你錯了 Intel HD Graphic 確實有支援 OpenCL/OpenGL Acceleration 但是效能還是低於一般的顯卡
而一般處理器的內顯 (HD Graphics 4600/4400) 並沒有對繪圖程式最佳化 Xeon E3 處理器的 P4600/P4700 才有這個功能 官方文件上有載明: If your systems are to be employed by users of applications like the Autodesk AutoCAD*/Inventor*/Revit*; Adobe Premiere,* Adobe Photoshop,* After Effects,* SolidWorks* and other similar volume professional software applications, the Intel Xeon processor E3-1200 v3 product family with Intel HD Graphics P4600 offers competitive performance to entry-level professional discrete graphics cards.