Which is better?
We can say with confidence that neither is superior to the other. Dunlop is denser, which makes it a bit firmer overall than Talalay. Talalay is a good choice if you'd like a pillowy-soft surface "feel". What matters is which type, or which combination, will create the right comfort and support for your needs. Both make a fine mattress and are extremely pure in comparison to conventional mattress materials.
Although Talalay has a wider range of ILDs, or firmness grades, Dunlop is generally heavier and more durable. If you like a very soft surface, you will want Soft Talalay for the top layer of your mattress or as a pillowtop. If you have children who mistake their beds for trampolines, we'd advise choosing a Dunlop latex mattress for them.
Savvy Rest will use whichever type of latex suits you best, and we're also happy to combine the two. Feel free to call us at 866-856-4044 for help with your layer selections. You can also order free samples, which will arrive in about a week.