Intel Core i5 7640X 's Advantages
Higher base frequency (4.0GHz vs 3.4GHz)
Larger L3 cache size (6MB vs 4MB)
Intel Celeron G6900 's Advantages
Released 4 years and 8 months late
Integrated graphics card
Higher specification of memory (4800 vs 2666)
Larger memory bandwidth (76.8GB/s vs 42.7GB/s)
Newer PCIe version (5.0 vs 3.0)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (46W vs 112W)