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iMac 5K (Late 2015) vs Mac Pro: XCode Build diglloydTools


This test is a real-world task using Apple XCode to diglloydTools.

The shocker is seeing a 4-core iMac 5K outperform a 3.3 GHz 8-core Mac Pro because Apple XCode uses all CPU cores.

iMac 5K (Late 2015) vs Mac Pro: XCode Build diglloydTools

There are two explanations for this astounding result; includes an analysis of CPU usage which explains how 4 CPU cores can beat 8 CPU cores.

One explanation (SSD speed) points out just how important the new Thunderbolt 3 standard will be to high performance systems: Thunderbolt 3 includes support for NVM Express, which will allow external SSDs capable of 2.4 GB/sec speeds.

More and more, the late 2015 iMac 5K looks to be Apple’s highest performing Mac for many purposes. The late 2013 Mac Pro, even a 3.3 GHz 8-core CPU, is looking positively geriatric in performance terms.

See diglloyd enhancement kits for late 2015 iMac 5K as well as iMac 5K: Building a High-Performance Configuration.

XCode Build diglloydTools
late 2015 iMac 5K 4.0 GHz M395X vs 2013 Mac Pro 3.3 GHz 8-core
CPU usage of late 2015 iMac 5K during XCode build of diglloydTools
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