| Battleship | Comp | LOA (ft) | Beam (ft) | Std. Disp. (tons) | Full Load Disp. (tons) | Shafts | Armor | Speed kts | Weapons |
| Caio Duilio | After Reconstruction in 1937 | 613.166 | 91.75 | 23887 | 29391 | 2 | 10" | 27 | 10-12" (3x2 & 2x2), 12-5.3" (4x3), 10-3.5" (10x1), 1 plane |
| (613' 2") | (91' 9") | ||||||||
| LOA (inches) | Beam (inches) | Std. Disp. (lbs) | Full Load (lbs) | Pump | Armor | Speed 100' | Weapons | ||
| 76.65 | 11.47 | 60.5 | 74.4 | 1 3/4 | 3/32" | 42.2 | 10-7/32", 12-BB, 10-1/8", 1 plane |