Comparison

Raspberries vs Blackberries: Fiber Comparison

Raspberries carries more fiber per serving — 8.0g versus 7.6g for Blackberries. Here's the full breakdown.

Raspberries

8.0g per 1 cup (123g)
Soluble1.2g
Insoluble6.8g
Calories64
Protein1.5g

Blackberries

7.6g per 1 cup (144g)
Soluble1.0g
Insoluble6.6g
Calories62
Protein2.0g

The verdict

Raspberries and Blackberries are close on fiber, within 0.4g of each other per serving. At that gap, other factors — calories, protein, how each fits a given meal — matter more for choosing between them than fiber content alone.

Raspberries: 8.0g/serving Blackberries: 7.6g/serving Difference: 0.4g