Ribeye Steak vs Sirloin Steak (Top Sirloin)
Compare ribeye steak and sirloin steak (top sirloin) side by side for calories, protein, fat, iron, zinc, vitamin B12, cooking methods, and reference price per pound. All values use the shared per 100g raw reference system for nutrition logging and meal planning.
| Nutrient | Ribeye Steak | Sirloin Steak (Top Sirloin) | Diff |
|---|---|---|---|
| Calories | 291 kcal | 183 kcal | 108 kcal |
| Protein | 18.9g | 27g | -8.1g |
| Total Fat | 23.8g | 7.6g | 16.2g |
| Saturated Fat | 9.9g | 2.9g | 7g |
| Carbohydrates | 0g | 0g | — |
| Cholesterol | 69mg | 68mg | 1mg |
| Iron | 1.7mg | 1.8mg | -0.1mg |
| Zinc | 4.1mg | 5mg | -0.9mg |
| Vitamin B12 | 2.1µg | 1.4µg | +0.7µg |
| Niacin (B3) | 5.3mg | 8mg | -2.7mg |
| Selenium | 19.2µg | 28.0µg | -8.8µg |
| Potassium | 266mg | 350mg | -84mg |
Ribeye Steak
Well-marbled, tender, and flavorful steak from the rib section. Known for its rich taste and buttery texture due to intramuscular fat.
Sirloin Steak (Top Sirloin)
Lean, flavorful steak with less marbling than premium cuts. Great balance of tenderness and beef flavor at a moderate price point.
Price comparison
Cut characteristics at a glance
Culinary and texture notes for planning — not a ranking of which cut is better.
| Trait | Ribeye Steak | Sirloin Steak (Top Sirloin) |
|---|---|---|
| Primal source | Rib primal (ribs 6–12) | Loin (top sirloin) |
| Typical tenderness | High — marbling supports a soft, steakhouse-style bite | Moderate — leaner, firmer texture than ribeye |
| Marbling | Moderate (Choice reference) | Small (Choice reference) |
| Flavor character | Rich, buttery, pronounced beef flavor | Balanced, everyday beefy character |
| Texture | Soft with rendered intramuscular fat | Firmer, cleaner bite with less fat cushion |
| Ideal doneness | Rare, medium rare, or medium | Medium rare to medium |
| Common cooking methods | Grill, pan-sear, broil, sous vide | Grill, pan-sear, broil, stir-fry strips |
| Typical recipe uses | Steakhouse plates, butter-basted steaks, special-occasion dinners | Everyday grilled steak, steak salad, fajita strips, stir-fry |
| Reference price | ~$15.99/lb planning estimate | ~$9.99/lb planning estimate |
| Serving size examples | Use toggles above: 100g, 4 oz, 6 oz, 8 oz | Use toggles above: 100g, 4 oz, 6 oz, 8 oz |
Practical differences
What is ribeye?
Ribeye comes from the rib primal — typically ribs 6 through 12 — where intramuscular fat (marbling) is naturally higher. Also sold as rib steak, Delmonico, or Spencer steak, it is a premium cut known for rich flavor and a soft, fat-supported texture when cooked to rare or medium.
What is sirloin?
Top sirloin comes from the loin primal, behind the short rib section. It is a versatile, moderately priced steak with less marbling than ribeye but a solid beef flavor. Common names include top sirloin, sirloin, and top butt. It works well for classic grilled steaks and sliced applications like salads or stir-fry.
Marbling differences
Ribeye carries moderate marbling in this Choice reference, which adds flavor and a softer bite as fat renders during cooking. Sirloin shows small marbling — leaner on the label reference with less intramuscular fat. Marbling affects culinary character, not a ranking of which cut is better.
Tenderness comparison
Ribeye is generally more tender for a whole-steak plate because marbling acts as internal moisture during cooking. Sirloin has a firmer, leaner bite and a slightly narrower doneness window before dryness shows — but it still slices cleanly for everyday steak servings.
Flavor profile
Ribeye is often described as rich and buttery with a pronounced beef taste from higher fat content. Sirloin offers a balanced, straightforward beef flavor with less fat richness. Both are full-flavored cuts; the difference is intensity and mouthfeel, not quality.
Nutrition snapshot (per 100g raw)
In this site’s reference system, sirloin shows higher protein (27.0 g vs 18.9 g) and lower calories (183 vs 291 kcal) and total fat (7.6 g vs 23.8 g) than ribeye. Ribeye shows higher vitamin B12 (2.1 µg vs 1.4 µg) in this reference. Sirloin shows slightly more iron (1.8 mg vs 1.7 mg) and zinc (5.0 mg vs 4.1 mg). Always log the reference numbers that match your label.
Cooking methods and serving sizes
Both cuts grill and pan-sear well. Ribeye often benefits from moderate heat so marbling can render without over-charring the exterior. Sirloin suits straightforward high-heat grilling to medium-rare or medium. Use the serving toggles above to scale portions — for example, 6 oz (170 g) raw ribeye logs about 495 kcal versus about 311 kcal for the same sirloin portion in this system.
When to pick which
Choose ribeye when you want maximum richness, marbling, and a steakhouse-style plate — and your budget allows the premium price. Choose sirloin when you want more protein per 100g raw, lower fat and calories for portion logging, or an everyday steak at a lower planning price. Neither is universally better — pick based on recipe, budget, and how you plan to log the portion.
Frequently asked questions
What is the difference between ribeye and sirloin?
Ribeye comes from the rib primal with more marbling and a richer flavor profile. Sirloin (top sirloin) comes from the loin primal, is leaner on the label reference, and shows more protein per 100 grams raw in this system. Nutrition, tenderness, and price all differ as shown in the comparison table above.
Which cut has more protein?
Top sirloin shows more protein per 100 grams raw here — about 27.0 g for sirloin versus about 18.9 g for ribeye.
Which cut has more fat?
Ribeye shows more total fat per 100 grams raw — about 23.8 g versus about 7.6 g for sirloin. Saturated fat is also higher on ribeye in this reference (9.9 g vs 2.9 g).
Which is more tender?
Ribeye is generally more tender for a whole-steak serving because marbling supports a softer bite. Sirloin is still a workable everyday steak cut with a firmer, leaner texture.
Which cut suits grilling?
Both work on a grill. Ribeye often cooks well over moderate heat so fat can render without burning the crust. Sirloin suits classic high-heat grilling to medium-rare or medium.
Can ribeye and sirloin be substituted in recipes?
Sometimes. For rich, whole grilled steaks, ribeye is the closer match. For leaner everyday steaks, salads, or sliced stir-fry, sirloin is the traditional fit — but ribeye can work if you adjust cook time for its higher fat content.
Does cooking affect the nutrition values?
Cooking changes weight and how nutrients concentrate per gram of finished meat. Raw reference tables stay on per 100g raw; for cooked portions use the raw vs cooked beef weight converter or cut-specific nutrition tools.
Data source
Nutrition values are from the shared per 100g raw reference system maintained from USDA FoodData Central source records. Price values are general planning estimates, not live store quotes. This comparison is for informational nutrition logging and meal planning use only. It is not medical guidance. Values are per 100g raw reference data from USDA FoodData Central source records unless noted. Ribeye values use the site boneless ribeye raw reference maintained across ribeye tools on this site. Sirloin values use the site top-sirloin raw reference maintained across sirloin tools on this site. Trim style and grade on your label may differ from these reference baselines.
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