AMD Ryzen 9 7900X 's Advantages
Released 8 years and 8 months late
Integrated graphics card
Higher specification of memory (DDR5-5200 vs DDR3-1600)
Newer PCIe version (5.0 vs 3)
Higher base frequency (4.7GHz vs 2.6GHz)
Larger L3 cache size (64MB vs 6MB)
Pentium 1403 V2 's Advantages
Lower TDP (80W vs 170W)