The phrase "a different form than" is correct and usable in written English.
It can be used when comparing two forms or versions of something, indicating that they are not the same.
Example: "The new software offers a different form than the previous version, enhancing user experience."
Alternatives: "a different version from" or "a distinct form compared to".
Homelessness in the developing world often takes a different form than in the developed world, but also differs greatly from city to city.
Here was an athlete struck down by cancer, of a different form than the one suffered by Vilanova.
"We weren't trying to shake up the A.S.P.," Lopez said, "but we were trying to show surfing in a different form than the man-on-man competition with two guys in the water, hassling the whole time.
Facebook is playing editor all the time — it's just that we don't recognize it, because the editorial influence takes a different form than it would at a traditional news organization.
"Because me being in a field working with my hands, it gives me a chance to do that out here in a different form than I'm usually accustomed to".
Doctors treated allergies by administering the allergen by a different route and in a different form than when it causes the allergic reaction.
This problem was foreseen, albeit in a different form, more than 50 years ago.
"It is taking a different form this year than the open concert of years past but some great musical talent has signed on to the 24 Hours event," said a spokeswoman, referring to an annual 24-hour event held by Gore's NGO, Climate Reality.
The distemper research at the NIMR took a different form: rather than just experts engaging the public, a large number of stakeholders were in dialogue and exchange with the researchers and the research process.
Poetry in particular takes quite a different form in Japanese than in Indo-European languages.
The electronic music that's reaching everybody right now is a different form of music than what we make.
