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iMac 5K (Late 2015) vs Mac Pro: Convert 50-Megapixel RAW Files to JPEG (Adobe Camera Raw)
Related: Macs, 4K and 5K, workflow, software, Mac Pro, iMac, digital sensor technology, iMac 5K, Adobe Camera Raw, Mac
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The two machines tested here are the fastest possible CPUs as of late 2015. The iMac 5K as tested here is well into Mac Pro pricing territory, approaching $4K as configured, though of course it includes the display.
Raw file converson to JPEG
This test is a real-world task relevant to Adobe Photoshop or Adobe Photoshop Lightroom users: convert raw files to JPEG. Disk I/O is not a significant factor, accounting for only a few seconds of a 2+ minute job.
The 1.8% speed difference between 32GB and 64GB memory in the iMac 5K is within the margin of error. However, it was a repeatable finding with no obvious explanation.
The 8 CPU cores of the 3.3 GHz Mac Pro give it an advantage in this test; Photoshop ACR processes multiple raw files simultaneously.
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