Intel Xeon E5645 's Advantages
Larger L3 cache size (12MB vs 8MB)
Intel Xeon E 2334 's Advantages
Released 11 years and 6 months late
Higher specification of memory (DDR4-3200 vs DDR3)
Newer PCIe version (4 vs 2)
Higher base frequency (3.4GHz vs 2.4GHz)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (65W vs 80W)