The XPS 15 7590 is less than two weeks old, but consumers are already realising that the device retains some of the issues that plagued its predecessors. 75 °C throttling and no S3 sleep sound familiar to anyone? At least Dell appears to have resolved DPC latency issues with the new XPS 15 though.
https://www.notebookcheck.net/XPS-15-7590-No-DPC-latency-issues-but-75-C-throttling-and-no-S3-sleep.426999.0.html