Ivy Bridge is the 22nm die version of the Sandy Bridge architecture that is slated for launch in the second half of 2011. Intel estimates that this LGA-1155 socket processor will have a 20% performance advantage over Sandy Bridge. Ivy Bridge is only speculated to have two and four cores with Hyper Threading though it is likely to have support for PCI Express 3.0.
The combination of PCI Express 3.0 with DirectX 11 and OpenCL 1.1 will boost a targeted 30 percent increase over Sandy Bridge. Ivy Bridge will also add support for three independent displays and will support HDMI 1.4. The Panther Point chipset will have support for USB 3.0.
Intel Processor Road Map
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