Beef Sirloin vs Bison
Side-by-side macro comparison. Beef Sirloin vs Bison per their standard serving sizes.
Macro Comparison Table
| Macro | Beef Sirloin | Bison | Difference |
|---|---|---|---|
| Calories | 206 cal | 143 cal | +44% Beef |
| Protein | 27g | 28g | -4% Beef |
| Carbs | 0g | 0g | 0% Beef |
| Fat | 10g | 2.4g | +317% 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. Bison delivers 143 calories with 28g protein, 0g carbs, and 2.4g fat. The most meaningful difference: Bison saves 63 calories per serving — meaningful over a week of meals. Both deliver similar protein density.
When to Pick Each
For Cutting / Weight Loss
When cutting on a tight calorie budget, Bison gives you 63 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), Bison 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. Bison delivers 28g 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 Bison are keto-friendly with under 10g carbs per serving.
Frequently Asked
Which has more protein, Beef Sirloin or Bison?
Bison has more protein: 28g vs 27g per serving. That's a difference of 1g.
Which has fewer calories, Beef Sirloin or Bison?
Bison has 143 calories per serving vs 206 calories in Beef Sirloin — a difference of 63 calories.
Is Beef Sirloin or Bison better for keto?
Bison is the better keto choice at 0g carbs per serving vs 0g carbs in Beef Sirloin.
Is Beef Sirloin or Bison better for weight loss?
For weight loss, Bison gives you more calorie flexibility (63 cal less per serving). For preserving muscle during a deficit, Bison delivers more protein per calorie. Most people on cuts benefit from Bison.
Which Is Better for Your Goal?
🔥 Weight Loss
Bison
Higher protein-to-calorie density + lower absolute fat = more satiety per calorie.
💪 Muscle Gain
Bison
Higher absolute protein per serving better supports muscle protein synthesis.
🥑 Low-Carb / Keto
tie
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
The "right" food depends on your individual macro targets. Calculate yours in 60 seconds:
→ Calculate My Macros (Free)Related Comparisons
Other ways Beef Sirloin and Bison stack up:
Full Beef Sirloin guide • Full Bison guide • All comparisons