The phrase "are small when compared" is correct and usable in written English.
It can be used when making a comparison between two or more items, highlighting that one is smaller in size or quantity relative to another.
Example: "The apples are small when compared to the oranges in the basket."
Alternatives: "are minor in comparison" or "are lesser when contrasted".
But differences in party affiliation are small when compared to the psychic divide between the cities.
For example, document retrieval alone is insufficient because relevant information is concentrated in document fragments that are small when compared to the size of the entire document.
McAfee says that the upfront payments are small when compared with the total potential value of the PC deals and that conversion rates have been strong to date.
Results indicate that although there are thermal differences between the different plant types, these differences are small when compared with non-vegetated surfaces.
The amounts needed to support a new era in AIDS vaccine research are small when compared to the enormous potential benefit — real and lasting control of this global epidemic.
These numbers are small when compared with the $56 trillion of net assets of American households.
Overall, the absolute changes in colorectal screening adherence at the precise thresholds are smaller when compared to mammography, but the relative changes are similar.
Both the positional range and the relative distance from the termination codon are smaller when compared to the corresponding values estimated for additional motifs we found to be overrepresented in P. tetraurelia3' UTRs (Table 4).
He said what was lost through non-repayment was "small" when compared with the extra tax revenue from graduate earnings.
To be sure, New Jersey's $2.5 million annual bee trade is small when compared with the state's $812 million farming and nursery industries.
