Suarez™ Posted June 7, 2016 Posted June 7, 2016 Intel announced a new lineup of Broadwell-based, high-end Xeons today, the Broadwell-EX E7 v4 family. These new server processors offer up to 24 cores, 60MB of L3 cache, support for new RAS features, 3D XPoint (when available), and support for 3DS LRDIMMs. 3DS DIMMs used stacked DRAM to offer increased density in much the same way that 3D NAND flash improves density compared with conventional 2D planar NAND. Actual clock rate performance improvements, however, are pretty limited. There may be some specific SKUs where Intel modestly bumped clock rates, but they aren’t the focus of this launch. The chart above shows how the top-end 18-core and 10-core parts compare with each other across both families. While the E7 v4 Xeon includes support for up to 24 cores, we wanted to compare against the Haswell-based E7 v3 family to make an apples-to-apples determination. At the 10-core mark, the Broadwell-EX is clocked identically to its Haswell predecessor, but offers 15MB more cache, double the memory (thanks to the use of 3DS DIMMs), and the additional RAS features mentioned above. The 18-core variant is also extremely similar to the Haswell-EX core, though there’s one significant difference — the newer 18-core chip is just 65% the price of the old one. While $4,672 isn’t exactly cheap for a processor, these are chips aimed at big iron production rather than the average consumer.
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