Both devices can be purchased here:

Kobo forma:
https://goodereader.com/blog/product/rakuten-kobo-forma-e-reader-32gb-english

Oasis 3:
https://goodereader.com/blog/product/amazon-kindle-oasis-3-with-adjustable-warm-light-32gb

There havent been many battles quite like this before; Amazon vs Kobo!
Check out how the two latest offerings from each company stacks up against each other!