Something that most people will agree on is that All Clad does have the better construction quality out of these two brands. The reason why this cookware is usually considered better is because fully clad cookware provides great heat conduction and even heating throughout the cookware. This layering of metals produces a truly stunning performance every time.
There are various All Clad cookware lineups which feature a full 5 layers, which alternate between various conductive metals. These are all extremely strong and they feature great heat conduction. All Clad also has a few collections that integrate copper into the lineup, with copper being one of the best heat conductors out there.
In regard to the stainless steel models, unfortunately, Tramontina does not have any cookware that features 5 layers or copper. The best which you will get with Tramontina is triple clad or tri-ply. It’s not like Tramontina cookware is bad by any means, but when it comes to construction quality and durability, it really doesn’t compare to the All Clad brand name.
When it comes to the nonstick side of things, both Tramontina and All Clad are fairly close, with All Clad offering better construction quality, but both brands being about equal in terms of heat conductivity and overall performance. Both brands feature nonstick coatings made of 3 layers of hard-anodized aluminum. Either way, when it comes to overall construction quality across the board, All Clad is a little better than Tramontina.