Tallywell.

Anchovies (canned) vs Sardines (canned, drained)

Anchovies (canned)Sardines (canned, drained)
Protein · per 100 g28.9 g24.6 g
Fiber · per 100 g0.0 g0.0 g
Energy · per 100 g210 kcal208 kcal
Protein · per 100 kcal13.8 g11.8 g
To hit 30 g protein104 g · 218 kcal122 g · 254 kcal

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.