AMD Ryzen Z1 Extreme 's Advantages
Better graphics card performance
Lower TDP (9W vs 23W)
Qualcomm Snapdragon X Plus 's Advantages
Released 11 months late
Higher specification of memory (LPDDR5X-8448 vs DDR5-5600)
Larger memory bandwidth (135GB/s vs 89.6GB/s)
Newer PCIe version (4.0 vs 4)
Higher base frequency (3.4GHz vs 3.3GHz)
Larger L3 cache size (42MB vs 16MB)