Haswell Crystal Well has L4 cache for iGPU
Core i7 exclusive
Intel GT3 5200, 5100, 5000, 4600 explained
GT3 with or without cache, GT2
Intel’s top Ultrabook GPU is HD 5100
GT3 based
Haswell with GT3 graphics comes in Q3 13
A quarter after GT2
Haswell GT2 and GT3 chips based on different silicon
It is not GT3 with units disabled