iSpeedtestOSiOS 17.3 Beta 2 scores in Geekbench about the same as Beta 1 for me:
Single-core: -2 points
Multi-core: -5 points
Metal: +6 points
iOS 17.3 Beta 1 scores in Geekbench almost exactly the same as iOS 17.2 for me:
Single-core: -1 point
Multi-core: -1 point
Metal: +2 points
iOS 17.3 Developer Beta 1 has been released by Apple!
Build: 21D5026f
You can expect Public Beta 1 to be available later this week.