The Vanguard/Howa is by far the best all things considered, they do however have a shorter barrel.
Tikkas use a different lead and throat system to enhance accuracy but loose substantial velocity in doing so. They too are prone to having shorter barrels.
The Brownings are overlooked so much by the accuracy group that no one pays much attention. That is too bad. They have better engineering and are stronger than the Howa 1500, The strength of the action, precision machining, and factory barrel quality can only be rivaled by the standard Weatherby and outdone by the Accumark.
I have some of each of the above that you have asked about and have compared these in several calibers and separate firearms. The results are the same.
The Nosler 48 is in the same category as the Vanguard buy with a optional longer barrel. Still not the Browning.
I would ask anyone with a opinion on this subject if they have had experience with each one of these to get a honest evaluation not just a personal opinion from a experience with just one, maybe two of these rifles.