Help with graphics

ok so i got an amd a6 3670k with on board radeon hd 6530d it has 8gb ddr3 1333mhz ram and 300 watt power supply. basically im going to add a sapphire amd radeon 7750 1gb and was wondering if i needed higher power supply and if so recomended watt.
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  1. one question, how come you have opted to go for a cpu with integrated graphics when you are getting a dedicated card. But to awnser your question it should be able to work fine with a 300Watt psu however you may want to upgrade to at least a 450Watt as the amd cpu has a tdp of 100Watts

    The 7750 has the following power draw
    System in IDLE = 155W
    System Wattage with GPU in FULL Stress = 188W
    Difference (GPU load) = 33W
    Add average IDLE wattage ~10W
    Subjective obtained GPU power consumption = ~ 43 Watts

    So in theory your psu can power your pc, but make sure it a good quality one or just go out and buy a new 450 watt psu to ensure that your system is stable with these components
  2. If you do decide to get a new power supply, I suggest Seasonic. They make some great low wattage psus too. 450w would be perfect for your build.
  3. k thanks guys and the reason im geting onboard system is because the pc was only £250. ive also decided to save for beter card so ill need new motherboard to. but the current spec can run guild wars 2 fine so thats all that matters right now.
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