How much performance decrease would I have if upgrading the gpu to HD 7850
My Specs
OS: Windows 7 32 bit
CPU: AMD Athlon II X4 630 2,8 GHZ Quad Core
GPU: Sapphire Radeon HD 5670 1GB GDDR5
PSU: Cooler Master 420 W
Monitor: Viewsonic VT2205LED(Max res: 1920x1080)
My Specs
OS: Windows 7 32 bit
CPU: AMD Athlon II X4 630 2,8 GHZ Quad Core
GPU: Sapphire Radeon HD 5670 1GB GDDR5
PSU: Cooler Master 420 W
Monitor: Viewsonic VT2205LED(Max res: 1920x1080)