More info and DownloadNow that DX11-class graphics cards, like Radeon HD 5000 series or GeForce GTX 400 series, are more and more popular, it was time to release a new benchmark for these modern cards. This new GPU tool, called TessMark, is small synthetic graphics benchmark focused on one of the killer features of Direct3D 11 and OpenGL 4 capable cards, I mean the GPU tessellation.