Intel Pentium G4620 's Advantages
Better graphics card performance
Newer PCIe version (3.0 vs 2.0)
Higher base frequency (3.7GHz vs 2.0GHz)
Intel Celeron J4125 's Advantages
Released 2 years and 10 months late
Higher specification of memory (2400 vs 2400)
Larger memory bandwidth (38.4GB/s vs 35.76GB/s)
Lower TDP (10W vs 51W)