Hi Ruthie,
You can read a little more about the different ways that one mattress can “match” another one in post #9 here but in most cases they will be a “close equivalent” in one or more ways and may not be an exact match unless all the materials and components and the design is exactly the same which wouldn’t normally be the case.
The overall “feel” of a mattress is also so subjective that it’s not really possible to give an objective answer to these types of questions because each person may have a different answer to the same question depending on their body type, sleeping positions, and individual perceptions and in some cases the conditions in their bedroom (memory foam changes in response to temperature, humidity, and how long it is compressed). The only way to answer the question for any specific person would be based on their own side by side testing of all the mattresses they are trying to compare which of course wouldn’t be possible.
Because of the subjective nature of comparing mattresses … you would need to talk with each retailer or manufacturer about how closely their mattresses match in each of the various ways and include the return policies or the options they have available after a purchase as part of your personal value equation in case you are one of the few who doesn’t think that the mattress you purchased was a close enough match for the mattress you are “targeting” (in this case the Tempurpedic Cloud Luxe).
Post #12 here has a list of some of the better online memory foam sources I’m aware of (including Brooklyn Bedding and Select Foam) and if you let me know your city or zip code then I’d also be happy to let you know of any local options I’m aware of as well.
In the end when it comes to subjective comfort decisions and you aren’t able to test the mattress in person you will need to rely on your “best judgement” based on the confidence that comes from your conversations with each and the importance of their return or exchange policies when you make your final choice.
Phoenix