Intel 45NM - Phenom II X4 925 AM3 2.8GHZ 8MB 95W 4000MHZ Pib User Manual

FEATURES and BENEFITSCUSTOMER 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 signicantly 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 efciency 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 efciency
• 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 efciency 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 efcient
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 signicantly 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 efcient 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 efciency
and potentially minimize cooling challenges.
Could you benet 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 efcient 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.

Intel 45NM - Phenom II X4 925 AM3 2.8GHZ 8MB 95W 4000MHZ Pib Specifications

General

CPU Socket Type	AM3
Operating Frequency	2.8 GHz
Power Consumption	95W
Process Technology	45 nm
System Bus Speed	4000 MHz
Product Line	Phenom II
Model	925
L2 Cache	4 x 512 KB