Yes! Changi airport is way better than XSP not because it is cheaper but because it benefits from its good public transport services either by train, bus, or shuttle. From this airport you can visit some of the best top attractions in the city in less than an hour. It is 4 terminals which can be hard to navigate but is connected by inter-terminal buses and Skytrain to ease movement around the airport terminals. The airport is served by many top airlines with flights to many destinations to major cities across he globe. Although, it is served by good public transport and has more facilities, it handles more passengers so long queues and flight delays should be expected.