You want to compare two different coaxial cables?
Here you can see at first sight the characteristics of each coaxial cable, possibly from different manufacturers.

Question: Which is the right cable for my application?

For applications up to 1GHz we recommend the RG174, for applications up to 2.5GHz we recommend the RG179, RG188, RG187 or RG316. For applications above 2.5Ghz we recommend the use of low loss cable such as SS405, Multiflex_86 or CLF100. Due to the used materials and the cable structure, those cables are suitable for high frequencies (see …