Temps, and power-draw
[graph 2134][graph 2135]
[graph 2136]
The new cooler does a very good job at keeping the two GPUs cool...without causing a racket.
Power consumption
[graph 2129]
[graph 2130]
Often overlooked, idle power-draw is important. Here, NVIDIA's best card has a significant lead over ATI's, to the tune of 55W over a system-wide evaluation. That's around £15 per year in electricity costs, based on a 40-hour week. Load power numbers are closer.