is this a cool pc

[iou]

http://www.hardwareheaven.com/reviews/10...cking.html

Though I noticed the 470 and 480 is a lot worse.
In general the 400 series use more power, has higher temperatures but delivers less than the 500 series.
Whilst the 500 series use less power, lower temperatures but delivers more than the 400 series.

Also, the prices are quite similar.