Intel Core i9 9940X 's Advantages
Released 4 years and 2 months late
Higher specification of memory (2666 vs 2133)
Larger memory bandwidth (85GB/s vs 68GB/s)
Higher base frequency (3.3GHz vs 3.0GHz)
More modern manufacturing process (14nm vs 22nm)
Intel Core i7 5960X 's Advantages
Lower TDP (140W vs 165W)