Yes it will run and be a huge improvement but what PSU do you have? The 780 is recommended to be run with a good quality 600w although a high end 550w would be ok but it needs 42A on the 12v rail.
Yes it will run and be a huge improvement but what PSU do you have? The 780 is recommended to be run with a good quality 600w although a high end 550w would be ok but it needs 42A on the 12v rail.
The 780 is power hungry by modern standards and for a gaming pc you should never cheap out on the PSU, its the most important component as it feeds everything and spends long periods of time under high load. Also if a psu does fail it can damage other components so quality of the unit is very important, wattage ratings on their own are meaningless.