Nothing in the article says that it's due to performance reasons, only due to budget reasons.
If there was enough ROI the company would draw down debt if needed but would roll out Carrizo for desktops. The fact they chose not to is that the perceived trade off (additional debt) is forecast to be larger than the ROI of desktop Carrizo, and the reason for that is that it wouldn't be an increment in performance enough to fetch a given price and volume on the market enough to cover development costs.
In other words, Carrizo for desktop wasn't worth bothering to AMD management team, so they decided to can it.
Last edited: