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Upgrade the memory of your 2020 iMac up to 128GB
Upgrade the memory of your 2020 iMac up to 128GB

Photoshop CS6 RAW Conversion

Photographers shooting raw files need to convert them to TIF or JPEG for best quality (in-camera JPEG is low quality in virtually all digital cameras).

Conversion using Adobe Camera Raw in Photoshop CS6 13.0.3.

Nikon D800E 14-bit RAW to 16-bit TIF uncompressed

The Mac Pro easily outpaces the iMac here, and surprisingly even the MacBook Pro with Retina display 2.7 GHz does so also.

These results were double-checked for the iMac including using the OWC Mercury Accelsior+ Helios to verify that I/O speed wasn’t the cause (a 7 second improvement was seen, e.g., 342 seconds).

Observation of CPU usage suggests that the extra cores of the Mac Pro systems was a factor here.

Photoshop CS6 convert 100 Nikon D800E 36MP 14-bit RAW to 16-bit uncompressed TIF
Late 2012 iMac 3.4 with GHz NVIDIA GeForce GTX 680MX 2GB *

Nikon D800E 14-bit RAW to max-quality JPEG

The iMac is about the same speed as the MBP Retina, faster than the 6-core Mac Pro, but slightly slower than the 12-core.

Photoshop CS6 convert 100 Nikon D800E 36MP 14-bit RAW to max-quality JPEG
Late 2012 iMac 3.4 with GHz NVIDIA GeForce GTX 680MX 2GB *
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