Opteron 4340 's Advantages
Higher base frequency (3.5GHz vs 3.2GHz)
Intel Xeon E 2356G 's Advantages
Released 8 years and 9 months late
Higher specification of memory (3200 vs 3)
Larger L3 cache size (12MB vs 8MB)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (80W vs 95W)