difference Among config cpu Explain below - UFIXERS Community

difference Among config cpu Explain below

MROKTA

hi dear friends.
Please difference Among config cpu Explain below

MediaTEK(48,00,1)
MediaTEK(generic)
difference?

Qualcomm(generic)
Qualcomm1(00,00,0)
Qualcomm2(38,00,1)
difference?
thanks