Is
Intel BX80662G4400 Pentium Processor G4400 3.3 GHz FCLGA1151
better choice of a CPU than
Celeron G3900 2.80Ghz 2M LGA1151 2C/2T Skylake ?
The Pentium has a higher performance, but the Celeron is $20 cheaper, and for a mining rig the Celeron will be just fine. Might as well save the money.