Low power PSU energy efficient card will run on 300watt PSU with about 18-20 amps on the +12 volt rail HD5670.
For 15% more performance 9800GT needs a PSU with 24amps on the +12 volt rail.
Low power PSU energy efficient card will run on 300watt PSU with about 18-20 amps on the +12 volt rail HD5670.
For 15% more performance 9800GT needs a PSU with 24amps on the +12 volt rail.