Intel Core i7 7820X 's Advantages
Higher base frequency (3.6GHz vs 1.3GHz)
Intel Core i7 14700T 's Advantages
Released 6 years and 8 months late
Higher specification of memory (5600 vs 2666)
Larger memory bandwidth (89.6GB/s vs 79.47GB/s)
Newer PCIe version (5 vs 3.0)
Larger L3 cache size (33MB vs 11MB)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (35W vs 140W)