Intel Core i3 1210U 's Advantages
Integrated graphics card
Lower TDP (9W vs 28W)
AMD Ryzen 7 PRO 8840U 's Advantages
Released 2 years and 2 months late
Higher specification of memory (5600 vs 5200)
Newer PCIe version (4 vs 4.0)
Higher base frequency (3.3GHz vs 1.0GHz)
Larger L3 cache size (16MB vs 10MB)
More modern manufacturing process (4nm vs 10nm)