Yes, at first glance it would seem so. I've been able to achieve low temps because of the extensive cooling mods I've designed into my case, so the result is nearly perfect airflow with positive pressure inside the case. 38c idle, 52c full load at 3.7Ghz with a fair bit of vCore.
Also, the ATI X1900 series discharges it's heat through the back of the case, so it doesn't create heat polution inside the case, which would cause all the system components to run warmer. It was a lot of work, but it works extremely well, so it was worth all the effort.
I think that Tecno-Sponge probably has a temp sensor that's a liitle off. Room temp at full load with stock vCore and a moderate OC just isn't right.