Radeon HD 7950 Mac 

Namely, while the iMac used its dGPU exclusively the MacBook Pros all used switchable graphics, which means that the MacBook Pros are often being driven by their iGPU rather than their dGPU.

While the 2011 iMac and MacBook Pros use different GPUs, both systems use GPUs from AMD’s Radeon HD 6000M series, with the iMac using the higher-end 6970M while the MacBook Pros used the 6490M, 6750M, and 6770M GPUs.

This is a significant win for AMD, but the real winner is Intel since most Apple notebooks will continue using integrated Intel HD or Iris graphics.

We are not sure what Nvidia did to upset Apple, but this round of devices will be powered either by Intel integrated graphics or AMD discrete graphics.

To make matters worse, MacBook Pro owners are also seeing frequent reboots to a gray screen.

Some Apple users are starting to mutter heresy about design flaws which cause heating problems.

Non-proprietary Torx screws are used throughout, and several components can be replaced independently.

The very much famous Michael Kukielka has released his Apple Mac Pro benchmark video.