AMD Ryzen 9 7945HX 's Advantages
Released 5 years and 3 months late
Higher specification of memory (DDR5-5200 vs DDR4-2400)
Larger memory bandwidth (83.2GB/s vs 35.76GB/s)
Newer PCIe version (5.0 vs 3.0)
Higher base frequency (2.5GHz vs 2.2GHz)
Larger L3 cache size (64MB vs 4MB)
AMD Ryzen 7 2700U 's Advantages
Better graphics card performance
Lower TDP (15W vs 55W)