Intel Core i9 9960X 's Advantages
Released 4 years and 2 months late
Higher specification of memory (DDR4-2666 vs DDR4-2133)
Larger memory bandwidth (85GB/s vs 68GB/s)
Higher base frequency (3.1GHz vs 3.0GHz)
Larger L3 cache size (22MB vs 20MB)
More modern manufacturing process (14nm vs 22nm)
Intel Core i7 5960X 's Advantages
Lower TDP (140W vs 165W)