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2019 iMac 5K: Server Startup

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/ using any link from this site or, ditto for OWC/ See also 2019 iMac 5K: Recommended Models and Accessories.

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


When developing server-side code, I often have to reboot my server as many as 50 times a day, so a speedup on this task is a huge plus.

2019 iMac 5K


This test measures the time for a web server to startup and to scan and preprocess around 13000 HTML files. It is a good proxy test for any kind of I/O and CPU intensive web server or similar processing load.

The scalability is excellent, given how I/O intensive this test is (about 13000 files to be read during the task). The 2017 iMac 5K takes 74% longer than the 2019 iMac 5K—big win for the 2019 iMac 5K.

2019 iMac 5K vs 2017 iMac 5K: focus stacking in Zerene Stacker
"Vega64" should read "Vega48"

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