What's up with Intel going back to dual channel memory?
I've read at least 5 Sandy Bridge reviews, and none of them touch on why triple channel memory is no longer offered/needed. One review did talk about improvements with pre-fetch, which makes it sound like Sandy Bridge just doesn't need as much bandwidth as Nehalem. Is that right?
I think Nehalem using triple channel has 25% more memory bandwidth than SB, but seems hard to believe pre-fetch improvements alone could lead to SB using 25% less bandwidth.
Intel Core i7 920 Nehalem Quad @ 4.0GHz
EVGA GTX 660 SLI @ 1046MHz
OCZ Platinum CL7 6GB
EVGA Intel X58
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