Age

• Fryer chickens are 7 to 13 weeks old, while roaster chickens are 3 to 5 months old.

Size

• Fryer chickens weigh between 1 1/2 and 4 lbs. Roasters are larger and weigh between 3 1/2 and 7 lbs.

Serving Size

• A whole fryer chicken is typically enough food to serve three to four people, and a roaster chicken serves between five and seven people.

Flavor

• The meat of a roaster chicken is typically more flavorful than a fryer.

Tender

• While roaster meat is tender as well, the meat of the fryer chicken is especially tender.