In short

Gram for gram, there are 2.3 times as many calories in salmon as in tuna (206 vs 90 in 100 g). Most of those in tuna come from protein.

More in salmon: vitamin D (11×), pantothenic acid (10×), thiamin (11×), vitamin B6 (2×) and 8 more. More in tuna: selenium, niacin, iron (4.9×) and sodium (3.6×). Everything else is within 4% of a day's needs.

Calories, and where they come from

Farmed Atlantic salmon, cooked206 cal

22.1 g protein · 0 g carbs (0 g sugars) · 12.3 g fat

Light canned tuna in water, drained90 cal

19 g protein · 0.08 g carbs (0 g sugars) · 0.94 g fat

Share of the calories fromproteincarbsfat

Where they differ

Each dot is the share of a day's needs (FDA Daily Value) in 100 g of each. Every row uses the same scale, so a short gap is a small difference. Color says which food, never which is better.

0%62.5%125%
  • Vitamin D66% vs 6%

    13.1 µg vs 1.2 µg

  • Selenium75% vs 123%

    41.4 µg vs 67.8 µg

  • Pantothenic acid (B5)30% vs 3%

    1.5 mg vs 0.15 mg

  • Thiamin (B1)28% vs 3%

    0.34 mg vs 0.03 mg

  • Vitamin B638% vs 19%

    0.65 mg vs 0.32 mg

  • Total fat16% vs 1%

    12.3 g vs 0.94 g

  • Niacin (B3)50% vs 62%

    8 mg vs 9.9 mg

  • Saturated fatlimit12% vs 1%

    2.4 g vs 0.22 g

  • Vitamin B12117% vs 107%

    2.8 µg vs 2.6 µg

  • Phosphorus20% vs 11%

    252 mg vs 137 mg

  • Cholesterollimit21% vs 12%

    63 mg vs 36 mg

  • Iron2% vs 9%

    0.34 mg vs 1.7 mg

  • Sodiumlimit3% vs 10%

    61 mg vs 219 mg

  • Protein44% vs 38%

    22.1 g vs 19 g

  • Potassium8% vs 4%

    384 mg vs 176 mg

  • Riboflavin (B2)10% vs 6%

    0.14 mg vs 0.082 mg

Show as: bars · dots

Where they are alike

Less than 4% of a day apart, in 100 g of each.

  • Carbohydrates0 g · 0.08 g0%·<1%
  • Calcium15 mg · 18 mg1%·1%
  • Magnesium30 mg · 22.7 mg7%·5%
  • Zinc0.43 mg · 0.66 mg4%·6%
  • Copper0.049 mg · 0.048 mg5%·5%
  • Manganese0.016 mg · 0.019 mg1%·1%

Reported for only one of the two, so not compared: fiber, iodine, vitamin A, vitamin C, vitamin E, vitamin K, folate, choline.

From USDA FoodData Central: Farmed Atlantic salmon, cooked (SR Legacy 175168), Light canned tuna in water, drained (Foundation 334194). Daily Values are the FDA's for adults and children 4 years and older. Missing values are never shown as zero. For exploring the data, not dietary advice.

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