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.3DMDEF File Extension

File Type3DMark Definition File

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CategoryData Files

What is a 3DMDEF file?

Settings file used by 3DMark, an application that enables users to benchmark the 3D gaming capability of a Windows computer; contains settings that define the 3DMark test; includes command-line options, number of benchmark loops, and scaling modes.

More Information

Default 3DMDEF files are located in the following directory:
C:\Program Files\Futuremark\3DMark\

Each benchmark test uses a 3DMDEF file. Some examples of 3DMDEF files included in 3DMark are icestorm.3dmdef, skydiver.3dmdef, firestrike.3dmdef, and cloudgate.3dmdef.

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Programs that open 3DMDEF files
Updated 12/15/2014

About 3DMDEF Files

Our goal is to help you understand what a file with a *.3dmdef suffix is and how to open it.

The 3DMark Definition file type, file format description, and Windows programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and only publish information about file formats that we have tested and validated.

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