What's Bigger?

I'd say. Saurophaganax. It appears to be overall a slightly larger animal. 

P.S here are my sizes for the two.

sauro

length: 35-40 feet

Weight: 3.5-5 tons

Epanteris

length: 34-38 feet long

weight: 3-4.5 tons.  

These are just my estimates though.

I generally say saurophaganax is bigger.

i think they are about the same size they could how ever grow bigger do to the fact that reptile grow threw outh there life

I'd say Saurophaganax is bigger, but not by too much. 

Thanks Guys , you really cleared up my mind.

I'd also say that Saurophaganax is bigger, but not by too much.

Saurophaganx, though I personally consider Epanterias to be the same as Allosaurus, so it doesn't exist for me. That's besides the point though.