Intel has officially unveiled its multi-core processor roadmap, which includes code-name Intel Nehalem, Intel Tukwila, and Intel Dunnington. Nehalem is Intel’s dynamically scalable and innovative new processor microarchitecture, which scalable with future versions having 2 to 8 cores, features with Simultaneous Multi-threading, resulting in 4 to 16 thread capability. With up to 8 MB level-3 cache, 731 million transistors, Quickpath interconnects (up to 25.6GB per second), integrated memory controller and optional integrated graphics, which will deliver 4 times the memory bandwidth compared to today’s highest-performance Intel Xeon processor-based systems. Other features include support for DDR3-800, 1066, and 1333 memory, SSE4.2 instructions, 32KB instruction cache, 32KB Data Cache, 256K L2 data and instruction low-latency cache per core and new 2-level TLB (Translation Lookaside Buffer) hierarchy. These technical improvements will result in performance improvements as well as flexibility for a wide range of eventual products based on the Nehalem architecture. Nehalem will eventually scale from notebooks to high-performance servers.
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