The Bottom LineBoth Serta models are hybrid in construction whereas Saatva is a luxury innerspring mattress, admired for its comfort-boosted traditional feel. Serta is an established mattress brand with an incredible number of models in its offering, some of them got very mixed reviews over the years. Saatva is a high-end luxury brand with established reputation for comfort, value for money, and impeccable customer service. Free white glove delivery is simply the cherry on the top. While both Serta models offer medium to medium-firm comfort level, Saatva allows you to choose the firmness (soft, medium or firm) to suit your sleep needs. Both Serta PS Elmridge Super Pillow Top and Glenmoor Super Pillow Top offer pretty basic features for the price whereas Saatva is slightly more luxurious within the same price range. Saatva also features lumbar support system that ensures backache relief and prevention. In this comparison, the US-made Saatva is an easy winner, with it’s handcrafted mattress that offers great comfort, feel, and durability.