Tenderloin vs Top Sirloin — What's the Difference?
Quick Answer
Tenderloin (beef tenderloin) and Top Sirloin (top sirloin) are not the same cut: Tenderloin is loin primal (psoas major); Top Sirloin is sirloin primal (Upper hip, above the sirloin cap (coulotte) and behind the short loin).
Canonical entities: Tenderloin · Top Sirloin
Side-by-side
| tenderloin | top sirloin | |
|---|---|---|
| Primal | loin | sirloin |
| Muscle / location | psoas major | Upper hip, above the sirloin cap (coulotte) and behind the short loin |
| Character | Most tender muscle of the loin; center cuts often sold as filet mignon. | A large, lean cut from the hip section. The top sirloin butt (NAMP 184) is the main muscle group. Versatile — grilled as steaks, roasted whole, or cut into kabobs. Moderate tenderness with good beefy flavor. Not to be confused with sirloin cap (coulotte/picanha) which sits on top of it. |
Key differences
- Different primals: loin vs sirloin.
- Texture and slicing: compare fibrous, grain-heavy cuts vs more tender steak-style muscles based on each cut’s description.
- Retail naming diverges by country—always map through a canonical cut when translating menus or labels.
When to use each
Tenderloin
Pick Tenderloin when you want its specific marbling/texture profile: Most tender muscle of the loin; center cuts often sold as filet mignon.
Top Sirloin
Pick Top Sirloin when its primal/muscle traits fit the dish: A large, lean cut from the hip section. The top sirloin butt (NAMP 184) is the main muscle group. Versatile — grilled as steaks, roasted whole, or cut into kabobs. Moderate tenderness with good beefy flavor. Not to be confused with sirloin cap (coulotte/picanha) which sits on top of it.
Tenderloin and Top Sirloin are different canonical muscles/primals: Tenderloin is loin (psoas major); Top Sirloin is sirloin (Upper hip, above the sirloin cap (coulotte) and behind the short loin).
Choose based on tenderness, marbling, grain direction, and how you plan to cook (sear vs braise vs slice thin).
Read the full guides: tenderloin (what-is) · top sirloin (what-is) · tenderloin hub · top sirloin hub