Intel Celeron 5205U 's Advantages
Integrated graphics card
Intel Core 7 250U 's Advantages
Released 5 years late
Higher specification of memory (5200 vs 2400)
Larger memory bandwidth (83.2GB/s vs 37.5GB/s)
Newer PCIe version (4 vs 2.0)
Larger L3 cache size (12MB vs 2MB)
More modern manufacturing process (10nm vs 14nm)