I'd look towards the options now becoming clearly available for a 2018 refresh assuming it's coming in 2018.
AMD GPUs this year are looking like rebadges (stick an X on the end of the AMD 500 series). No sign of a proper mobile Vega - the i5-8305g (2.8GHz 4 cores, 8 threads) is allegedly more a Polaris than a proper Vega unit. Since that CPU has 4 cores, 8 threads there seems to be a clear delineation between that and using a true 6 core, 12 thread Coffee Lake mobile CPU (eg i7-8850H at 2.6GHz) and adding a discrete warmed over AMD 500 series GPU to it.
Would Apple dare to use the much-hyped i9-8950HK at 2.9GHz 6 cores, 12 threads?
Would Apple use the 4 core, 8 thread Kaby Lake G CPUs as a cheaper low end 15" option with 6 core + discrete 500X GPU as the high end SKU? Could making the touch bar optional further reduce the entry price to 15" MacBook Pro?
It seems certain that all 13" MacBook Pros with touch bars will move to 4 cores, 8 threads with Iris Graphics. There are no 15w parts with Iris Graphics though - so that could leave the non touch bar Pro models in question unless Apple merge the two lines to use 28w CPUs.
That leaves us the MacBook Air which does at least have a quad core 15w part available but we can't be sure what will happen to the rest of the (now dated) design despite the available old style ports. The UHD 620 powered CPU probably won't have to power a retina screen but could it continue with the old ports?
There's no 5w Y parts for yet announced for the Retina MacBook. Perhaps they will be refreshed in October when something possibly shows up?
AMD GPUs this year are looking like rebadges (stick an X on the end of the AMD 500 series). No sign of a proper mobile Vega - the i5-8305g (2.8GHz 4 cores, 8 threads) is allegedly more a Polaris than a proper Vega unit. Since that CPU has 4 cores, 8 threads there seems to be a clear delineation between that and using a true 6 core, 12 thread Coffee Lake mobile CPU (eg i7-8850H at 2.6GHz) and adding a discrete warmed over AMD 500 series GPU to it.
Would Apple dare to use the much-hyped i9-8950HK at 2.9GHz 6 cores, 12 threads?
Would Apple use the 4 core, 8 thread Kaby Lake G CPUs as a cheaper low end 15" option with 6 core + discrete 500X GPU as the high end SKU? Could making the touch bar optional further reduce the entry price to 15" MacBook Pro?
It seems certain that all 13" MacBook Pros with touch bars will move to 4 cores, 8 threads with Iris Graphics. There are no 15w parts with Iris Graphics though - so that could leave the non touch bar Pro models in question unless Apple merge the two lines to use 28w CPUs.
That leaves us the MacBook Air which does at least have a quad core 15w part available but we can't be sure what will happen to the rest of the (now dated) design despite the available old style ports. The UHD 620 powered CPU probably won't have to power a retina screen but could it continue with the old ports?
There's no 5w Y parts for yet announced for the Retina MacBook. Perhaps they will be refreshed in October when something possibly shows up?