For multi-core operations, the 12 core Xeons still compare pretty well to newer Macs but are very poor for single core. The range of video cards on that site is

For multi-core operations, the 12 core Xeons still compare pretty well to newer Macs but are very poor for single core. The range of video cards on that site is surprisingly decent but the newer PCIe 3.0 cards will be limited by the PCIe 2.0 slot.