AMD Phenom II X4: 45nm Benchmarked

Performance Analysis: Phenom X4 9950 BE 13.8% Slower

Performance Analysis: Phenom I vs. Phenom II

The higher clock rate and larger L3 cache make a noticeable difference when comparing the first- and second-generation Phenom processors. 

AMD Phenom vs. Phenom II
BenchmarkPhenom II X4 940 Black Edition Vs. Phenom X4 9950 Black Edition
Unreal Tournament 319.8%faster
World in Conflict16.5%faster
Supreme Commander1.5%faster
AVG Anti-Virus 816.1%faster
Winrar 3.8015.9%faster
Winzip 1118.4%faster
Acrobat 9 Professional15.0%faster
Photoshop CS 315.3%faster
Lame MP317.5%faster
Studio 126.9%faster
Mainconcept H.26419.8%faster
Premiere Pro CS3 HDTV17.6%faster
Cinema 4D Release 1017.5%faster
3D Studio Max 917.5%faster
Fritz 1118.1%faster
Nero 8 Recode19.0%faster