Mar 20, 2017 - For the Mac User who wants to or are using a Nvidia GPU, we understand that you have a lot of questions. This post is for you.

Mac computers using Intel Iris Graphics as the primary GPU dynamically allocate memory depending on the task. Models with Intel Iris Graphics 550: • MacBook Pro (13-inch, 2016, Four Thunderbolt 3 Ports) and later Models with Intel Iris Graphics 540: • MacBook Pro (13-inch, 2016, Two Thunderbolt 3 Ports) and later Models with Intel Iris Graphics 530: • MacBook Pro (15-inch, 2016) and later Models with Intel Iris Graphics 6100: • MacBook Pro (Retina, 13-inch, Early 2015) Models with Intel Iris Graphics: • MacBook Pro (Retina, 13-inch, Late 2013) • MacBook Pro (Retina, 13-inch, Mid 2014) • Mac mini (Late 2014) with 2.6GHz, 2.8GHz, or 3.0GHz processor. Mac computers using newer Intel HD Graphics as the primary GPU dynamically allocate memory depending on the task. The NVIDIA GeForce 320M allocates a base amount of 256MB for video and boot processes at startup.

Models with NVIDIA 320M: • MacBook Air (11-inch, Late 2010) • MacBook Air (13-inch, Late 2010) • MacBook Pro (13-inch, Mid 2010) • MacBook (13-inch, Mid 2010) • Mac mini (Mid 2010) The NVIDIA GeForce 9400M allocates a base amount of 256MB for video and boot processes at startup. Exception: Mac mini (Early 2009) with 1GB of memory shares 128MB instead. Some Intel-based Mac computers feature both an integrated and a discrete Graphics Processing Unit (GPU).

Others may feature only one GPU, which can be either an integrated or discrete GPU. A discrete GPU provides high-performance graphics support using discrete video memory. An integrated GPU provides effective graphics support and shares video memory with the main system.

For Mac computers with both integrated and discrete GPUs, some models allow you to use macOS to decide which GPU to use for rendering graphics. Other models automatically switch between discrete and integrated graphics depending on the task. For more information on models that switch between integrated and discrete GPUs, see: • •. Information about products not manufactured by Apple, or independent websites not controlled or tested by Apple, is provided without recommendation or endorsement.

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