Based on earlier rumors, this second refresh of the Polaris series will offer somewhat higher clockspeeds. You can expect 10-15 percent higher performance. Pricing and availability is still unknown, but it will likely arrive in November.
It’s real! Not really exciting, but real … #RadeonRX590 #Polaris #Polaris30 #ReRefresh pic.twitter.com/vvfQl6O0HR
— Andreas Schilling (@aschilling) October 29, 2018