AMD Ryzen 9 5900 's Advantages
Higher base frequency (3.0GHz vs 1.6GHz)
Larger L3 cache size (32MB vs 12MB)
Intel Core Ultra 5 135UL 's Advantages
Released 3 years and 3 months late
Higher specification of memory (5600 vs 3200)
Larger memory bandwidth (89.6GB/s vs 51.2GB/s)
Newer PCIe version (4 vs 4.0)
Lower TDP (15W vs 65W)