Intel Core i7-3960X (Sandy Bridge-E) And X79 Platform Preview

Tom's Hardware by Chris Angelini

It's always interesting to get hands-on time with unreleased hardware. We were recently able to benchmark Intel's upcoming Core i7-3960X CPU, comparing it to Core i7-990X, Core i7-2600K, and AMD's Phenom II X6. Will you be in line for Sandy Bridge-E?

There was a lot to like about Intel’s Sandy Bridge launch earlier this year. Single-threaded performance increased significantly at any given frequency. Quick Sync demonstrated commanding dominance over GPU-based transcoding from AMD and Nvidia. And, although I wasn’t over-enthused about paying extra for a K-series SKU, a mature 32 nm process easily facilitated clock rates approaching 5 GHz on air cooling.

Combined, all of those attributes took the spotlight off of Intel’s old (but still flagship) LGA 1366 interface. Even the subsequent Core i7-990X refresh, which threw six cores and a higher clock rate into the ring, wasn’t able to outperform the Core i7-2600K in enough test scenarios to warrant its $1000 price tag. The very fastest (and most expensive) Sandy Bridge-based chip could satisfy 95% of enthusiasts at less than half of the cost.

The Gulftown design’s real redeeming quality was its core count advantage, which shone most brightly in well-threaded workstation apps. But really, that was pretty much it. We even went to great lengths to show the X58’s 36 lanes of PCI Express 2.0 weren’t a real advantage over Sandy Bridge’s 16 lanes in multi-GPU configurations through an exhaustive three-part series.

At the end of the day, we had to scratch our heads and wonder how many folks would be willing to spend almost $700 more on Core i7-990X when Core i7-2600K was already so fast, and priced at $315.

But what if it was possible to cram what originally made Gulftown sexy into the Sandy Bridge mold? That’s exactly the premise behind Sandy Bridge-E, set to become the next enthusiast-oriented platform, replacing Gulftown and its LGA 1366 infrastructure. read more...


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