The phrase "are sufficiently different" is correct and usable in written English.
You can use it to describe two or more items, concepts, or entities that have notable distinctions or variations from each other.
Example: "The two proposals are sufficiently different to warrant separate evaluations by the committee."
Alternatives: "are notably distinct" or "are adequately varied".
Peng et al illustrated that pooling RNA samples was a cost-effective tool for discovery science which yielded results representative of group by group differences, as long as the groups are sufficiently different and defined [21].
"I think CBBC and CBeebies are sufficiently different to commercial products [in the children's TV market].
These environments are sufficiently different from "general purpose" programming to warrant separate research and development efforts.
They are sufficiently different from other moles and insectivores to constitute their own mammalian order.
(Their personalities are sufficiently different, as with Jos and Luke, to make X+Y a standalone work of fiction).
Heat integration is typically used since column temperatures are sufficiently different to permit heat transfer.
They are sufficiently different from us that it really requires a willingness on our part to put ourselves back to a time that is really lost".
However, the two experimental systems are sufficiently different to exclude a straightforward conclusion regarding the lack of yeast toxicity of this ExoS construct.
Biosensor emission or excitation wavelengths that are sufficiently different to allow two fluorescent probes to be imaged separately in the same cell.
So our agreements always have a clause stating that notwithstanding the Terms of Service on the provider's site, if they are sufficiently different, our terms will prevail.
In our analysis, equity crowdfunding markets are sufficiently different from traditional securities markets to justify an exemption from mandatory disclosure rules.
