Intel Celeron N4500 Advantages
Larger memory bandwidth (45.8GB/s vs 38.4GB/s)
Higher base frequency (1.1GHz vs 0.1GHz)
Intel Processor N250 Advantages
Released 4 years late
Better graphics card performance
Higher specification of memory (4800 vs 2933)
Newer PCIe version (3 vs 3.0)
Larger L3 cache size (6MB vs 4MB)