The survey was conducted by Ask.com on more than 4,000 current iPhone owners.
The results showed that about half of the iPhone users plan to immediate buy the latest iPhone models after their launch on September 10.
Specifically, 46% intend to purchase iPhone 5S or iPhone 5C as soon as they arrive in stores.
In addition, 60% are more interested in the iPhone 5S than the cheaper plastic model.
40% of the respondents want a long battery life, while 34% are interested in the possibility of unlocking the device using a fingerprint scanner.