Opteron 13KS EE 's Advantages
Higher specification of memory (1333 vs 3)
Intel Xeon E3 1260L 's Advantages
Released 2 years late
Newer PCIe version (3 vs 2)
Higher base frequency (2.4GHz vs 2GHz)
Larger L3 cache size (8MB vs 6MB)
More modern manufacturing process (32nm vs 45nm)
Lower TDP (45W vs 50W)