Half Pound Roast Beef vs 4" Sesame Seed Bun

Compare calories, protein, carbs, fat, sodium, and fiber for these Arby's menu items.

Quick answer

4" Sesame Seed Bun is lowest in calories, while Half Pound Roast Beef gives the most protein.

Lowest calories

4" Sesame Seed Bun

210 kcal

Highest protein

Half Pound Roast Beef

48 g protein

Lowest carbs

4" Sesame Seed Bun

36 g carbs

Lowest sodium

4" Sesame Seed Bun

340 mg sodium

Side-by-side nutrition facts

Values are per listed serving and may vary by location or preparation.

Menu item	Calories	Protein	Carbs	Fat	Fiber	Sodium
Half Pound Roast BeefSlow Roasted Beef	610 kcal	48 g	38 g	30 g	2 g	2,040 mg
4" Sesame Seed BunToppings	210 kcal	7 g	36 g	3.5 g	2 g	340 mg

Choose 4" Sesame Seed Bun if your priority is keeping calories lower. It has 210 calories per serving.

Choose Half Pound Roast Beef if you want the most protein. It has 48g protein per serving.

If sodium matters, 4" Sesame Seed Bun is the lighter sodium pick at 340mg.

Open these items in the Arby's calculator to see combined calories and macros.