FEATURES and BENEFITS
CUSTOMER QUALIFYING QUESTIONS
Quad-Core Intel® Xeon® Processor 5400 Series
45nm Reference Guide
45NM QUAD-CORE
INTEL® XEON® 5400
SERIES PROCESSORS:
Featuring the Revolutionary 45nm
enhanced Intel® Core™ microarchitecture
45nm technology is expected to fuel ongo-
ing performance advantages for years to
come. It significantly increases transistor
density over previous-generation Intel
65nm technology.
45nm Intel Xeon processor 5400 series:
820 million transistors
Previous-generation Intel® Xeon®
processor 5300 series:
582 million
transistors
More transistors means more capability,
performance and energy efficiency from
enhancements that include expanded pow-
er management capabilities, enhancements
designed to reduce virtualization overhead
and 47 new Intel® SSE4 instructions which
can help improve the performance of
media and HPC applications.
Continued industry leadership in
performance per watt
• Up to 25% better performance than the
previous-generation Quad-Core Intel®
Xeon® processor
1
• Up to 2x better performance than a
Dual-Core Intel® Xeon® processor
2
Superior energy efficiency
• Up to 38% improvement in performance
per watt vs. previous-generation
quad-core
3
• 3 GHz quad-core at 80W
Multi-core Processing
• 45nm technology boosts performance on a wide range of workloads
• Increased headroom for multi-threaded applications and heavy multitasking scenarios
• Helps boost system utilization through virtualization and application responsiveness
• 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
• 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
9
• Reduced idle processor power lowers average server power consumption
Large 12 MB of on-die L2 Cache (2 x 6 MB)
• Increases efficiency 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
10
(Intel® VT)
Suite of processor enhancements assists virtualization software to deliver more efficient
virtualization solutions and greater capabilities, including 64-bit guest OS support.
Intel® I/O Acceleration Technology (Intel® I/OAT) with Next-Generation Improvements
Next-generation improvements designed to significantly accelerate data processing across the
entire platform through CPU utilization and latency improvements.
Enhanced Front-Side Bus (FSB)
• New dedicated high-speed bus design enables increased throughput and bandwidth be
-
tween each of the processors and the chipset.
• Supports blazing-fast FSB speeds up to 1666 MHz
Intel® 64 Architecture
11
• Flexibility for 64-bit and 32-bit applications and operating systems
How efficient are your current servers?
The Quad-Core Intel® Xeon® processor 5400 series features exclusive
Intel 45nm processor technology—freeing you to pack more perfor-
mance into less space, multiply your server platform energy efficiency
and potentially minimize cooling challenges.
Could you benefit from greater server responsiveness?
Features like a blazing-fast 1600 MHz front side bus, 12 MB Level 2
Cache, and a host of other innovations combine to enable exceptional
performance and superior responsiveness for a broad range of
computing needs and software environments.
Are you evaluating virtualization?
A suite of processor enhancements found on the Quad-Core Intel®
Xeon® processor 5400 series assist virtualization software to deliver
more efficient virtualization solutions and greater capabilities including
64-bit guest OS support.
How important is reliability and investment protection?
With nearly 40 million Intel processor-based servers deployed since
1996, plus a 30-year track record of delivering enterprise-class
performance, Intel products deliver superior quality and reliability for
business customers of all sizes.
