AMD Ryzen 9 Pro 7940HS 's Advantages
Released 3 years and 3 months late
Higher specification of memory (7500 vs 4266)
Larger memory bandwidth (89.6GB/s vs 68.27GB/s)
Newer PCIe version (4.0 vs 3.0)
Higher base frequency (4.0GHz vs 3.0GHz)
Larger L3 cache size (16MB vs 8MB)
More modern manufacturing process (4nm vs 7nm)
AMD Ryzen 9 4900HS 's Advantages
Lower TDP (35W vs 54W)