It may look the same outside, but the MacBook Air got overhauled on the inside.
In the case of the solid-state drive (SSD) and graphics, it's a major overhaul.
SSD: Apple appears to be one of the first to stick a PCI Express (PCIe) SSD in a thin laptop. And that makes a huge difference, according to Anand Shimpi of Anandtech.
"This is a huge deal, totally the future. And pretty much all other notebooks announced at Computex still use [Serial ATA]. Apple did the right thing here," Anand said in response to an e-mail query.
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