Intel Celeron G6900's Advantages
Released 4 years and 8 months late
Integrated graphics card
Higher specification of memory (DDR5-4800 vs DDR4-2666)
Newer PCIe version (5.0 vs 3.0)
Higher base frequency (3.4GHz vs 3.3GHz)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (46W vs 140W)
Intel Core i9 7900X's Advantages
Larger memory bandwidth (79.47GB/s vs 76.8GB/s)
Larger L3 cache size (14MB vs 4MB)