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Is this gear ration (46-10) more for gravel bikes? How does it compare to 50-11 on a normal road bike?

edit: I found an answer:

The front chainrings are now available in a 50/37, 48/35 and 46/33, with the intention > being to reduce front shifting, allowing the rider to remain in the big ring for longer. By pairing these to wider cassettes that start with a 10t rather than an 11t SRAM has been able to provide more gear range at the back that exceeds the top and bottom gearing of traditional ratio, as well as seven consecutive one tooth changes (incidentally, this is the same as new Campagnolo Super-Record 12 speed) instead of the six with a Shimano cassette.

In comparison to Shimano’s traditional gearing, the 50/37 and a 10-26 cassette is the equivalent of of the 53/39 with a 11-25 cassette. The 48/35 and a 11-28 is the equivalent of a 52/36 with a 11-28 cassette. Finally, the 46/33 with a 10-33 is the same as a 50/34 with a 11-32 cassette.

https://www.cyclingweekly.com/news/product-news/sram-etap-vs-di2-which-is-better-211408