I would be more than surprised if they don't. They are always pretty cute throat at it with each other and have been known to make last minute changes in specs.
My guess is that Sony will bump up GPU clockspeeds and add more RAM. Supposedly up to 20GB could be added(on xbone gen x series motherboard, so I'm thinking from a cost perspective, Sony could add 4GB DDR4 Ram for the OS, and dedicate the 16GBGDDR6 for games giving them 3GB more RAM for games.
My guess is that Sony will bump up GPU clockspeeds and add more RAM. Supposedly up to 20GB could be added(on xbone gen x series motherboard, so I'm thinking from a cost perspective, Sony could add 4GB DDR4 Ram for the OS, and dedicate the 16GBGDDR6 for games giving them 3GB more RAM for games.