Dorema Ten Cate fabric or Weathertex 4000mm

mfep

Our 2 year old  Kampa Rally 260 porch roof is definitely leaking when it rains, it's not just 'condensation'.  Thinking of upgrading to Dorema Omega XL or Magnum 390 porch awning.  The first uses 'Ten Cate' coated polyester, the latter 'Weathertex 4000mm'
polyester.  Google can't help me with a comparison of the two fabrics for colour fastness, and waterproofness.  Can anyone help? Many thanks.