Intel Xeon W 2102 's Advantages
Released 7 years and 5 months late
Higher specification of memory (DDR4-2666 vs DDR3)
Newer PCIe version (3 vs 2)
More modern manufacturing process (14nm vs 32nm)
Intel Xeon X5670 's Advantages
Higher base frequency (2.933GHz vs 2.9GHz)
Larger L3 cache size (12MB vs 8.25MB)
Lower TDP (95W vs 120W)