There are so many differences between the books and the TV series that I decided to compile all of the ones I could find and post them here. Let me know if I missed any!
In the books, Theon Greyjoy’s name is actually Theon Grayjoy.
The TV show version of Tyrion is actually a composite of three dwarves in the books, all named Tyrion.
In the books, Barristan Selmy is not stabbed in the abdomen on the streets of Mereen. The Barristan Selmy of the books does not have an abdomen.
Arya’s sneeze in season 3 actually came almost a year earlier in the books.
The TV show has removed the tradition of Stannis Baratheon shouting his name whenever he walks into a room.
Cersei’s official wine-drinking crazy straw had yet to make an appearance in the show.
The ad in the beginning for that new show about Dwayne “The Rock” Johnson as a former football player is twenty seconds longer in the books.
We have not yet seen an appearance from Broutle, the elevator attendant at The Wall.
In the show, Jaime Lannister has one hand, but in the books, he still has eight robotic hands that he uses to attack Spider-Man.
In the books, Benioff and Weiss did not survive The Battle of the Blackwater.
There are five chapters in the books written from the perspective of Samwell Tarly’s shoes.
The song that plays during the Red Wedding cannot be heard in the books, because the books do not make noises.
In the books, the Dothraki are instead called The Kind Residents Of Tulsa, Oklahoma.
All of the characters die in the first book,and the other books discuss what would have happened if the characters had not immediately died.
In the show, Grand Maester Pycelle does not wear the Valyrian link he won for Best Beard At The Citadel. He leaves it in his chambers for safekeeping.
In the books, the cast of True Detective Season 2 has not yet been revealed. A leaked chapter from “The Winds Of Winter” mentions Vince Vaughn’s involvement.
In the TV show, Shireen Baratheon’s last words are not, “What’s cookin’?”
The paper cut you got on page 214 of the third book does not occur until the fifth season of the show.
The plotline revolving around Broutle’s complicated relationship with a young redheaded wildling woman had been given to Jon Snow in the TV series.
The satisfaction that comes with finishing an entire book never occurs in the show.