Intel Core i5 1230U 's Advantages
Integrated graphics card
Larger L3 cache size (12MB vs 10MB)
Lower TDP (9W vs 15W)
Intel Core Ultra 5 115U 's Advantages
Released 1 years and 10 months late
Higher specification of memory (LPDDR5X-7467 vs LPDDR5-5200)
Larger memory bandwidth (120GB/s vs 76.8GB/s)
Newer PCIe version (4 vs 4.0)
Higher base frequency (1.5GHz vs 1.0GHz)
More modern manufacturing process (7nm vs 10nm)