Intel Core i9 12900E 's Advantages
Integrated graphics card
Newer PCIe version (5 vs 4)
Higher base frequency (2.3GHz vs 1.4GHz)
Larger L3 cache size (30MB vs 24MB)
Lower TDP (35W vs 45W)
Intel Core Ultra 7 155HL 's Advantages
Released 2 years and 3 months late
Higher specification of memory (5600 vs 4800)
Larger memory bandwidth (89.6GB/s vs 76.8GB/s)
More modern manufacturing process (7nm vs 10nm)