Are guinea pigs bigger than Hamsters?

a guinea pig is absolutely bigger than a hamster hamsters are nearly the same size as mice only just bigger. a guinea pig just overtakes the rabbit and it is quite large for a small pet animal. they behave a lot differently to hamsters as well and behave more like rabbits. yes

Guinea pigs are bigger. A hamster is maybe the size of one Baseball while a guinea pig will be like 3-4 baseballs long.