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Features Benets
Multi-core Processing
• 45nm technology boosts performance on a range of workloads.
• Increased headroom for multi-threaded applications and heavy
multi-tasking scenarios.
• Helps boost system utilization through virtualization
1
and application
responsiveness.
• Quad-core performance and cost/virtual machines.
• Platform-compatible with other Quad-Core and Dual-Core Intel® Xeon®
processors for ease of migration and IT stability.
Enhanced Intel® Core™
Microarchitecture
• Boosts performance on multiple applications/user environments
and data-demanding workloads, while enabling denser data center
deployments through improved performance per watt.
• The new 45nm Enhanced Intel Core microarchitecture delivers
up to 38% more performance per watt in the same platforms and
at the same system power level.
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• Reduced idle processor power, lowers average server power consumption
Large 12 MB of on-die L2 Cache
(2 x 6MB)
• Increases efciency of L2 Cache-to-core data transfers, maximizing
main memory to processor bandwidth.
• Reduces latency by storing larger data sets closer to the processor,
reducing the number of trips to main memory.
• Up to 6 MB of L2 Cache can be allocated to one core.
Intel® Virtualization Technology
1
• A suite of processor enhancements that assists virtualization software
to deliver more efcient virtualization solutions and greater capabilities
including 64-bit guest OS support.
• Intel® VT FlexPriority, a new Intel® VT extension that optimizes virtualization
software efciency by improving interrupt handling.
2
• Intel® VT FlexMigration enables Intel Xeon processor 5400 and 5200
series-based systems to be added to the existing virtualization pool with
single, 2, or 4+ socket Intel Core microarchitecture-based servers.
Enhanced Front-Side Bus
• New dedicated high-speed bus design enables increased throughput
and bandwidth between each of the processors and the chipset.
• Supporting up to 1600 MHz depending on chipset.
Intel® 64 Architecture
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• Flexibility for 64-bit and 32-bit applications and operating systems.
Quad-Core Intel Xeon Processor
5400 Series Overview
Two-processor technical compute servers, standard high-volume servers, entry-level business servers,
and workstations based on the Quad-Core Intel Xeon processor 5400 series maximize performance and
efciency with reliability and versatility.
(236 pages)
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