WellByNumbers.

Lamb loin (cooked) vs Ground beef (90% lean, cooked)

Lamb loin (cooked)Ground beef (90% lean, cooked)
Protein · per 100 g29.3 g26.6 g
Carbs · per 100 g0.0 g0.0 g
Fat · per 100 g8.2 g11.1 g
Fiber · per 100 g0.0 g0.0 g
Energy · per 100 g199.0 kcal214.0 kcal
Protein · per 100 kcal14.7 g12.4 g
To hit 30 g protein102 g · 204 kcal113 g · 241 kcal

The same three numbers, drawn

Protein / 100 g29.326.6Fiber / 100 g0.00.0Protein / 100 kcal14.712.4Lamb loinGround beef

What 30 g of protein looks like on a plate

102 gLamb loin204 kcal rides along113 gGround beef241 kcal rides alongsquare area drawn to scale · grams needed for 30 g protein

Where the calories come from

protein 61%fat 39%
protein 52%fat 48%

The one-line verdict: Lamb loin (cooked) delivers 1.2× the protein per calorie of Ground beef (90% lean, cooked) (14.7 g vs 12.4 g per 100 kcal).

More protein / 100 g: Lamb loinLighter per 100 g: Lamb loinSmaller 30 g portion: Lamb loin

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.