Beef Sirloin vs Roast Beef (deli)
Side-by-side macro comparison. Beef Sirloin vs Roast Beef (deli) per their standard serving sizes.
Roast Beef (deli)
per 2 slices (56g)
Macro Comparison Table
| Macro | Beef Sirloin | Roast Beef (deli) | Difference |
|---|---|---|---|
| Calories | 206 cal | 70 cal | +194% Beef |
| Protein | 27g | 12g | +125% Beef |
| Carbs | 0g | 1g | -100% Beef |
| Fat | 10g | 2g | +400% Beef |
Differences shown relative to Beef Sirloin. Positive = Beef Sirloin has more.
Quick Take
Beef Sirloin delivers 206 calories per serving with 27g protein, 0g carbs, and 10g fat. Roast Beef (deli) delivers 70 calories with 12g protein, 1g carbs, and 2g fat. The most meaningful difference: Roast Beef (deli) saves 136 calories per serving — meaningful over a week of meals. For protein density per calorie, Roast Beef (deli) wins at 69% of calories from protein.
When to Pick Each
For Cutting / Weight Loss
When cutting on a tight calorie budget, Roast Beef (deli) gives you 136 more calories of headroom per serving — that's room for an extra snack, more vegetables, or a higher-protein second portion. If protein density matters more (which it does for preserving muscle on a deficit), Roast Beef (deli) delivers more grams of protein per calorie consumed.
For Bulking / Muscle Gain
For muscle gain, you want calories AND protein. Beef Sirloin brings 206 calories — useful when you're chasing a surplus and struggling to eat enough. Beef Sirloin delivers 27g of protein per serving, which directly feeds muscle protein synthesis. The best pick depends on whether you need more total calories or more usable protein.
For Keto / Low-Carb
Both Beef Sirloin and Roast Beef (deli) are keto-friendly with under 10g carbs per serving.
Frequently Asked
Which has more protein, Beef Sirloin or Roast Beef (deli)?
Beef Sirloin has more protein: 27g vs 12g per serving. That's a difference of 15g.
Which has fewer calories, Beef Sirloin or Roast Beef (deli)?
Roast Beef (deli) has 70 calories per serving vs 206 calories in Beef Sirloin — a difference of 136 calories.
Is Beef Sirloin or Roast Beef (deli) better for keto?
Beef Sirloin is the better keto choice at 0g carbs per serving vs 1g carbs in Roast Beef (deli).
Is Beef Sirloin or Roast Beef (deli) better for weight loss?
For weight loss, Roast Beef (deli) gives you more calorie flexibility (136 cal less per serving). For preserving muscle during a deficit, Roast Beef (deli) delivers more protein per calorie. Most people on cuts benefit from Roast Beef (deli).
Which Is Better for Your Goal?
🔥 Weight Loss
Roast Beef (deli)
Higher protein-to-calorie density + lower absolute fat = more satiety per calorie.
💪 Muscle Gain
Beef Sirloin
Higher absolute protein per serving better supports muscle protein synthesis.
🥑 Low-Carb / Keto
Beef Sirloin
Lower carbohydrate content fits keto and low-carb macros without burning your carb budget.
Both fit most balanced diets. These verdicts reflect macro-only comparisons — taste, satiety, cost, and personal preference also matter.
Find Your Personal Macros
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Other ways Beef Sirloin and Roast Beef (deli) stack up:
Full Beef Sirloin guide • Full Roast Beef (deli) guide • All comparisons