Intel Pentium Gold 6405U 's Advantages
Integrated graphics card
Lower TDP (15W vs 28W)
AMD Ryzen 7 PRO 8840HS 's Advantages
Released 4 years and 6 months late
Higher specification of memory (DDR5-5600 vs DDR4-2400)
Newer PCIe version (4 vs 2.0)
Higher base frequency (3.3GHz vs 2.4GHz)
Larger L3 cache size (16MB vs 2MB)