ocr: Figure 1: Xmark Performance HP Envizex 20CpS NCD HMXpro 21 SPARCstation 2 Console HP 9000 Model 712/80i Console 0 1 2 3 5 5 7 - Worse Better The. Xmark venckmark compares X window paronnance to that of a SPARCslation 1. Workstation console resuits are included ES intormative references only.