Intel Celeron G6900's Advantages
Released 4 years and 1 months late
Better graphics card performance
Higher specification of memory (DDR5-4800 vs DDR4-2400)
Larger memory bandwidth (76.8GB/s vs 35.76GB/s)
Newer PCIe version (5.0 vs 2.0)
Higher base frequency (3.4GHz vs 2.0GHz)
More modern manufacturing process (10nm vs 14nm)
Intel Celeron J4005's Advantages
Lower TDP (10W vs 46W)