iSpeedtestOSiOS 17.3 RC scores in Geekbench about the same as Beta 3 for me:
Single-core: -1 point
Multi-core: +6 points
Metal: -2 points
iOS 17.3 Beta 3 scores in Geekbench about the same as Beta 2 for me:
Single-core: -2 points
Multi-core: -2 points
Metal: +0 points
iOS 17.3 Developer Beta 3 has been released by Apple!
Build: 21D5044a
You can expect Public Beta 3 to be available within 24 hours.