It is virtually impossible to compare the mattresses you mention, as they are constructed using different methods than our own Artisan Bespoke 002.
Also the manufacturers of the other mattresses, don’t tell you exactly how much of each component the mattresses have, which makes a difference to how the mattress will feel overall.
I can tell you that the Artisan Bespoke 002 has a similar feel to a Vi spring Tiara Superb, so it might be worth going to find a local stockist of that mattress, and see if it ticks all your support and comfort boxes.
A comfortable mattress comprises of two parts, the correct support from the spring system for your body weight, and comfort layers on top of the spring unit, to create your desired comfort feel, some mattresses will feel firmer than others and vice versa.
If you require any further assistance please call the office on 0161 945 3757.