Intel Haswell is a codename for the upcoming processors and processor microarchitecture, which should come to replace Sandy Bridge and Ivy Bridge. It is currently planned for the beginning of 2013 and the first Haswell processor should be manufactured using 22 nm process with Tri-Gate transistors. The new microarchitecture is expected to significantly improve the processor performance and power consumption, which will make Haswell processors well-suited for Ultrabooks – a new class of compact mobile devices. Intel will be offering special chip modifications for this particular application, which will combine a CPU, GPU, North and South Bridges in one single packaging.
New Haswell processors will have two or four x86-cores with new microarchitecture featuring new AVX2 instructions and supporting Hyper-Threading technology. New Denlow graphics core in the new processors will exist in three modifications with different performance and will support DirectX 11.1 and OpenGL 3.2.
The changes are expected to also touch upon the cache-memory architecture, which size will increase significantly: to 1 MB L2 per core and to 16 MB of shared L3 cache. The chips TDP will again be lowered and depending on the modification it will either fall into the 15-57 W range for mobile products or 35-95 W range for desktop processors.
Desktop Haswell platform will use new socket LGA 1150. The chipsets for upcoming processors will have native USB 3.0 and Thunderbolt support.
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