According to the document (page 10), the PowerPC 970FX is the 90nm version of the PowerPC 970 (G5). A comparison chart reveals that the 970FX consumes 24.5W at 2.0GHz while the original 970 consumes 51W at 1.8GHz. The 970FX speeds are only listed as 1.4-2.0+ GHz, however, revealing no information as to the top speed of the chip, though the Bus of the new chip reaches 1.1GHz (vs 1.0GHz of the PowerPC 970).
The 90nm PowerPC is widely expected to power the next PowerMac revisions, and are currently being used in the recently updated Xserve G5s. The 970FX was first referenced in this rumor report but few other processor details accompanied that report.
Apple once developed "M2 Extreme" and "M3 Extreme" chips for the Mac Pro, but it decided not to release them, according to Bloomberg's Mark Gurman. He first reported on this topic in 2022, and he touched on it again in his Power On newsletter today.
"Extreme" chips would have had twice as many CPU and GPU cores as Apple's "Ultra" chips.
"The idea was to offer twice as many graphics and...
Apple developed two Mac Pro models in recent years that never made it to market, according to Bloomberg's Mark Gurman.
In his latest "Power On" newsletter, Gurman revealed that Apple internally developed two unreleased Mac Pro projects codenamed J170 and J190 before ultimately discontinuing the machine altogether.
As for new Mac Pro hardware, there were two additional models developed by...
Wednesday July 29, 2026 11:39 am PDT by Joe Rossignol
Apple is developing an all-new operating system that is essentially a mix of tvOS, watchOS, and iOS, according to Bloomberg's Mark Gurman.
In a report this week, he said the operating system will feature a grid of icons, widgets, and apps, along with customizable clock faces.
The new software platform is intended for Apple's long-rumored smart home hub. With built-in facial recognition,...
Apple's first foldable iPhone, with a book-style design featuring a ~5.5-inch outer display and a ~7.8-inch inner display with a minimal crease down the middle.
