AMD Ryzen 9 4900H 's Advantages
Higher base frequency (3.3GHz vs 2.3GHz)
Lower TDP (35W vs 35W)
Intel Core Ultra 9 185H 's Advantages
Released 3 years and 9 months late
Higher specification of memory (LPDDR5-7467 vs LPDDR4X-4266)
Larger memory bandwidth (120GB/s vs 68.27GB/s)
Newer PCIe version (5.0 vs 3.0)
Larger L3 cache size (24MB vs 8MB)