Hi DenzelQ,
I would be aware that “comfort” can be very subjective and testing mattresses only for “showroom comfort” can be a very unreliable way to assess how well you will sleep on it in “real life”. I would make sure you are familiar with the testing guidelines in the tutorial post so that you have a higher chance of choosing a mattress that is a good match in terms of PPP (Posture and alignment, Pressure relief, and Personal preferences) since testing for more subjective ideas of “comfort” alone can have a lower chance of success than random chance alone (see this study).
Post #13 here has more about the most important parts of the “value” of a mattress purchase and outside of suitability (PPP) … the most important part of a mattress purchase is the quality and durability of the materials in a mattress (not the brand) because this will determine the durability of the mattress as a whole and the useful life of a mattress relative to each person.
Because a mattress is only as durable as its construction and the durability of the materials inside it … the only way to know the durability of a mattress relative to other mattresses you are considering is to know the type and quality of all the materials inside it. Once you know this information you can identify any weak links in the mattress using the guidelines here and make meaningful comparisons to other mattresses. Without this information you would be making a completely blind purchase in terms of durability. There is also more about all the many variables that affect durability and the useful life of a mattress in post #4 here.
So you would need to find out (or confirm) the type and quality of all the layers and components in each of the mattresses you are considering to make an informed choice about a mattress in terms of durability.
Some comments about each of the mattresses you are considering:
While Tempurpedic doesn’t disclose the quality of their materials on their site … to the best of my knowledge the layers are …
Tempur-pedic Cloud Supreme Breeze
Cover
Tempur-Breeze & Microsuede
100% Polyester
Comfort Layers
2" TEMPUR-ES comfort layer 4.1 LB
2" TEMPUR Support Layer 5.3 LB
Support System
Dual Airflow System
3.5" Airflow Base layer 2.2lb
3.5" Airflow Base layer 2.2lb
There are no obvious weak links in this mattress and it would be a suitable choice for those that aren’t in a higher weight range.
Tempur-pedic Cloud Luxe-Breeze:
Cover
Tempur-Breeze & Microsuede
100% Polyester
Comfort Layers
2.75" Tempur-ES Breeze 4.1 LB
2 inches Tempur-Climate HD 7.1 LB
Support System
8.25" dual airflow system (probably also 2.2 LB)
Same comments as the Tempurpedic Cloud Supreme Breeze.
Optimum Sealy Posturpedic Elation Gold:
Cover
Stretch Knit Cover
Comfort Layers
2" Gel Infused Memory Foam 3.7 LB
4" Gel Infused Memory Foam 4 LB
Support System
7" Gel OptiCore 1.5 LB Density
These are “just barely” in the density range I would be comfortable with for most people unless they were in lighter weight ranges. 3.7 is a little below the 4 lbs I would normally suggest but is “close enough” and then there is an additional 4" of 4 lb memory foam below this which is a medium density memory foam so overall it has 6" of medium density memory foam which would be less durable than the Tempurpedics.
Dormeo 8500:
As you can see in post #33 here … Dormeo also doesn’t provide their specific foam densities but to the best of my knowledge (and based on their previous lineup) they are …
Comfort Layers
1.5" 3 LB memory foam
3" 5 lb memory foam ecocell
Support Layers
2" 2.5 - 3.5 lb polyfoam ecocell
2" 3.5 lb ecocell zoned
3" 2.5 lb ecocell
The 1.5" of lower density 3 lb memory foam is also “on the edge” but still in the “OK range”. The rest of the materials are good quality/density but it’s somewhat of an unknown how the octaspring construction will fare in terms of durability compared to the same density materials in a solid layer because they haven’t been out for long enough to know with certainty.
Overall … if you were making a choice based strictly on durability (which I don’t believe is a good idea) I would say that the two Tempurpedic models would be the more durable of these 4 choices although 4 lb memory foam isn’t as durable a material as higher density memory foam in the 5 lb and higher range.
Phoenix