The 3DMark Vantage Catalyst hotfix driver includes bug fixes and performance enhancements.
Please be sure to use this hotfix driver when running 3DMark Vantage
Select the 737-33840: 3DMark Vantage Hotfix
http://support.ati.com/ics/support/default.asp?deptID=894
http://support.ati.com/ics/support/KBAnswer.asp?questionID=33840
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ATI Catalyst 3DMark Vantage 'hotfix' released