Dynamic resolution games will run better on Scorpio, and downsampled 4K games will "look different than the game running at 1080p", Spencer confirms.
Andrew House questioning decision to announce console "over a year ahead of time".
Same game will work across both consoles, Sony confirms.
Microsoft doesn't focus on outselling PS4.
But decided against it to focus on a "true 4K console".
Spencer advises 1080p players to buy an Xbox One S instead.
Pick up a 500GB model with FIFA 16 for £208, Elite for lowest ever price.
Will all be playable on Xbox One too, says Spencer.
Says Microsoft Studios isn't being bettered by Sony's studios.
Scorpio will benefit games currently using a dynamic resolution.
Microsoft won't abandon existing Xbox One owners.
Shoots down reports the new system's hardware will provide boosts to frame rate and resolution.