There is a batch of early engineering sample dual-core Ivy Bridge processors, they are clocked low but that doesn't stop news from spreading arround in terms of performance. New results have been posted on the Cooler forum based on an engineering sample Ivy Bridge dual-core CPU with both an Nvidia GeForce GTX 580 and with an AMD Radeon HD 6990 in 3DMark Vantage.
The processor benchmarked is the same one that was used in a previous comparison against Sandy Bridge (link here) and it has a stock clock of 1.8GHz, 4MB of Level 3 cache and it supports Intel's Hyper-Threading technology.
Judging by the results obtained in the benchmark, the Ivy Bridge chip seems to be a bottleneck for both of the graphics cards, but being an engineering sample these kinds of results are to be expected.
The final version of Ivy Bridge will most definitely receive a series of tweaks and performance improvements before it reaches retail in March or April of 2012.
Ivy Bridge is the code name used for the 22nm die shrink of the current Sandy Bridge architecture and features basically the same design, but with a few minor tweaks and improvements.
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