Chicken Breast (skinless)
31.0gprotein / 100g165 cal · 3.6g fat · $ · Quality 0.94
Tuna Steak (yellowfin, fresh)
29.2gprotein / 100g130 cal · 1.3g fat · $$$$ · Quality 0.92
Chicken Breast (skinless) carries 1.8g more protein per 100g than Tuna Steak (yellowfin, fresh) (31.0g vs 29.2g) — a real but modest edge.
Neither has a meaningful edge on protein quality; they're close enough on amino acid profile that it isn't a differentiator here.
Chicken Breast (skinless) is also the cheaper option ($ vs $$$$), which matters if you're eating either one regularly rather than occasionally.
With protein content this close, cost is the more useful tiebreaker: Chicken Breast (skinless) delivers a similar protein profile to Tuna Steak (yellowfin, fresh) at a noticeably lower price per serving.
Full nutrition comparison
| Per 100g | Chicken Breast (skinless) | Tuna Steak (yellowfin, fresh) |
|---|---|---|
| Protein | 31.0g | 29.2g |
| Calories | 165 | 130 |
| Fat | 3.6g | 1.3g |
| Carbs | 0.0g | 0.0g |
| Fiber | 0.0g | 0.0g |
| Quality score | 0.94 | 0.92 |
| Relative cost | $ | $$$$ |
| Prep time | 20 min | 8 min |
Frequently asked
Which has more protein, chicken breast (skinless) or tuna steak (yellowfin, fresh)?
Chicken Breast (skinless) has 31.0g of protein per 100g compared to Tuna Steak (yellowfin, fresh)'s 29.2g.
Which is lower in calories?
Tuna Steak (yellowfin, fresh) is lower in calories per 100g, at 130 vs the other's 165.