Normal gear. Wonder Woman gets bracelets shield sword tiara and lariat. New 62 Wonder Woman and current surfer
Barring Surfer own moral contrive vs Diana she has very little if any advantage going in the fight.
There are 3 different instances of Silver Surfer blowing up an entire planet, under 3 different writers which pretty clearly puts Silver Surfer power good bit above Wonder Woman and that's not even going into his versatility.