i need help with my hp 6305 sff desktop pc

[hadyq35]

i'm a photographer so i use my hp for editing photos in lightroom and so, its a a8 5500b cpu and hd 7560d apu, 8gb 1600 ram only 5.5gb readable so the 2.5 is for the apu im not happy with the gpu performance i dont know why its so weak with lightroom and not as good in gaming so im planing to buy a new cheap gpu any recommendation ??
it doesnt have to be a low profile im going to get a raiser cable extender and thanks.

 

[smorizio]

what the wattage of the power supply in the pc now. if it a 300w unit your going to need to replace it if you dont want to pop it and have the old stock power supply killing your rig.

 

[hadyq35]

what the wattage of the power supply in the pc now. if it a 300w unit your going to need to replace it if you dont want to pop it and have the old stock power supply killing your rig.

i'll get a new psu its not a problem

 

[smorizio]

ook at the 750ti or amd version of it. if you can find a cheap 900 card you can use one of them too.