The phrase "are even superior" is correct and usable in written English.
It can be used to compare two or more things, indicating that one is better than the other, often in a surprising or unexpected way.
Example: "The new model's features are even superior to those of its predecessor, making it a top choice for consumers."
Alternatives: "are even better" or "are even more advanced".
They are placed on the same level as their visitors, who are even superior to them in lifelike qualities.
The various performance metrics have been obtained using simulation experiments and the results show that these sensors have excellent voltage sensitivity, noise performance and high resolution at sensor level and are even superior to commercial MEMS accelerometers.
They are more precious than a non-powered stylus or finger and are even superior to a trackpad for drawing and designing.
As shown above, prenatal and neonatal human primary keratinocytes are even superior in many aspects to adult keratinocytes.
Nevertheless, the wear performance of the nanocoatings was even superior than that of their conventional counterparts.
The predicted sound absorption performance of SHFs was even superior to that of the bare foam with double density.
Before reading them, he gallantly supposes "they must be even superior to his poetry & will be a boon to the world quite unlooked for -".
Bruno is one of those people — and yes, Bruno, we know, you're really not all that different from, and perhaps you're even superior to, a human.
Noticeably, quinolone derivative 3i exhibited low MIC value of 0.25 μg/mL against Pseudomonas aeruginosa, which was even superior to reference drugs Norfloxacin, Ciprofloxacin and Clinafloxacin.
The synergistic effects of compounds 4a, 4c, and 9 were even superior to that of reference compound N,N′-bis 3,4-dimethoxybenzyl -N-solanesyl-ethylenediamine SDB).
The results showed all the NPCs exhibited enhanced PMS activation for phenol degradation compared with the nitrogen-free porous carbon (obtained from MOF-5), and was even superior to the most effective PMS activator of homogeneous Co2+.
