I came across this testing which seems like it would fit well in here. There is MUCH more information than the picture I cut out, so be sure to click on the link and give it a read!
http://www.overclock.net/t/1287684/strens-2012-cpu-water-block-roundup/10#post_17813018
http://www.overclock.net/t/1287684/strens-2012-cpu-water-block-roundup/10#post_17813018