There have been cases where a single user in compatibility mode have saturated a WAN connection. with Intel Iris Pro Graphics, each high-density, modular server delivers four physical cores and dedicated, powerful, professional- and workstation-quality graphics performance for the user, hosted in a high-density platform (such as the Citrix WorkspacePod™). High CPU usage during video playback which made the entire session sometimes unresponsive.
Citrix graphics engine high cpu Edge offloads the largest part of the workload to the GPU, but that comes at the prices of high GPU utilization.