Beef Sirloin Steak (lean)
29.0gprotein / 100g183 cal · 6.9g fat · $$$ · Quality 0.92
Duck Breast (skinless)
27.0gprotein / 100g201 cal · 11.2g fat · $$$ · Quality 0.91
Beef Sirloin Steak (lean) carries 2.0g more protein per 100g than Duck Breast (skinless) (29.0g vs 27.0g) — a real but modest edge.
Neither has a meaningful edge on protein quality; they're close enough on amino acid profile that it isn't a differentiator here.
Cost is roughly comparable between the two ($$$), so budget isn't the deciding factor here.
Beef Sirloin Steak (lean)'s typical serving also delivers more leucine (2350mg vs Duck Breast (skinless)'s 2050mg) — relevant if the goal is maximizing the muscle-protein-synthesis trigger per meal, not just total grams.
These two are closer than the comparison headline suggests. Either Beef Sirloin Steak (lean) or Duck Breast (skinless) works well in most contexts — let cost, prep time, and personal preference decide rather than the macros.
Full nutrition comparison
| Per 100g | Beef Sirloin Steak (lean) | Duck Breast (skinless) |
|---|---|---|
| Protein | 29.0g | 27.0g |
| Calories | 183 | 201 |
| Fat | 6.9g | 11.2g |
| Carbs | 0.0g | 0.0g |
| Fiber | 0.0g | 0.0g |
| Quality score | 0.92 | 0.91 |
| Relative cost | $$$ | $$$ |
| Prep time | 15 min | 15 min |
Frequently asked
Which has more protein, beef sirloin steak (lean) or duck breast (skinless)?
Beef Sirloin Steak (lean) has 29.0g of protein per 100g compared to Duck Breast (skinless)'s 27.0g.
Which is lower in calories?
Beef Sirloin Steak (lean) is lower in calories per 100g, at 183 vs the other's 201.