Xeon E6510 's Advantages
Larger L3 cache size (12MB vs 8.25MB)
Lower TDP (105W vs 140W)
Intel Xeon W 2133 's Advantages
Released 7 years and 5 months late
Higher specification of memory (2666 vs 1333)
Newer PCIe version (3 vs 2)
Higher base frequency (3.6GHz vs 1.733GHz)
More modern manufacturing process (14nm vs 45nm)