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2019 iMac 5K: Convert RAW Files to JPEG With Adobe Camera Raw (Nikon D850)

MPG tested the 2019 iMac 5K 3.6 GHz Intel Core i9 8-core / 128GB / 2TB / Radeon Vega 48. Purchase with 8GB memory, then add 64GB or 128GB OWC memory. See recommended Macs for photographers and videographers.

These tests made possible by loaner gear from B&H Photo and OWC, so please buy your gear at B&H Photo and OWC/MacSales.com using any link from this site or MacPerformanceGuide.com, ditto for OWC/MacSales.com. See also 2019 iMac 5K: Recommended Models and Accessories.

Unsure which Mac to get or how to configure it? Consult with Lloyd.

About

2019 iMac 5K

This test is a real-world task relevant to Adobe Photoshop and Lightroom: batch convert raw files to JPEG. Disk I/O is not a significant factor.

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Raw file conversion to JPEG — Nikon D850 45-megapixel NEF lossless compressed

Nikon D850 raw files are compressed, and may reduce parallelism.

Double the CPU cores makes for a substantial gain in speed with the 2019 iMac 5K, with the 2017 iMac 5K taking 40% longer. That’s not double, but it’s a very solid improvement.

2019 iMac 5K: Convert 100 Sony 7R III 42-megapixel raw flies to JPEG
"Vega64" should read "Vega48"

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