Graphics performance is easily an order of magnitude faster than your current integrated graphics card, and the RAM help as well. But the card draws 120 W (if in use), so power consumption will go up, and if your PC has a PSU that doesn't have enough spare capacity (e.g 300W), system stability will become an issue. Recommended for this card is a 450W (or higher) PSU, but if you don't have anything connected to the PC that draws a lot of power and your PC already has a 400W PSU, that will work just fine. If your PSU is 300W or lower, you'll need to spend another 40-50.- on a 500W PSU.