflavin) | 0.347 mg | 0.13 mg |
| Vitaminium B3 (Niacin) | 5.683 mg | 2.75 mg |
| Vitaminium B6 | 0.668 mg | 0.31 mg |
Less Calories in Sirloin steak
At first glance, you can see that in sirloin steak is much less calories than in Prime rib.
Sirloin steak has 195 kcal per 100g and Prime rib 355 kcal per 100g so it is pretty easy to calculate that the difference is about 82%.
Additionally, it is also easy to notice that most of the calories in sirloin steak comes from protein and in Prime rib from fat.
See tables below to compare sirloin steak with Prime rib in details.
Sirloin steak 100g
195kcalCalories source
- 0% CARBS.
- 61% PROTEIN
- 39% FAT
Prime rib 100g
355kcalCalories source
- 0% CARBS
- 18% PROTEIN
- 82% FAT
Compares of sirloin steak
Compares of Prime rib
About the data
Nutrition values on this page are given per 100 g of the food and are based on the official United States Department of Agriculture FoodData Central database. The exact record used for each food is linked under the tables.
Marcin Piotrowicz – calories-info.com creator · Healthy diet and healthy lifestyle promoter. The information is for general purposes and is not medical or dietary advice.