Beef Sirloin Steak (lean)
29.0gprotein / 100g183 cal · 6.9g fat · $$$ · Quality 0.92
Pork Tenderloin
26.0gprotein / 100g143 cal · 3.5g fat · $$ · Quality 0.92
Per 100g, Beef Sirloin Steak (lean) comes in at 29.0g of protein against Pork Tenderloin's 26.0g, a 3.0g gap that's noticeable across a full day's eating but won't make or break either choice on its own.
Protein quality is essentially matched between the two — both land in a similar tier for amino acid completeness.
On price, Pork Tenderloin wins clearly — $$ against Beef Sirloin Steak (lean)'s $$$.
Beef Sirloin Steak (lean)'s typical serving also delivers more leucine (2350mg vs Pork Tenderloin's 2100mg) — 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 Pork Tenderloin 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) | Pork Tenderloin |
|---|---|---|
| Protein | 29.0g | 26.0g |
| Calories | 183 | 143 |
| Fat | 6.9g | 3.5g |
| Carbs | 0.0g | 0.0g |
| Fiber | 0.0g | 0.0g |
| Quality score | 0.92 | 0.92 |
| Relative cost | $$$ | $$ |
| Prep time | 15 min | 25 min |
Frequently asked
Which has more protein, beef sirloin steak (lean) or pork tenderloin?
Beef Sirloin Steak (lean) has 29.0g of protein per 100g compared to Pork Tenderloin's 26.0g.
Which is lower in calories?
Pork Tenderloin is lower in calories per 100g, at 143 vs the other's 183.