AMD to Strike Nvidia 9500 With HD4600. ati amd nvidia 9500 hd4600. Coming this September 10, AMD plans to unveil its HD4600 series (RV730 XT / PRO) cards to directly compete with the Nvidia 9500 series. Power consumptions of the HD4600 series are relatively low at 70 to 80 Watts for the HD4670 and 50 to 55 Watts for the HD4650. Unless if the HD3800 series were completely phased out and not so readily available, the HD4600 series could take its place with a new price.) A real benefit to this card is quite possibly for a Home Theatre PC in a compact case stuffed into a ventilation restricted entertainment unit. Since the HD4600 series cards have lower wattage....