Not too flash in Cinebench unfortunately... clock for clock it is slower than Core2 in this benchmark.
http://www.dailytech.com/Quick+and+Dirty+AMD+K10+Cinebench/article7574.htm
http://www.dailytech.com/Quick+and+Dirty+AMD+K10+Cinebench/article7574.htm
Cinebench completed the default benchmark in 27 seconds for the 1.6 GHz K10; 17 seconds for the Intel Xeon X3220. The Kentsfield Xeon was 58% faster with a 50% higher clock frequency for Cinebench