If you buy a roll of the bargain film and then a roll of the full price film, shoot, develop test, print or scan you will have your answer. I have bought from Photowarehouse for 30 years, they have changed manufactures and emulsions, sometimes they change the name sometimes not. We now know that Harmont and Inversacoat among others will custom coat. Berrger had their film custom coasted, and maybe Rolli as well, might order a custom roll, might be a close clone to an existing emulsion. Until someone on the inside spills the beans best you get is an educated guess. But a roll test, then decide.