WellByNumbers.

Mozzarella (part-skim) vs Cheddar cheese

Mozzarella (part-skim)Cheddar cheese
Protein · per 100 g24.3 g23.3 g
Carbs · per 100 g2.8 g2.4 g
Fat · per 100 g15.9 g34.0 g
Fiber · per 100 g0.0 g0.0 g
Energy · per 100 g254.0 kcal408.0 kcal
Protein · per 100 kcal9.6 g5.7 g
To hit 30 g protein124 g · 314 kcal129 g · 525 kcal

The same three numbers, drawn

Protein / 100 g24.323.3Fiber / 100 g0.00.0Protein / 100 kcal9.65.7MozzarellaCheddar cheese

What 30 g of protein looks like on a plate

124 gMozzarella314 kcal rides along129 gCheddar cheese525 kcal rides alongsquare area drawn to scale · grams needed for 30 g protein

Where the calories come from

protein 39%4%fat 57%
protein 23%2%fat 75%

The one-line verdict: Mozzarella (part-skim) delivers 1.7× the protein per calorie of Cheddar cheese (9.6 g vs 5.7 g per 100 kcal).

More protein / 100 g: MozzarellaLighter per 100 g: MozzarellaSmaller 30 g portion: Mozzarella

Swap in your own pair

Bold marks the better side of each row. "Per 100 kcal" answers the density question — which food delivers more protein for the energy it costs. Portion row is computed live from the same USDA base values shown on each food page.