Did you even read what he said? You should probably stop refering to a dedicated GPU, as that can mean both a iGPU and a discrete GPU. And while you're at it, stop blathering this nonsense that some people have gotten in their heads that discrete GPUs will always be better, and give you more performance for your money.
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One good way too keep track of rumours is using the Machash.com website or their app. It congregates news from multiple Apple websites (including MacRumours), and puts them into one feed.
Yes, I did read what he said. Doesn't mean I'm going to stop referring to something because he and a few others are looking at it too technical.
I call it a dedicated GPU, always have, always will. Get over it! People know what it means.
And I am one who believes a dedicated GPU, such as the 650m will give me better performance than the crappy Intel graphics 4000.