In the books, Damon is a much darker and more complex character than he is in the TV show. He is often cruel, violent, and manipulative. However, he is also intelligent, charming, and capable of great love. Damon's relationship with Elena is much more complicated in the books. They are often drawn to each other, but they are also often at odds. Damon is also more willing to do whatever it takes to protect Elena, even if it means hurting others.
Damon Salvatore in the TV Show
In the TV show, Damon is still a complex character, but he is also much more likeable than he is in the books. He is still capable of great cruelty, but he is also more compassionate and caring. Damon's relationship with Elena is more straightforward in the TV show. They are clearly meant to be together, and they support each other through thick and thin.
Which Damon Salvatore is better?
Ultimately, it is up to the individual reader or viewer to decide which Damon Salvatore they prefer. Some people prefer the darker, more complex Damon of the books, while others prefer the more likeable, compassionate Damon of the TV show. There is no right or wrong answer.