Intel Celeron J4005 Advantages
Integrated graphics card
Higher base frequency (2.0GHz vs 1.5GHz)
Lower TDP (10W vs 35W)
Intel Core i5 14400T Advantages
Released 6 years and 1 months late
Higher specification of memory (4800 vs 2400)
Larger memory bandwidth (76.8GB/s vs 35.76GB/s)
Newer PCIe version (5 vs 2.0)
More modern manufacturing process (10nm vs 14nm)