The phrase "a different one than" is correct and usable in written English.
It can be used when comparing two items or options, indicating that one is not the same as the other.
Example: "I prefer a different one than the one you suggested."
Alternatives: "a different one from" or "another one than".
And never mind that any thoughtful analysis of the results so far suggests that Obama may be assembling a new electoral coalition, a different one than the Clintons and other centrist Democrats have relied on for the past 20 years.
Guy Trebay's article about thinner male models ("The Vanishing Point," Thursday Styles, Feb. 7), struck a chord with me, though a different one than I believe he intended.
"The perception of being in pursuit of the truth is a different one than the perception of being in pursuit of making an argument and trying to persuade people of something," said Alex S.
When it became time to attend high school, Erin selected a different one than her classmates, who later learned that she had been killed in a car crash on her way to school.
Patents will continue to play a role, just a different one than 30 days ago.
This way you can spot whether an address has been replaced with a different one than is intended.
It's also a love story and a coming-of-age story, albeit a very different one than Holden Caulfield's.
But Mexico's fan base in the US is a decidedly different one than its base in Mexico, and a decidedly more forgiving one.
But it's a very different one than it was as originally conceived, which, depending on what backers were expecting, may disappoint a few of them.
And, Gee says, it was a great experience overall — even if it was a significantly different one than actually getting their investment was.
It's a very different one than what other companies have taken.
