AMD Ryzen Z1 Extreme 's Advantages
Integrated graphics card
Higher base frequency (3.3GHz vs 1.5GHz)
Larger L3 cache size (16MB vs 10MB)
Lower TDP (9W vs 15W)
Intel Core Ultra 5 115U 's Advantages
Released 7 months late
Higher specification of memory (LPDDR5X-7467 vs DDR5-5600)
Larger memory bandwidth (120GB/s vs 89.6GB/s)