Well, real - life ships are mainly limited to traveling within our solar system and at much slower speeds. Science - fiction ships, on the other hand, can traverse galaxies in a relatively short time. The design of science - fiction ships is often more imaginative. They can be huge, like the Death Star in 'Star Wars', which is more of a planet - sized ship. Real - life ships are built for practical purposes such as transportation, fishing, or military defense, while sci - fi ships are created for various fictional purposes like interstellar warfare or exploration of uncharted regions of space. Another difference is that sci - fi ships may have artificial intelligence systems that are far more advanced than anything we have on real ships.
Science - fiction ship types are often very different from real - life ones. For one thing, the propulsion systems are radically different. Real - life ships use traditional methods like rocket engines or sails in the case of water vessels. In science fiction, ships can use things like warp drives or hyperspace jumps. The interiors of science - fiction ships can be highly futuristic and full of advanced technology. For example, they may have holographic interfaces and teleportation devices. In contrast, real - life ships have more basic and practical interiors. Also, the shapes of science - fiction ships can be extremely exotic, from sleek and angular designs to organic - looking forms, while real - life ships are usually more utilitarian in shape, designed for stability and functionality.
In science fiction, ship types can have capabilities like faster - than - light travel, which is not possible in real - life ships currently. Also, science - fiction ships may be designed with advanced weaponry far beyond what real ships possess. For example, energy - based weapons like phasers or lasers are common in sci - fi ships but not in real - life naval or space vessels.