Internal capacity alone?
Yes - very large wet delta wing with around 90% total area as that of the A-320 - about twice that of the F-15E.
Estimated combat radius is around 1350nm, well in excess of that of the F-111 with earlier generation of engines.
https://www.aerosociety.com/news/gca...ional-fighter/
https://www.twz.com/air/tempest-futu...20manufacturer.