Intel Core i7 1250U 's Advantages
Integrated graphics card
Higher specification of memory (LPDDR5-5200 vs DDR5-5600)
Lower TDP (9W vs 28W)
AMD Ryzen 7 PRO 8840U 's Advantages
Released 2 years and 2 months late
Newer PCIe version (4 vs 4.0)
Higher base frequency (3.3GHz vs 1.1GHz)
Larger L3 cache size (16MB vs 12MB)