antonz said:Honestly unless its the 4850 or 4870 the R770s would be a poor choice to build from. The R740 4770 outperforms the 4830 and 4730 and has a smaller power usage
Apples to oranges though. All 4000 series cards were 55nm cards except for the 4770 which came later than the others at 40nm as it was used to test the new node process that was going to be used for the 5000 series.