If I have two versions of the same product, I will first keep them on the same website. Because I believe your niche is the same for both versions.
Though it's not going to affect the search result if the products are different. Actually, it depends on a lot of aspects.

But if you upload the same product (same photo, same description) on separate websites, Google may count the second one as plagiarized content. It's hard to come to a conclusion from the info you provided. Let us know more about the product and website. There are a lot of SEO experts in the chain who may give a better explanation.