Intel Xeon X5670 's Advantages
Higher base frequency (2.933GHz vs 2.4GHz)
Lower TDP (95W vs 165W)
Intel Xeon Platinum 8260 's Advantages
Released 8 years and 9 months late
Higher specification of memory (DDR4 vs DDR3)
Larger L3 cache size (35.75MB vs 12MB)
More modern manufacturing process (14nm vs 32nm)