Buy An Official Apple External GPU On MacBooks And iMacs
The GPU is based on a tweaked version of AMD’s Polaris chip design that made its debut in the middle of 2016. The card consists of 2,304 stream processors, 144 texture units, and 32 render output units.
New iMac Pro: Fastest Mac Packed With 18-core Zeon Processors & Radeon Pro Graphics
The new Apple iMac Pro will start at a price of $4,999 in the US and will be available in December. Apple also updated the standard iMac line with new 7th generation Intel Core i5 and i7 processors.