Shift 2 ATI RADEON 5470 512MB HELP

Right so I got myself a copy of Shift 2 for my laptop.It meets the minimum system requirements but this is what it looks like to play.All settings at at their lowest.Any ideas.
Pavillion DV6-3182EA
i5 Processor
Ati Radeon 5470 512mb
4Gig ram
 
And judging by my experience with C.A.R.S. the minimum won't even let you race ALONE without stuter. I upgraded the graphics card AND the PSU (otherwise computer shutdown because of the power hungry gtx560 ti)
 
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