Heaps. I'd say bang for buck, probably not worth it. Pure quality no questions as to cost, well worth it.
under $700 delivered to me HPC coated, perhaps a little noisier but I got boost at the same time as fitting it unfortunately for comparisons however my top end just sings now where it was a little choked.
under bonet temps are lower that's probably the HPC it's a $150 option.