Intel Core i7 9850H 's Advantages
Higher specification of memory (DDR4-2666 vs DDR4-2400)
Larger memory bandwidth (41.8GB/s vs 37.5GB/s)
Newer PCIe version (3.0 vs 2.0)
Higher base frequency (2.6GHz vs 1.9GHz)
Larger L3 cache size (12MB vs 2MB)
Intel Celeron 5205U 's Advantages
Released 6 months late
Lower TDP (15W vs 45W)