Intel Core i5 8279U 's Advantages
Higher base frequency (2.4GHz vs 1.1GHz)
Intel Celeron 7305 's Advantages
Released 2 years and 8 months late
Higher specification of memory (5200 vs 2400)
Larger memory bandwidth (76.8GB/s vs 37.5GB/s)
Newer PCIe version (4.0 vs 3.0)
Larger L3 cache size (8MB vs 6MB)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (15W vs 28W)