![]() ![]() In terms of CPU, most CAD applications only use a single CPU core. In this respect, our Inventor graphics test could actually be considered to be a CPU test. An extreme example of this is Inventor, whose graphics performance is dictated entirely by the speed of the CPU. In some applications in order to boost graphics performance it is more important to increase the speed of the CPU than to buy a more powerful graphics card. In all 3D applications the faster the GHz of the CPU, the faster the graphics performance. While the raw power of the graphics card is important for 3D, performance is also governed by the speed of the Central Processing Unit (CPU). The model features complex geometry and has RealView switched on to increase the load (and importance) of the graphics card This standard SolidWorks assembly of an underwater camera is tested with a rotation script. However, as the level of detail varies according to how powerful the workstation is we switch this setting off when testing. To avoid this, some applications, including SolidWorks and 3ds Max, can automatically reduce the level of detail of the geometry to a point where consistent frame rates can be maintained. When 3D graphics become too jerky it becomes very hard to work fluently. The faster the ‘frames per second’, the smoother the 3D experience for the end-user. Of course there’s no substitute for testing all of the major 3D applications, but to do this we would need to dedicate an entire magazine (and our lives) to this cause.Įach application benchmark runs a script that manipulates a 3D model along a set path and rotation and measures the average number of frames it can display each second. While all applications work differently, we believe these applications give a good cross section of the kind of performance you can expect from most 3D software. Because Inventor is limited by the speed of the CPU, it is the CPU, not the graphics card that dictates performanceįor 3D graphics performance we use SolidWorks 2009, 3ds Max Design 2010, and Inventor 2010. Heavy machinery manufacturer Mastenbroek provided the model for this test which measures graphics frame rates. ![]()
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